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PROX

PROX

PROX

Prox Pistons, Gaskets, and Engine Components at JJ Motorsports

Prox, established in the late 1970s, is a respected brand in the powersports industry, specializing in high-performance aftermarket parts for motorcycles, ATVs, and off-road vehicles. With a focus on quality and innovation, Prox offers OEM-style replacements that deliver exceptional reliability and performance for both recreational riders and professionals.

At JJ Motorsports, we provide a comprehensive selection of Prox products, including complete gasket kits, top-end gasket sets, piston kits, connecting rod kits, crankshaft bearing/seal kits, and more. Whether you're rebuilding an engine or upgrading for better durability, Prox delivers precise-fit solutions compatible with major brands like Honda, Kawasaki, Suzuki, and KTM. Explore our inventory to find the ideal parts for your vehicle.

Key features of Prox products include precision engineering to OEM specifications, use of high-silicon-content aluminum alloys for pistons, double-forged construction for strength, and complete kits for easy installation. Shop now and enhance your powersports performance with Prox!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • On Sale
    PROX Rebuild Kit - Master Cylinder - Front 37.910022

    PROX Rebuild Kit - Master Cylinder - Front 37.910022

    PROX

    MSRP: $24.95
    Now: $21.00
    Was: $24.95
    A compromised brake master cylinder directly impacts your vehicle's stopping power and safety—and rebuilding is far more cost-effective than replacement. This PROX rebuild kit supplies all OEM-grade...
    06170380
    SKU:
    06170380
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    TYPE:
    FRONT
    TYPE:
    MASTER CYLINDER
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    BLACK
    UNITS:
    KIT
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    REBUILD KIT
    MSRP: $24.95
    Now: $21.00
    Was: $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $24.95
    Now: $21.00
    Was: $24.95
    Subtotal:
  • On Sale
    PROX Rebuild Kit - Master Cylinder - Front 37.910026

    PROX Rebuild Kit - Master Cylinder - Front 37.910026

    PROX

    MSRP: $24.95
    Now: $21.00
    Was: $24.95
    A worn or compromised brake master cylinder directly impacts your stopping power and safety—whether you're on the track or the street. The PROX Rebuild Kit (37.910026) gives you a cost-effective way...
    06170381
    SKU:
    06170381
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    BLACK
    TYPE:
    FRONT
    TYPE:
    MASTER CYLINDER
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $24.95
    Now: $21.00
    Was: $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $24.95
    Now: $21.00
    Was: $24.95
    Subtotal:
  • On Sale
    PROX Rebuild Kit - Master Cylinder - Front 37.910035

    PROX Rebuild Kit - Master Cylinder - Front 37.910035

    PROX

    MSRP: $30.95
    Now: $25.00
    Was: $30.95
    A degraded master cylinder compromises your entire braking system—spongy pedal feel, delayed response, and unsafe stopping power. The PROX Rebuild Kit (37.910035) restores your front master cylinder...
    06170382
    SKU:
    06170382
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    FRONT
    TYPE:
    MASTER CYLINDER
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    REBUILD KIT
    COLOR/FINISH:
    BLACK
    MSRP: $30.95
    Now: $25.00
    Was: $30.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $30.95
    Now: $25.00
    Was: $30.95
    Subtotal:
  • On Sale
    PROX Rebuild Kit - Master Cylinder - Rear 37.910030

    PROX Rebuild Kit - Master Cylinder - Rear 37.910030

    PROX

    MSRP: $40.95
    Now: $34.00
    Was: $40.95
    A worn or failing rear brake master cylinder compromises your entire braking system—introducing sponginess, inconsistent pedal feel, and potential safety issues. The PROX Rebuild Kit (37.910030)...
    06170383
    SKU:
    06170383
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    REAR
    UNITS:
    KIT
    TYPE:
    MASTER CYLINDER
    COLOR/FINISH:
    BLACK
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    REBUILD KIT
    MSRP: $40.95
    Now: $34.00
    Was: $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $40.95
    Now: $34.00
    Was: $40.95
    Subtotal:
  • On Sale
    PROX Rebuild Kit - Master Cylinder - Front 37.910024

    PROX Rebuild Kit - Master Cylinder - Front 37.910024

    PROX

    MSRP: $24.95
    Now: $21.00
    Was: $24.95
    A compromised master cylinder is a critical safety issue that demands immediate attention. This PROX rebuild kit gives you a cost-effective alternative to replacement, restoring your braking system...
    06170384
    SKU:
    06170384
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    COLOR/FINISH:
    BLACK
    UNITS:
    KIT
    PRODUCT NAME:
    REBUILD KIT
    BASE COLOR:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FRONT
    TYPE:
    MASTER CYLINDER
    MSRP: $24.95
    Now: $21.00
    Was: $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $24.95
    Now: $21.00
    Was: $24.95
    Subtotal:
  • On Sale
    PROX Rebuild Kit - Master Cylinder - Rear 37.910029

    PROX Rebuild Kit - Master Cylinder - Rear 37.910029

    PROX

    MSRP: $24.95
    Now: $21.00
    Was: $24.95
    A worn or degraded rear master cylinder compromises your entire braking system's responsiveness and safety. This PROX rebuild kit gives you a cost-effective alternative to full replacement, restoring...
    06170386
    SKU:
    06170386
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    REBUILD KIT
    COLOR/FINISH:
    BLACK
    TYPE:
    MASTER CYLINDER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    REAR
    UNITS:
    KIT
    MSRP: $24.95
    Now: $21.00
    Was: $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $24.95
    Now: $21.00
    Was: $24.95
    Subtotal:
  • On Sale
    PROX Repair Kit - Master Cylinder - Clutch 16.940001

    PROX Repair Kit - Master Cylinder - Clutch 16.940001

    PROX

    MSRP: $37.95
    Now: $30.00
    Was: $37.95
    A failing clutch master cylinder compromises your ability to engage and disengage smoothly, directly impacting both performance and safety on track or street. Rather than replacing the entire unit,...
    06170261
    SKU:
    06170261
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    UNITS:
    KIT
    TYPE:
    MASTER CYLINDER
    BASE FINISH:
    RAW
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    RAW
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    REBUILD KIT
    MSRP: $37.95
    Now: $30.00
    Was: $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $37.95
    Now: $30.00
    Was: $37.95
    Subtotal:
  • On Sale
    PROX Repair Kit - Master Cylinder - Clutch 16.940002

    PROX Repair Kit - Master Cylinder - Clutch 16.940002

    PROX

    MSRP: $55.95
    Now: $42.00
    Was: $55.95
    A worn or failing clutch master cylinder compromises your ability to engage gears smoothly and safely—whether you're on the track or the street. The PROX Repair Kit eliminates the need for expensive...
    06170262
    SKU:
    06170262
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    UNITS:
    KIT
    TYPE:
    MASTER CYLINDER
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    REBUILD KIT
    BASE FINISH:
    RAW
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    RAW
    MSRP: $55.95
    Now: $42.00
    Was: $55.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $55.95
    Now: $42.00
    Was: $55.95
    Subtotal:
  • On Sale
    PROX Repair Kit - Master Cylinder - Clutch 16.940003

    PROX Repair Kit - Master Cylinder - Clutch 16.940003

    PROX

    MSRP: $34.95
    Now: $30.00
    Was: $34.95
    A failing clutch master cylinder forces you to choose between a complete replacement or a proper rebuild—and rebuilding is the smarter play. This PROX repair kit gives you every seal, spring, and...
    06170263
    SKU:
    06170263
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    BASE FINISH:
    RAW
    COLOR/FINISH:
    BLACK
    UNITS:
    KIT
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    REBUILD KIT
    COLOR/FINISH:
    RAW
    TYPE:
    CLUTCH
    TYPE:
    MASTER CYLINDER
    RIDING STYLE:
    OFF-ROAD
    MSRP: $34.95
    Now: $30.00
    Was: $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $34.95
    Now: $30.00
    Was: $34.95
    Subtotal:
  • On Sale
    PROX Repair Kit - Master Cylinder - Clutch 16.940005

    PROX Repair Kit - Master Cylinder - Clutch 16.940005

    PROX

    MSRP: $34.95
    Now: $30.00
    Was: $34.95
    A worn or failing clutch master cylinder compromises your ability to engage and disengage your transmission smoothly, creating safety hazards and unpredictable shift quality. The PROX Repair Kit...
    06170265
    SKU:
    06170265
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE FINISH:
    RAW
    COLOR/FINISH:
    BLACK
    BASE COLOR:
    BLACK
    COLOR/FINISH:
    RAW
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    CLUTCH
    TYPE:
    MASTER CYLINDER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $34.95
    Now: $30.00
    Was: $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $34.95
    Now: $30.00
    Was: $34.95
    Subtotal:
  • On Sale
    PROX Fork Seal/Wiper Kit - 37 mm ID x 50 mm OD x 11 mm T 40.S375011

    PROX Fork Seal/Wiper Kit - 37 mm ID x 50 mm OD x 11 mm T 40.S375011

    PROX

    MSRP: $52.95
    Now: $42.00
    Was: $52.95
    Worn fork seals compromise suspension performance and accelerate component degradation—hydraulic fluid seeps past damaged seals, reducing damping consistency and inviting contamination into your...
    402375
    SKU:
    402375
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    INSIDE DIAMETER:
    37,00 MM (1,46')
    OUTSIDE DIAMETER:
    50,00 MM (1,97')
    PRODUCT NAME:
    FORK SEAL/WIPER
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    THICKNESS:
    11,00 MM (0,43')
    THICKNESS IMPERIAL:
    0.43'
    MSRP: $52.95
    Now: $42.00
    Was: $52.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $52.95
    Now: $42.00
    Was: $52.95
    Subtotal:
  • On Sale
    PROX Fork Seal/Wiper Kit - 45 mm ID x 55 mm OD x 11 mm T 40.S455711

    PROX Fork Seal/Wiper Kit - 45 mm ID x 55 mm OD x 11 mm T 40.S455711

    PROX

    MSRP: $52.95
    Now: $42.00
    Was: $52.95
    Worn fork seals compromise suspension performance and invite hydraulic fluid loss, degrading damping response and risking component damage. The PROX Fork Seal/Wiper Kit restores OEM-spec sealing...
    402455
    SKU:
    402455
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    THICKNESS:
    11,00 MM (0,43')
    INSIDE DIAMETER:
    45,00 MM (1,77')
    THICKNESS IMPERIAL:
    0.43'
    OUTSIDE DIAMETER:
    55,00 MM (2,17')
    PRODUCT NAME:
    FORK SEAL/WIPER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $52.95
    Now: $42.00
    Was: $52.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $52.95
    Now: $42.00
    Was: $52.95
    Subtotal:
  • On Sale
    PROX Fork Seal/Wiper Kit - 47 mm ID x 58 mm OD x 10 mm T 40.S475810

    PROX Fork Seal/Wiper Kit - 47 mm ID x 58 mm OD x 10 mm T 40.S475810

    PROX

    MSRP: $62.95
    Now: $51.00
    Was: $62.95
    Fork seals deteriorate with every ride, allowing oil to weep onto your brakes and reducing suspension responsiveness. A quality seal replacement restores hydraulic integrity and prevents costly...
    402475
    SKU:
    402475
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    INSIDE DIAMETER:
    47,00 MM (1,85')
    PRODUCT NAME:
    FORK SEAL/WIPER
    THICKNESS:
    10,00 MM (0,39')
    THICKNESS IMPERIAL:
    0.39'
    UNITS:
    KIT
    OUTSIDE DIAMETER:
    58,00 MM (2,28')
    RIDING STYLE:
    OFF-ROAD
    MSRP: $62.95
    Now: $51.00
    Was: $62.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $62.95
    Now: $51.00
    Was: $62.95
    Subtotal:
  • On Sale
    PROX Fork Seal/Wiper Kit 40.S496011

    PROX Fork Seal/Wiper Kit 40.S496011

    PROX

    MSRP: $67.95
    Now: $55.00
    Was: $67.95
    Fork seals and wipers are critical wear items that directly impact suspension performance and fork longevity. Degraded seals allow oil leakage and contamination, leading to poor damping, reduced...
    402495
    SKU:
    402495
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    INSIDE DIAMETER:
    49,00 MM (1,93')
    RIDING STYLE:
    STREET
    THICKNESS IMPERIAL:
    -
    OUTSIDE DIAMETER:
    -
    UNITS:
    KIT
    PRODUCT NAME:
    FORK SEAL/WIPER
    RIDING STYLE:
    OFF-ROAD
    THICKNESS:
    -
    MSRP: $67.95
    Now: $55.00
    Was: $67.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $67.95
    Now: $55.00
    Was: $67.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Front - Honda 26.710004

    PROX Wheel Spacer Kit - Front - Honda 26.710004

    PROX

    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Front wheel spacers improve brake cooling and suspension geometry by increasing track width, delivering better weight distribution and handling response during high-performance driving. The PROX kit...
    02220324
    SKU:
    02220324
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    BLACK
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    ANODIZED
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Front - Honda 26.710007

    PROX Wheel Spacer Kit - Front - Honda 26.710007

    PROX

    MSRP: $14.95
    Now: $13.00
    Was: $14.95
    Proper wheel spacing is critical for optimizing suspension geometry, brake cooling, and overall handling precision—especially in competitive environments where millimeters matter. The PROX Front...
    02220326
    SKU:
    02220326
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    COLOR/FINISH:
    RAW
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    BASE FINISH:
    RAW
    MATERIAL:
    ALLOY STEEL
    BASE COLOR:
    SILVER
    PRODUCT NAME:
    WHEEL SPACER
    MSRP: $14.95
    Now: $13.00
    Was: $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $14.95
    Now: $13.00
    Was: $14.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Front - YZ80/85 26.710061

    PROX Wheel Spacer Kit - Front - YZ80/85 26.710061

    PROX

    MSRP: $29.95
    Now: $25.00
    Was: $29.95
    Wheel spacers are essential for achieving proper suspension geometry and brake clearance on your YZ80/85—this PROX kit delivers precision fitment without compromising durability. The dual-material...
    02220327
    SKU:
    02220327
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE FINISH:
    RAW
    COLOR/FINISH:
    RAW
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MOUNTING POSITION:
    FRONT
    BASE COLOR:
    SILVER
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    MSRP: $29.95
    Now: $25.00
    Was: $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.95
    Now: $25.00
    Was: $29.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Front - Yamaha 26.710069

    PROX Wheel Spacer Kit - Front - Yamaha 26.710069

    PROX

    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Wheel spacers are critical for achieving proper track geometry and brake clearance without compromising structural integrity. The PROX Front Wheel Spacer Kit combines lightweight alloy construction...
    02220328
    SKU:
    02220328
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    BLACK
    COLOR/FINISH:
    ANODIZED
    MOUNTING POSITION:
    FRONT
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    BLACK
    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Front - Yamaha 26.710070

    PROX Wheel Spacer Kit - Front - Yamaha 26.710070

    PROX

    MSRP: $22.95
    Now: $17.00
    Was: $22.95
    Wheel spacers are essential for correcting suspension geometry and maximizing tire contact patch during aggressive cornering. The PROX Front Wheel Spacer Kit delivers the lightweight benefits of...
    02220329
    SKU:
    02220329
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    UNITS:
    KIT
    BASE COLOR:
    BLACK
    COLOR/FINISH:
    ANODIZED
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    BASE FINISH:
    ANODIZED
    MSRP: $22.95
    Now: $17.00
    Was: $22.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $22.95
    Now: $17.00
    Was: $22.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Front - Yamaha 26.710100

    PROX Wheel Spacer Kit - Front - Yamaha 26.710100

    PROX

    MSRP: $25.95
    Now: $21.00
    Was: $25.95
    Wheel spacing directly impacts your Yamaha's handling geometry, brake cooling, and overall stance—and factory spacers wear over time, compromising precision. The PROX Front Wheel Spacer Kit replaces...
    02220330
    SKU:
    02220330
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    BLACK
    BASE COLOR:
    BLACK
    COLOR/FINISH:
    ANODIZED
    MOUNTING POSITION:
    FRONT
    MSRP: $25.95
    Now: $21.00
    Was: $25.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $25.95
    Now: $21.00
    Was: $25.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Front - KTM 85 SX 26.710083

    PROX Wheel Spacer Kit - Front - KTM 85 SX 26.710083

    PROX

    MSRP: $14.81
    Now: $13.00
    Was: $14.81
    Precision wheel spacing is critical for optimal suspension geometry and handling performance on the track or trail. The PROX Front Wheel Spacer Kit for KTM 85 SX delivers OEM-equivalent fitment with...
    02220333
    SKU:
    02220333
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    BLACK
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    ANODIZED
    MOUNTING POSITION:
    FRONT
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $14.81
    Now: $13.00
    Was: $14.81
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $14.81
    Now: $13.00
    Was: $14.81
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Front 26.710087

    PROX Wheel Spacer Kit - Front 26.710087

    PROX

    MSRP: $30.95
    Now: $25.00
    Was: $30.95
    Wheel spacers are essential for correcting suspension geometry and achieving proper tire clearance, especially after lowering or upgrading to wider wheel and tire packages. The PROX Front Wheel...
    02220336
    SKU:
    02220336
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    STREET
    BASE COLOR:
    BLACK
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    COLOR/FINISH:
    ANODIZED
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    BLACK
    UNITS:
    KIT
    MSRP: $30.95
    Now: $25.00
    Was: $30.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $30.95
    Now: $25.00
    Was: $30.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Front - KTM 26.710088

    PROX Wheel Spacer Kit - Front - KTM 26.710088

    PROX

    MSRP: $9.95
    Now: $8.00
    Was: $9.95
    Front wheel spacing directly impacts your KTM's handling geometry, track stability, and cornering grip—especially critical if you're running upgraded suspension or wider tires. The PROX front spacer...
    02220338
    SKU:
    02220338
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    BLACK
    COLOR/FINISH:
    ANODIZED
    MOUNTING POSITION:
    FRONT
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    MSRP: $9.95
    Now: $8.00
    Was: $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9.95
    Now: $8.00
    Was: $9.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Front 26.710029

    PROX Wheel Spacer Kit - Front 26.710029

    PROX

    MSRP: $14.95
    Now: $13.00
    Was: $14.95
    Wheel spacers are critical for achieving proper suspension geometry and brake clearance on modified or track-focused builds. The PROX 26.710029 delivers precision fitment with a hybrid construction...
    02220341
    SKU:
    02220341
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    SILVER
    COLOR/FINISH:
    RAW
    MOUNTING POSITION:
    FRONT
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BASE FINISH:
    RAW
    MSRP: $14.95
    Now: $13.00
    Was: $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $14.95
    Now: $13.00
    Was: $14.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Front - Suzuki 26.710058

    PROX Wheel Spacer Kit - Front - Suzuki 26.710058

    PROX

    MSRP: $42.76
    Now: $38.00
    Was: $42.76
    Precision wheel spacing is critical for maximizing tire contact patch and improving handling dynamics on track. This PROX kit delivers exact fitment while reducing unsprung weight—a direct path to...
    02220344
    SKU:
    02220344
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    ANODIZED
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BASE COLOR:
    BLACK
    BASE FINISH:
    ANODIZED
    MOUNTING POSITION:
    FRONT
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    MSRP: $42.76
    Now: $38.00
    Was: $42.76
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $42.76
    Now: $38.00
    Was: $42.76
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Front - Suzuki DR-Z 400 26.710057

    PROX Wheel Spacer Kit - Front - Suzuki DR-Z 400 26.710057

    PROX

    MSRP: $17.95
    Now: $13.00
    Was: $17.95
    Narrower track widths compromise handling and increase tire wear on your DR-Z 400, especially during aggressive cornering or technical terrain. The PROX Front Wheel Spacer Kit restores optimal...
    02220345
    SKU:
    02220345
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    BLACK
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    ANODIZED
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    MSRP: $17.95
    Now: $13.00
    Was: $17.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $17.95
    Now: $13.00
    Was: $17.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Rear - Honda 26.710014

    PROX Wheel Spacer Kit - Rear - Honda 26.710014

    PROX

    MSRP: $43.95
    Now: $38.00
    Was: $43.95
    Rear wheel spacing is critical for optimizing tire contact patch and improving handling dynamics, especially under cornering loads. The PROX Wheel Spacer Kit delivers precision fitment with a...
    02220348
    SKU:
    02220348
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    ANODIZED
    PRODUCT NAME:
    WHEEL SPACER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BASE COLOR:
    BLACK
    MATERIAL:
    ALLOY STEEL
    MOUNTING POSITION:
    REAR
    MSRP: $43.95
    Now: $38.00
    Was: $43.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $43.95
    Now: $38.00
    Was: $43.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Rear - Yamaha 26.710079

    PROX Wheel Spacer Kit - Rear - Yamaha 26.710079

    PROX

    MSRP: $39.95
    Now: $34.00
    Was: $39.95
    Rear wheel spacers are critical for dialing in your suspension geometry and preventing unwanted rubbing during aggressive cornering or track work. The PROX 26.710079 delivers a direct OEM replacement...
    02220351
    SKU:
    02220351
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    BASE COLOR:
    BLACK
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    ANODIZED
    MOUNTING POSITION:
    REAR
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $39.95
    Now: $34.00
    Was: $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $39.95
    Now: $34.00
    Was: $39.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Rear - Yamaha 26.710080

    PROX Wheel Spacer Kit - Rear - Yamaha 26.710080

    PROX

    MSRP: $39.95
    Now: $34.00
    Was: $39.95
    Wheel spacers are critical for achieving proper track geometry and brake clearance on high-performance Yamaha builds. The PROX Rear Spacer Kit combines lightweight alloy construction with a hardened...
    02220352
    SKU:
    02220352
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALLOY STEEL
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    PRODUCT NAME:
    WHEEL SPACER
    BASE COLOR:
    BLACK
    BASE FINISH:
    ANODIZED
    MOUNTING POSITION:
    REAR
    COLOR/FINISH:
    ANODIZED
    RIDING STYLE:
    OFF-ROAD
    MSRP: $39.95
    Now: $34.00
    Was: $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $39.95
    Now: $34.00
    Was: $39.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Rear - Kawasaki 26.710036

    PROX Wheel Spacer Kit - Rear - Kawasaki 26.710036

    PROX

    MSRP: $29.95
    Now: $25.00
    Was: $29.95
    Rear wheel spacing is critical for cornering stability and tire contact patch optimization on your Kawasaki—undersized or worn spacers compromise both handling and brake performance. The PROX Rear...
    02220356
    SKU:
    02220356
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    BLACK
    MATERIAL:
    ALLOY STEEL
    MOUNTING POSITION:
    REAR
    COLOR/FINISH:
    ANODIZED
    PRODUCT NAME:
    WHEEL SPACER
    RIDING STYLE:
    OFF-ROAD
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    BLACK
    UNITS:
    KIT
    MSRP: $29.95
    Now: $25.00
    Was: $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.95
    Now: $25.00
    Was: $29.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Rear - Kawasaki 26.710041

    PROX Wheel Spacer Kit - Rear - Kawasaki 26.710041

    PROX

    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Rear wheel spacing directly impacts your suspension geometry, handling response, and tire contact patch—all critical for competitive lap times and street performance. The PROX Rear Wheel Spacer Kit...
    02220357
    SKU:
    02220357
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    BLACK
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    ANODIZED
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    ALLOY STEEL
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    WHEEL SPACER
    COLOR/FINISH:
    BLACK
    UNITS:
    KIT
    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Rear 26.710042

    PROX Wheel Spacer Kit - Rear 26.710042

    PROX

    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Proper wheel spacing is critical for suspension geometry, brake clearance, and overall chassis dynamics—especially in performance driving where precision matters. The PROX Wheel Spacer Kit delivers...
    02220358
    SKU:
    02220358
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    MATERIAL:
    ALLOY STEEL
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    WHEEL SPACER
    BASE COLOR:
    BLACK
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    ANODIZED
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Rear - Suzuki 26.710048

    PROX Wheel Spacer Kit - Rear - Suzuki 26.710048

    PROX

    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Rear wheel spacing directly impacts your vehicle's handling geometry, tire contact patch, and overall stance. The PROX Wheel Spacer Kit delivers precise fitment with a hybrid construction that...
    02220359
    SKU:
    02220359
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    ANODIZED
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BASE COLOR:
    BLACK
    BASE FINISH:
    ANODIZED
    MOUNTING POSITION:
    REAR
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Rear - Suzuki RM125/250 26.710049

    PROX Wheel Spacer Kit - Rear - Suzuki RM125/250 26.710049

    PROX

    MSRP: $35.95
    Now: $30.00
    Was: $35.95
    Proper wheel spacing is critical for RM125/250 suspension geometry and handling performance, especially when running upgraded brake components or wider tires. The PROX Wheel Spacer Kit delivers...
    02220360
    SKU:
    02220360
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    BLACK
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    ANODIZED
    MOUNTING POSITION:
    REAR
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $35.95
    Now: $30.00
    Was: $35.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $35.95
    Now: $30.00
    Was: $35.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Rear - Suzuki 26.710051

    PROX Wheel Spacer Kit - Rear - Suzuki 26.710051

    PROX

    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Rear wheel spacing directly impacts your vehicle's handling geometry, brake cooling, and overall suspension performance—especially under sustained cornering loads. The PROX Wheel Spacer Kit delivers...
    02220361
    SKU:
    02220361
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    SILVER
    MOUNTING POSITION:
    REAR
    COLOR/FINISH:
    RAW
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BASE FINISH:
    RAW
    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $41.95
    Now: $34.00
    Was: $41.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Rear 26.710102

    PROX Wheel Spacer Kit - Rear 26.710102

    PROX

    MSRP: $30.95
    Now: $25.00
    Was: $30.95
    Rear wheel spacing is critical for handling balance, tire clearance, and brake cooling—and undersized or worn OEM spacers compromise all three. The PROX 26.710102 delivers proper fitment with...
    02220582
    SKU:
    02220582
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    BLACK
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    ANODIZED
    MATERIAL:
    ALLOY STEEL
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    WHEEL SPACER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    MSRP: $30.95
    Now: $25.00
    Was: $30.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $30.95
    Now: $25.00
    Was: $30.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Front 26.710103

    PROX Wheel Spacer Kit - Front 26.710103

    PROX

    MSRP: $35.95
    Now: $30.00
    Was: $35.95
    Proper wheel spacing is critical for maximizing tire contact patch, improving handling geometry, and preventing rubbing on suspension components—especially in aggressive track or modified setups. The...
    02220591
    SKU:
    02220591
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    BASE COLOR:
    BLACK
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    ANODIZED
    MOUNTING POSITION:
    FRONT
    MSRP: $35.95
    Now: $30.00
    Was: $35.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $35.95
    Now: $30.00
    Was: $35.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Front - Yamaha 26.710104

    PROX Wheel Spacer Kit - Front - Yamaha 26.710104

    PROX

    MSRP: $24.95
    Now: $21.00
    Was: $24.95
    Proper wheel spacing is critical for optimizing handling geometry, brake cooling, and tire performance under racing conditions. The PROX Front Wheel Spacer Kit delivers precision-engineered spacing...
    02220592
    SKU:
    02220592
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    BASE COLOR:
    BLACK
    MOUNTING POSITION:
    FRONT
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    ANODIZED
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $24.95
    Now: $21.00
    Was: $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $24.95
    Now: $21.00
    Was: $24.95
    Subtotal:
  • On Sale
    PROX Wheel Spacer Kit - Front 26.710105

    PROX Wheel Spacer Kit - Front 26.710105

    PROX

    MSRP: $39.95
    Now: $34.00
    Was: $39.95
    Proper wheel spacing is critical for maximizing tire contact patch, improving handling geometry, and preventing rubbing on suspension components—especially in track applications where precision...
    02220593
    SKU:
    02220593
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    COLOR/FINISH:
    ANODIZED
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    BLACK
    MATERIAL:
    ALLOY STEEL
    PRODUCT NAME:
    WHEEL SPACER
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    BLACK
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    MSRP: $39.95
    Now: $34.00
    Was: $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $39.95
    Now: $34.00
    Was: $39.95
    Subtotal:
  • On Sale
    PROX PRO-X Crank Seal Kit 42.2102

    PROX PRO-X Crank Seal Kit 42.2102

    PROX

    MSRP: $10.95
    Now: $8.00
    Was: $10.95
    A compromised crank seal allows oil seepage that degrades engine performance and can lead to catastrophic failure if left unaddressed. The PROX PRO-X Crank Seal Kit 42.2102 delivers OEM-quality seals...
    094280
    SKU:
    094280
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MSRP: $10.95
    Now: $8.00
    Was: $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10.95
    Now: $8.00
    Was: $10.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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