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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
  • PROX Cam Chain - 82RH2010 - 128 Links - Gas Gas | Kawasaki | Suzuki 31.3403

    PROX Cam Chain - 82RH2010 - 128 Links - Gas Gas | Kawasaki | Suzuki 31.3403

    PROX

    $84.95
    Cam Chain - 82RH2010 - 128 Links - Gas Gas | Kawasaki | Suzuki Manufactured in Japan by Borg Warner, Designed to OEM specifications, Strong M-type chain that has a special heat treated pin plus...
    09250388
    SKU:
    09250388
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    $84.95
    Qty in Cart: 0
    Quantity:
    Price:
    $84.95
    Subtotal:
  • PROX Piston - GP 760 Waverunner 01.2514.050

    PROX Piston - GP 760 Waverunner 01.2514.050

    PROX

    $129.95
    Piston for watercraft applications
    09102745
    SKU:
    09102745
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    BORE SIZE METRIC:
    84.50 MM
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    EACH
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    ALUMINUM
    RIDING STYLE:
    WATERCRAFT
    $129.95
    Qty in Cart: 0
    Quantity:
    Price:
    $129.95
    Subtotal:
  • PROX Piston - GP 760 Waverunner 01.2514.100

    PROX Piston - GP 760 Waverunner 01.2514.100

    PROX

    $129.95
    Piston for watercraft applications
    09102747
    SKU:
    09102747
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    WATERCRAFT
    PISTON MATERIAL:
    ALUMINUM
    ENGINE TYPE:
    2-STROKE
    UNITS:
    EACH
    BORE SIZE METRIC:
    85.00 MM
    $129.95
    Qty in Cart: 0
    Quantity:
    Price:
    $129.95
    Subtotal:
  • PROX Ring Set 02.1111

    PROX Ring Set 02.1111

    PROX

    $24.95
    Manufactured in Japan and designed as OEM replacements
    09120161
    SKU:
    09120161
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    SET
    PISTON MATERIAL:
    ALUMINUM ALLOY
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • PROX Piston Kit - KTM300EXC '17-'18 01.6387.B

    PROX Piston Kit - KTM300EXC '17-'18 01.6387.B

    PROX

    $189.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09106265
    SKU:
    09106265
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    $189.95
    Qty in Cart: 0
    Quantity:
    Price:
    $189.95
    Subtotal:
  • PROX Ring Set 02.1402

    PROX Ring Set 02.1402

    PROX

    $54.95
    Manufactured in Japan and designed as OEM replacements
    09120047
    SKU:
    09120047
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    UNITS:
    SET
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    OFF-ROAD
    $54.95
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • PROX Piston Kit 01.1408.150

    PROX Piston Kit 01.1408.150

    PROX

    $185.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09030820
    SKU:
    09030820
    Availability:
    Ships Same Business Day
    Weight:
    1.34 LBS
    PISTON SIZE METRIC:
    +1.50 MM
    BORE SIZE METRIC:
    90.50 MM
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    EACH
    PRODUCT NAME:
    PISTON KIT
    $185.95
    Qty in Cart: 0
    Quantity:
    Price:
    $185.95
    Subtotal:
  • PROX Valveshim - 10.00 x 2.60 - 5 pack 29.100260

    PROX Valveshim - 10.00 x 2.60 - 5 pack 29.100260

    PROX

    $9.95
    Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261005
    SKU:
    09261005
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    SHIM KIT
    TYPE:
    VALVE
    UNITS:
    5 PACK
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    VALVE SHIM THICKNESS METRIC:
    2.60 MM
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 2.65 - 5 pack 29.100265

    PROX Valveshim - 10.00 x 2.65 - 5 pack 29.100265

    PROX

    $9.95
    Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261006
    SKU:
    09261006
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    TYPE:
    VALVE
    PRODUCT NAME:
    SHIM KIT
    UNITS:
    5 PACK
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    VALVE SHIM THICKNESS METRIC:
    2.65 MM
    RIDING STYLE:
    OFF-ROAD
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 2.70 - 5 pack 29.100270

    PROX Valveshim - 10.00 x 2.70 - 5 pack 29.100270

    PROX

    $9.95
    Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261007
    SKU:
    09261007
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    TYPE:
    VALVE
    VALVE SHIM THICKNESS METRIC:
    2.70 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SHIM KIT
    UNITS:
    5 PACK
    RIDING STYLE:
    OFF-ROAD
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 2.75 - 5 pack 29.100275

    PROX Valveshim - 10.00 x 2.75 - 5 pack 29.100275

    PROX

    $9.95
    Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261008
    SKU:
    09261008
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    TYPE:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    VALVE SHIM THICKNESS METRIC:
    2.75 MM
    PRODUCT NAME:
    SHIM KIT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 2.80 - 5 pack 29.100280

    PROX Valveshim - 10.00 x 2.80 - 5 pack 29.100280

    PROX

    $9.95
    Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261009
    SKU:
    09261009
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    TYPE:
    VALVE
    VALVE SHIM THICKNESS METRIC:
    2.80 MM
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    SHIM KIT
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 2.85 - 5 pack 29.100285

    PROX Valveshim - 10.00 x 2.85 - 5 pack 29.100285

    PROX

    $9.95
    Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261010
    SKU:
    09261010
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    VALVE SHIM THICKNESS METRIC:
    2.85 MM
    PRODUCT NAME:
    SHIM KIT
    TYPE:
    VALVE
    UNITS:
    5 PACK
    RIDING STYLE:
    OFF-ROAD
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 2.90 - 5 pack 29.100290

    PROX Valveshim - 10.00 x 2.90 - 5 pack 29.100290

    PROX

    $9.95
    Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261011
    SKU:
    09261011
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    PRODUCT NAME:
    SHIM KIT
    TYPE:
    VALVE
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    2.90 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    RIDING STYLE:
    OFF-ROAD
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 2.95 - 5 pack 29.100295

    PROX Valveshim - 10.00 x 2.95 - 5 pack 29.100295

    PROX

    $9.95
    Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261012
    SKU:
    09261012
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    PRODUCT NAME:
    SHIM KIT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    RIDING STYLE:
    OFF-ROAD
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    TYPE:
    VALVE
    VALVE SHIM THICKNESS METRIC:
    2.95 MM
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 3.00 - 5 pack 29.100300

    PROX Valveshim - 10.00 x 3.00 - 5 pack 29.100300

    PROX

    $9.95
    Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261013
    SKU:
    09261013
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    PRODUCT NAME:
    SHIM KIT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    3.00 MM
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    TYPE:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 3.05 - 5 pack 29.100305

    PROX Valveshim - 10.00 x 3.05 - 5 pack 29.100305

    PROX

    $9.95
    Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261014
    SKU:
    09261014
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    PRODUCT NAME:
    SHIM KIT
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    3.05 MM
    RIDING STYLE:
    OFF-ROAD
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TYPE:
    VALVE
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 3.20 - 5 pack 29.100320

    PROX Valveshim - 10.00 x 3.20 - 5 pack 29.100320

    PROX

    $9.95
    Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261017
    SKU:
    09261017
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    VALVE SHIM THICKNESS METRIC:
    3.20 MM
    PRODUCT NAME:
    SHIM KIT
    UNITS:
    5 PACK
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    TYPE:
    VALVE
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SIS1405-2

    PROX Valve and Spring Kit 28.SIS1405-2

    PROX

    $139.95
    Replaces the OEM valves and valve springs, Steel, nitrided valves for increased durability and less wear under extreme conditions, Stronger valve springs deal with the extra weight of the steel...
    09261021
    SKU:
    09261021
    Availability:
    Ships Same Business Day
    Weight:
    0.34 LBS
    APPLICATION:
    INTAKE
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SPRING KIT
    TYPE:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SES2424-1

    PROX Valve and Spring Kit 28.SES2424-1

    PROX

    $139.95
    Replaces the OEM valves and valve springs, Steel, nitrided valves for increased durability and less wear under extreme conditions, Stronger valve springs deal with the extra weight of the steel...
    09261025
    SKU:
    09261025
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    TYPE:
    VALVE
    PRODUCT NAME:
    SPRING KIT
    APPLICATION:
    EXHAUST
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SIS4406-2

    PROX Valve and Spring Kit 28.SIS4406-2

    PROX

    $159.95
    Replaces the OEM valves and valve springs, Steel, nitrided valves for increased durability and less wear under extreme conditions, Stronger valve springs deal with the extra weight of the steel...
    09261031
    SKU:
    09261031
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    SPRING KIT
    TYPE:
    VALVE
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SES4406-1

    PROX Valve and Spring Kit 28.SES4406-1

    PROX

    $159.95
    Replaces the OEM valves and valve springs, Steel, nitrided valves for increased durability and less wear under extreme conditions, Stronger valve springs deal with the extra weight of the steel...
    09261032
    SKU:
    09261032
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MATERIAL:
    STEEL
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SPRING KIT
    TYPE:
    VALVE
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SIS4409-2

    PROX Valve and Spring Kit 28.SIS4409-2

    PROX

    $159.95
    Replaces the OEM valves and valve springs, Steel, nitrided valves for increased durability and less wear under extreme conditions, Stronger valve springs deal with the extra weight of the steel...
    09261033
    SKU:
    09261033
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    UNITS:
    KIT
    APPLICATION:
    INTAKE
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    SPRING KIT
    TYPE:
    VALVE
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SES4409-1

    PROX Valve and Spring Kit 28.SES4409-1

    PROX

    $159.95
    Replaces the OEM valves and valve springs, Steel, nitrided valves for increased durability and less wear under extreme conditions, Stronger valve springs deal with the extra weight of the steel...
    09261034
    SKU:
    09261034
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SPRING KIT
    TYPE:
    VALVE
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SIS3405-2

    PROX Valve and Spring Kit 28.SIS3405-2

    PROX

    $139.95
    Replaces the OEM valves and valve springs, Steel, nitrided valves for increased durability and less wear under extreme conditions, Stronger valve springs deal with the extra weight of the steel...
    09261035
    SKU:
    09261035
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    VALVE
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    SPRING KIT
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SES3405-1

    PROX Valve and Spring Kit 28.SES3405-1

    PROX

    $139.95
    Replaces the OEM valves and valve springs, Steel, nitrided valves for increased durability and less wear under extreme conditions, Stronger valve springs deal with the extra weight of the steel...
    09261036
    SKU:
    09261036
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    APPLICATION:
    EXHAUST
    TYPE:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SPRING KIT
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SIS3407-2

    PROX Valve and Spring Kit 28.SIS3407-2

    PROX

    $139.95
    Replaces the OEM valves and valve springs, Steel, nitrided valves for increased durability and less wear under extreme conditions, Stronger valve springs deal with the extra weight of the steel...
    09261037
    SKU:
    09261037
    Availability:
    Ships Same Business Day
    Weight:
    0.32 LBS
    PRODUCT NAME:
    SPRING KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    VALVE
    APPLICATION:
    INTAKE
    MATERIAL:
    STEEL
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SES3407-1

    PROX Valve and Spring Kit 28.SES3407-1

    PROX

    $139.95
    Replaces the OEM valves and valve springs, Steel, nitrided valves for increased durability and less wear under extreme conditions, Stronger valve springs deal with the extra weight of the steel...
    09261038
    SKU:
    09261038
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    APPLICATION:
    EXHAUST
    TYPE:
    VALVE
    PRODUCT NAME:
    SPRING KIT
    UNITS:
    KIT
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SIS3408-2

    PROX Valve and Spring Kit 28.SIS3408-2

    PROX

    $139.95
    Replaces the OEM valves and valve springs, Steel, nitrided valves for increased durability and less wear under extreme conditions, Stronger valve springs deal with the extra weight of the steel...
    09261039
    SKU:
    09261039
    Availability:
    Ships Same Business Day
    Weight:
    0.32 LBS
    PRODUCT NAME:
    SPRING KIT
    TYPE:
    VALVE
    APPLICATION:
    INTAKE
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PROX Exhaust Valve 28.1070-1

    PROX Exhaust Valve 28.1070-1

    PROX

    $24.95
    Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260664
    SKU:
    09260664
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    APPLICATION:
    EXHAUST
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • PROX Intake Valve 28.1070-2

    PROX Intake Valve 28.1070-2

    PROX

    $14.95
    Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260665
    SKU:
    09260665
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    INTAKE
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • PROX Exhaust Valve 28.1226-1

    PROX Exhaust Valve 28.1226-1

    PROX

    $29.95
    Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260666
    SKU:
    09260666
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    APPLICATION:
    EXHAUST
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • PROX Intake Valve 28.1226-2

    PROX Intake Valve 28.1226-2

    PROX

    $19.95
    Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260667
    SKU:
    09260667
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    VALVE
    APPLICATION:
    INTAKE
    UNITS:
    EACH
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • PROX Intake Valve 28.1227-2

    PROX Intake Valve 28.1227-2

    PROX

    $19.95
    Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260669
    SKU:
    09260669
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    APPLICATION:
    INTAKE
    UNITS:
    EACH
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • PROX Exhaust Valve 28.1323-1

    PROX Exhaust Valve 28.1323-1

    PROX

    $29.95
    Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260670
    SKU:
    09260670
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • PROX Intake Valve 28.1323-2

    PROX Intake Valve 28.1323-2

    PROX

    $19.95
    Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260671
    SKU:
    09260671
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    INTAKE
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • PROX Exhaust Valve 28.1338-1

    PROX Exhaust Valve 28.1338-1

    PROX

    $39.95
    Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260672
    SKU:
    09260672
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    RIDING STYLE:
    OFF-ROAD
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • PROX Exhaust Valve 28.1381-1

    PROX Exhaust Valve 28.1381-1

    PROX

    $29.95
    Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260675
    SKU:
    09260675
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    PRODUCT NAME:
    VALVE
    APPLICATION:
    EXHAUST
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • PROX Intake Valve 28.1381-2

    PROX Intake Valve 28.1381-2

    PROX

    $19.95
    Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260676
    SKU:
    09260676
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    INTAKE
    UNITS:
    EACH
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • PROX Exhaust Valve 28.2200-1

    PROX Exhaust Valve 28.2200-1

    PROX

    $24.95
    Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260678
    SKU:
    09260678
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    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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