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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 Piston Kit 01.4022.A

    PROX Piston Kit 01.4022.A

    PROX

    $88.95
    Worn or damaged pistons compromise combustion efficiency, reduce power output, and risk catastrophic engine failure. The PROX Piston Kit 01.4022.A delivers OEM-equivalent performance with precision...
    09100022
    SKU:
    09100022
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    BORE SIZE METRIC:
    44.45 MM
    PISTON DIAMETER METRIC:
    42.96 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    EACH
    PISTON SIZE METRIC:
    STANDARD SIZE A
    RIDING STYLE:
    OFF-ROAD
    $88.95
    Qty in Cart: 0
    Quantity:
    Price:
    $88.95
    Subtotal:
  • PROX Piston Kit 01.4022.B

    PROX Piston Kit 01.4022.B

    PROX

    $88.95
    When your engine demands reliability under extreme conditions, OEM-spec pistons are non-negotiable. The PROX Piston Kit 01.4022.B delivers factory-quality performance with the precision tolerances...
    09100023
    SKU:
    09100023
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    BORE SIZE METRIC:
    44.46 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    EACH
    PISTON DIAMETER METRIC:
    44.46 MM
    PISTON SIZE METRIC:
    STANDARD SIZE B
    RIDING STYLE:
    OFF-ROAD
    $88.95
    Qty in Cart: 0
    Quantity:
    Price:
    $88.95
    Subtotal:
  • PROX Piston Kit 01.4223.B

    PROX Piston Kit 01.4223.B

    PROX

    $105.95
    A piston kit is fundamental to engine longevity and performance—worn or damaged pistons compromise compression, increase blow-by, and accelerate engine wear. The PROX Piston Kit 01.4223.B delivers...
    09100025
    SKU:
    09100025
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON DIAMETER METRIC:
    53.96 MM
    RIDING STYLE:
    OFF-ROAD
    ENGINE TYPE:
    2-STROKE
    PISTON SIZE METRIC:
    STANDARD SIZE B
    UNITS:
    EACH
    BORE SIZE METRIC:
    53.96 MM
    PRODUCT NAME:
    PISTON KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $105.95
    Subtotal:
  • PROX Piston Kit 01.4223.C

    PROX Piston Kit 01.4223.C

    PROX

    $101.95
    Worn or damaged pistons directly compromise engine reliability, power delivery, and fuel efficiency—making a quality replacement essential for any serious rebuild or refresh. The PROX Piston Kit 01...
    09100026
    SKU:
    09100026
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    BORE SIZE METRIC:
    53.97 MM
    PISTON SIZE METRIC:
    STANDARD SIZE C
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    PISTON DIAMETER METRIC:
    53.97 MM
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    PISTON KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $101.95
    Subtotal:
  • PROX Piston Kit 01.2406.A

    PROX Piston Kit 01.2406.A

    PROX

    $179.95
    A piston kit is critical to engine reliability and performance—worn or damaged pistons compromise compression, fuel efficiency, and power delivery. The PROX Piston Kit 01.2406.A delivers...
    09100027
    SKU:
    09100027
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    PISTON DIAMETER METRIC:
    76.95 MM
    BORE SIZE METRIC:
    76.95 MM
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    EACH
    PISTON SIZE METRIC:
    STANDARD SIZE A
    RIDING STYLE:
    OFF-ROAD
    $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • PROX Piston Kit 01.2406.B

    PROX Piston Kit 01.2406.B

    PROX

    $188.95
    A worn or damaged piston compromises engine compression, efficiency, and reliability—especially under boost or sustained high RPM. The PROX Piston Kit 01.2406.B delivers OEM-equivalent performance...
    09100028
    SKU:
    09100028
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    BORE SIZE METRIC:
    76.96 MM
    ENGINE TYPE:
    4-STROKE
    PISTON DIAMETER METRIC:
    76.96 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    EACH
    PISTON SIZE METRIC:
    STANDARD SIZE B
    RIDING STYLE:
    OFF-ROAD
    $188.95
    Qty in Cart: 0
    Quantity:
    Price:
    $188.95
    Subtotal:
  • PROX Piston Kit 01.2427.A

    PROX Piston Kit 01.2427.A

    PROX

    $205.95
    A worn or damaged piston kit severely limits engine performance and can lead to catastrophic failure if not addressed promptly. The PROX Piston Kit 01.2427.A restores your engine to OEM...
    09100031
    SKU:
    09100031
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    BORE SIZE METRIC:
    94.95 MM
    PISTON SIZE METRIC:
    STANDARD SIZE A
    RIDING STYLE:
    OFF-ROAD
    ENGINE TYPE:
    4-STROKE
    PISTON DIAMETER METRIC:
    94.95 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    EACH
    $205.95
    Qty in Cart: 0
    Quantity:
    Price:
    $205.95
    Subtotal:
  • PROX Engine Rebuild Kit 10.EK5806.A

    PROX Engine Rebuild Kit 10.EK5806.A

    PROX

    $1,110.95
    A complete engine rebuild requires precision components that restore your engine to OEM specifications or better. The PROX Engine Rebuild Kit 10.EK5806.A delivers comprehensive gasket sets, seals,...
    09031687
    SKU:
    09031687
    Availability:
    Ships Same Business Day
    Weight:
    25.51 LBS
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    RIDING STYLE:
    UTV
    BORE SIZE METRIC:
    STANDARD
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    $1,110.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,110.95
    Subtotal:
  • PROX Engine Rebuild Kit 10.EK5806.B

    PROX Engine Rebuild Kit 10.EK5806.B

    PROX

    $1,099.95
    A complete engine rebuild requires precision-engineered components that restore your engine to OEM specifications or better. The PROX Engine Rebuild Kit 10.EK5806.B delivers the critical internal...
    09031688
    SKU:
    09031688
    Availability:
    Ships Same Business Day
    Weight:
    25.56 LBS
    RIDING STYLE:
    UTV
    BORE SIZE METRIC:
    +0.01 MM
    UNITS:
    KIT
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    RIDING STYLE:
    ATV
    $1,099.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,099.95
    Subtotal:
  • PROX Engine Rebuild Kit 10.EK5806.A1

    PROX Engine Rebuild Kit 10.EK5806.A1

    PROX

    $1,110.95
    A complete engine rebuild demands precision components that restore your engine to factory specifications—or better. The PROX Engine Rebuild Kit 10.EK5806.A1 delivers OEM-quality internal parts in...
    09031690
    SKU:
    09031690
    Availability:
    Ships Same Business Day
    Weight:
    26.61 LBS
    BORE SIZE METRIC:
    STANDARD
    RIDING STYLE:
    UTV
    RIDING STYLE:
    ATV
    TYPE:
    ENGINE
    UNITS:
    KIT
    PRODUCT NAME:
    REBUILD KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $1,110.95
    Subtotal:
  • PROX Engine Rebuild Kit 10.EK5805.A1

    PROX Engine Rebuild Kit 10.EK5805.A1

    PROX

    $1,099.95
    A complete engine rebuild requires precision components that restore your engine to OEM specifications while maintaining the durability your high-performance builds demand. The PROX Engine Rebuild...
    09031696
    SKU:
    09031696
    Availability:
    Ships Same Business Day
    Weight:
    25.61 LBS
    UNITS:
    KIT
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    BORE SIZE METRIC:
    STANDARD
    RIDING STYLE:
    UTV
    $1,099.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,099.95
    Subtotal:
  • PROX Piston Kit - KDX200 '86-'06 01.4285.D

    PROX Piston Kit - KDX200 '86-'06 01.4285.D

    PROX

    $132.95
    A worn or damaged piston directly kills engine performance and reliability. The PROX Piston Kit restores your KDX200 to OEM specifications with Japanese-manufactured precision, ensuring consistent...
    09101453
    SKU:
    09101453
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    PISTON DIAMETER METRIC:
    65.97 MM
    PRODUCT NAME:
    PISTON KIT
    PISTON MATERIAL:
    ALUMINUM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    ENGINE TYPE:
    2-STROKE
    SKIRT COATING:
    MOLY COATED
    Qty in Cart: 0
    Quantity:
    Price:
    $132.95
    Subtotal:
  • PROX Piston Kit 01.4409.A

    PROX Piston Kit 01.4409.A

    PROX

    $189.95
    If your engine is showing signs of wear—loss of compression, increased blow-by, or declining power output—a quality piston kit is essential to restore performance and reliability. The PROX Piston Kit...
    09101465
    SKU:
    09101465
    Availability:
    Ships Same Business Day
    Weight:
    0.82 LBS
    RIDING STYLE:
    OFF-ROAD
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    EACH
    BORE SIZE METRIC:
    95.97 MM
    PISTON SIZE METRIC:
    STANDARD SIZE A
    PISTON DIAMETER METRIC:
    95.97 MM
    $189.95
    Qty in Cart: 0
    Quantity:
    Price:
    $189.95
    Subtotal:
  • PROX Engine Rebuild Kit 10.EK5806.C

    PROX Engine Rebuild Kit 10.EK5806.C

    PROX

    $1,099.95
    A comprehensive engine rebuild kit is essential when you're restoring your engine to factory specifications or preparing it for high-performance duty. The PROX 10.EK5806.C delivers...
    09031689
    SKU:
    09031689
    Availability:
    Ships Same Business Day
    Weight:
    25.56 LBS
    TYPE:
    ENGINE
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    UTV
    BORE SIZE METRIC:
    +0.02 MM
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    $1,099.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,099.95
    Subtotal:
  • PROX Engine Rebuild Kit 10.EK5805.B1

    PROX Engine Rebuild Kit 10.EK5805.B1

    PROX

    $1,099.95
    An engine rebuild demands precision components that restore performance to factory specifications—or better. The PROX Engine Rebuild Kit 10.EK5805.B1 provides OEM-quality internal parts engineered to...
    09031697
    SKU:
    09031697
    Availability:
    Ships Same Business Day
    Weight:
    24.41 LBS
    BORE SIZE METRIC:
    +0.01 MM
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    UNITS:
    KIT
    RIDING STYLE:
    UTV
    $1,099.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,099.95
    Subtotal:
  • PROX Engine Rebuild Kit 10.EK5805.C1

    PROX Engine Rebuild Kit 10.EK5805.C1

    PROX

    $1,099.95
    A complete engine rebuild demands precision components that restore your engine to factory specifications or beyond. The PROX Engine Rebuild Kit 10.EK5805.C1 delivers OEM-quality pistons, rings,...
    09031698
    SKU:
    09031698
    Availability:
    Ships Same Business Day
    Weight:
    25.86 LBS
    PRODUCT NAME:
    REBUILD KIT
    BORE SIZE METRIC:
    +0.02 MM
    UNITS:
    KIT
    TYPE:
    ENGINE
    RIDING STYLE:
    UTV
    $1,099.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,099.95
    Subtotal:
  • PROX Piston Kit 01.4409.B

    PROX Piston Kit 01.4409.B

    PROX

    $210.95
    Pistons are the heart of any engine, and worn or damaged units directly compromise compression, power delivery, and reliability. The PROX Piston Kit 01.4409.B delivers OEM-equivalent performance with...
    09101466
    SKU:
    09101466
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON SIZE METRIC:
    STANDARD SIZE B
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    BORE SIZE METRIC:
    95.98 MM
    PRODUCT NAME:
    PISTON KIT
    PISTON DIAMETER METRIC:
    95.98 MM
    $210.95
    Qty in Cart: 0
    Quantity:
    Price:
    $210.95
    Subtotal:
  • PROX Top End Gasket Set - Yamaha 35.2214

    PROX Top End Gasket Set - Yamaha 35.2214

    PROX

    $25.95
    A quality top-end gasket set is essential for maintaining compression integrity and preventing oil seepage across your cylinder head. PROX delivers OEM-equivalent sealing performance with...
    09345693
    SKU:
    09345693
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    GASKET SET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    SET
    TYPE:
    TOP END
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • PROX Top End Gasket Set - Yamaha 35.2218

    PROX Top End Gasket Set - Yamaha 35.2218

    PROX

    $25.95
    A quality top-end gasket set is non-negotiable for maintaining compression integrity and preventing oil seepage in your Yamaha engine. Whether you're rebuilding after a refresh or replacing worn...
    09345694
    SKU:
    09345694
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    GASKET SET
    TYPE:
    TOP END
    UNITS:
    SET
    $25.95
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • PROX Top End Gasket Set - Yamaha 35.2222

    PROX Top End Gasket Set - Yamaha 35.2222

    PROX

    $25.95
    A quality top-end gasket set is non-negotiable for engine reliability and longevity. Whether you're rebuilding after a high-mileage service or preparing for competition, PROX's precision-engineered...
    09345695
    SKU:
    09345695
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    SET
    PRODUCT NAME:
    GASKET SET
    TYPE:
    TOP END
    RIDING STYLE:
    OFF-ROAD
    $25.95
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • PROX Top End Gasket Set - Yamaha 35.2225 PROX Top End Gasket Set - Yamaha 35.2225

    PROX Top End Gasket Set - Yamaha 35.2225

    PROX

    $30.95
    A top-end gasket set is critical for maintaining compression integrity and preventing coolant or oil seepage in your Yamaha engine. Factory gaskets degrade over time due to thermal cycling and...
    09345696
    SKU:
    09345696
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    PRODUCT NAME:
    GASKET SET
    UNITS:
    SET
    $30.95
    Qty in Cart: 0
    Quantity:
    Price:
    $30.95
    Subtotal:
  • PROX Top End Gasket Set - Yamaha 35.2319

    PROX Top End Gasket Set - Yamaha 35.2319

    PROX

    $30.95
    A quality top-end gasket set is the foundation of any reliable engine rebuild or refresh. PROX gaskets are engineered to OEM specifications, ensuring proper compression sealing and eliminating costly...
    09345702
    SKU:
    09345702
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    SET
    PRODUCT NAME:
    GASKET SET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    Qty in Cart: 0
    Quantity:
    Price:
    $30.95
    Subtotal:
  • PROX Top End Gasket Set - Yamaha 35.2320

    PROX Top End Gasket Set - Yamaha 35.2320

    PROX

    $30.95
    A failed top-end gasket can compromise your engine's integrity and performance in a single ride. The PROX Top End Gasket Set is engineered to maintain a perfect seal under extreme combustion...
    09345703
    SKU:
    09345703
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    GASKET SET
    TYPE:
    TOP END
    $30.95
    Qty in Cart: 0
    Quantity:
    Price:
    $30.95
    Subtotal:
  • PROX Top End Gasket Set - Yamaha 35.2401

    PROX Top End Gasket Set - Yamaha 35.2401

    PROX

    $62.95
    A quality top-end gasket set is non-negotiable for engine reliability and peak performance. Whether you're rebuilding after high-mileage wear or stepping up boost levels, PROX's precision-engineered...
    09345705
    SKU:
    09345705
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    SET
    PRODUCT NAME:
    GASKET SET
    RIDING STYLE:
    OFF-ROAD
    ENGINE TYPE:
    4-STROKE
    TYPE:
    TOP END
    $62.95
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    Subtotal:
  • PROX Top End Gasket Set - Yamaha 35.2414

    PROX Top End Gasket Set - Yamaha 35.2414

    PROX

    $57.95
    A top-end gasket set is critical for maintaining compression and preventing coolant/oil seepage in your engine's cylinder head assembly. PROX's 35.2414 gasket set delivers reliable sealing across all...
    09345707
    SKU:
    09345707
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    GASKET SET
    $57.95
    Qty in Cart: 0
    Quantity:
    Price:
    $57.95
    Subtotal:
  • PROX Top End Gasket Set - Yamaha 35.2426

    PROX Top End Gasket Set - Yamaha 35.2426

    PROX

    $72.95
    A quality top-end gasket set is essential for maintaining cylinder head integrity and preventing coolant or oil seepage that can compromise engine performance. The PROX 35.2426 delivers...
    09345711
    SKU:
    09345711
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    GASKET SET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    SET
    $72.95
    Qty in Cart: 0
    Quantity:
    Price:
    $72.95
    Subtotal:
  • PROX Top End Gasket Set - Suzuki 35.3111

    PROX Top End Gasket Set - Suzuki 35.3111

    PROX

    $17.95
    A quality top-end gasket set is the foundation of a reliable engine rebuild—using OEM-equivalent sealing surfaces prevents oil leaks, compression loss, and premature wear on freshly rebuilt...
    09345716
    SKU:
    09345716
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    GASKET SET
    TYPE:
    TOP END
    $17.95
    Qty in Cart: 0
    Quantity:
    Price:
    $17.95
    Subtotal:
  • PROX Top End Gasket Set - Suzuki 35.3218

    PROX Top End Gasket Set - Suzuki 35.3218

    PROX

    $25.95
    A quality top-end gasket set is the foundation of a reliable engine rebuild—seal leaks, maintain compression, and prevent costly damage from developing. PROX's precision-engineered gasket set ensures...
    09345724
    SKU:
    09345724
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    GASKET SET
    TYPE:
    TOP END
    $25.95
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • PROX Top End Gasket Set - Suzuki 35.3224

    PROX Top End Gasket Set - Suzuki 35.3224

    PROX

    $25.95
    A worn or compromised top end gasket set is one of the fastest ways to lose compression and reliability in your Suzuki engine. PROX's top end gasket set ensures a proper seal across all critical...
    09345725
    SKU:
    09345725
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    SET
    PRODUCT NAME:
    GASKET SET
    TYPE:
    TOP END
    RIDING STYLE:
    OFF-ROAD
    $25.95
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • PROX Top End Gasket Set - Suzuki 35.3322

    PROX Top End Gasket Set - Suzuki 35.3322

    PROX

    $39.95
    A top-end gasket set is critical for maintaining a reliable seal between your cylinder head and engine block—without it, you're risking compression loss, oil leakage, and potential engine damage. The...
    09345732
    SKU:
    09345732
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    SET
    PRODUCT NAME:
    GASKET SET
    TYPE:
    TOP END
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • PROX Top End Gasket Set - Suzuki 35.3323

    PROX Top End Gasket Set - Suzuki 35.3323

    PROX

    $39.95
    A compromised top end gasket set is a silent engine killer—allowing coolant and oil to seep past critical sealing surfaces, leading to overheating, contamination, and catastrophic failure. The PROX...
    09345733
    SKU:
    09345733
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    SET
    PRODUCT NAME:
    GASKET SET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • PROX Top End Gasket Set - Suzuki 35.3405

    PROX Top End Gasket Set - Suzuki 35.3405

    PROX

    $67.95
    A quality top-end gasket set is essential for maintaining compression integrity and preventing oil seepage in high-performance applications. The PROX 35.3405 delivers OEM-equivalent sealing with the...
    09345740
    SKU:
    09345740
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    PRODUCT NAME:
    GASKET SET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    SET
    $67.95
    Qty in Cart: 0
    Quantity:
    Price:
    $67.95
    Subtotal:
  • PROX Top End Gasket Set - Suzuki 35.3420

    PROX Top End Gasket Set - Suzuki 35.3420

    PROX

    $57.95
    A compromised top end gasket set is a direct path to coolant leaks, combustion blow-by, and catastrophic engine failure. The PROX Top End Gasket Set for Suzuki engines delivers OEM-equivalent sealing...
    09345742
    SKU:
    09345742
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    GASKET SET
    UNITS:
    SET
    TYPE:
    TOP END
    RIDING STYLE:
    OFF-ROAD
    $57.95
    Qty in Cart: 0
    Quantity:
    Price:
    $57.95
    Subtotal:
  • PROX Top End Gasket Set - Kawasaki/Suzuki 35.4021

    PROX Top End Gasket Set - Kawasaki/Suzuki 35.4021

    PROX

    $30.95
    A top-end gasket set is essential for maintaining proper compression and preventing coolant/oil seepage in high-stress racing and performance applications. Whether you're rebuilding after an engine...
    09345743
    SKU:
    09345743
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    GASKET SET
    TYPE:
    TOP END
    $30.95
    Qty in Cart: 0
    Quantity:
    Price:
    $30.95
    Subtotal:
  • PROX Top End Gasket Set - Kawasaki/Suzuki 35.4100.90

    PROX Top End Gasket Set - Kawasaki/Suzuki 35.4100.90

    PROX

    $22.95
    A quality top-end gasket set is non-negotiable for any engine rebuild or head service—it's your barrier against compression loss, oil leakage, and catastrophic failure. The PROX Top End Gasket Set is...
    09345744
    SKU:
    09345744
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    SET
    PRODUCT NAME:
    GASKET SET
    TYPE:
    TOP END
    RIDING STYLE:
    OFF-ROAD
    $22.95
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • PROX Top End Gasket Set - Kawasaki 35.4121

    PROX Top End Gasket Set - Kawasaki 35.4121

    PROX

    $25.95
    A top-end gasket set is essential maintenance for any Kawasaki engine rebuild or high-mileage overhaul. Worn or compromised gaskets lead to oil leaks, compression loss, and potential engine...
    09345748
    SKU:
    09345748
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    GASKET SET
    TYPE:
    TOP END
    UNITS:
    SET
    $25.95
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • PROX Top End Gasket Set - Kawasaki 35.4125

    PROX Top End Gasket Set - Kawasaki 35.4125

    PROX

    $36.95
    A worn or damaged top end gasket set compromises cylinder head sealing, leading to compression loss, oil leakage, and potential engine damage. The PROX Top End Gasket Set delivers OEM-equivalent...
    09345750
    SKU:
    09345750
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    GASKET SET
    TYPE:
    TOP END
    $36.95
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • PROX Top End Gasket Set - Suzuki 35.4198

    PROX Top End Gasket Set - Suzuki 35.4198

    PROX

    $36.95
    A quality top-end gasket set is essential for maintaining compression and preventing coolant or oil leaks that compromise engine reliability. PROX's OEM-equivalent gasket set ensures proper sealing...
    09345752
    SKU:
    09345752
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    SET
    PRODUCT NAME:
    GASKET SET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    $36.95
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • PROX Top End Gasket Set - Kawasaki 35.4221

    PROX Top End Gasket Set - Kawasaki 35.4221

    PROX

    $46.95
    A top-end gasket set is critical for maintaining compression integrity and preventing oil seepage in high-stress engine environments. Whether you're rebuilding after serious track time or performing...
    09345757
    SKU:
    09345757
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    TYPE:
    TOP END
    RIDING STYLE:
    OFF-ROAD
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    GASKET SET
    UNITS:
    SET
    Qty in Cart: 0
    Quantity:
    Price:
    $46.95
    Subtotal:
  • PROX Top End Gasket Set - Kawasaki 35.4223

    PROX Top End Gasket Set - Kawasaki 35.4223

    PROX

    $46.95
    A quality top-end gasket set is essential for maintaining compression integrity and preventing costly oil leaks in your Kawasaki engine. PROX's engineering ensures reliable sealing under high RPM...
    09345758
    SKU:
    09345758
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    SET
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    GASKET SET
    TYPE:
    TOP END
    RIDING STYLE:
    OFF-ROAD
    $46.95
    Qty in Cart: 0
    Quantity:
    Price:
    $46.95
    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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