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!
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On Sale
PROX Ring Set 02.2599.000
PROX
MSRP: $24.95Now: $21.00Was: $24.95A properly sealed combustion chamber is non-negotiable for engine reliability and peak performance. PROX ring sets are engineered to maintain consistent compression and minimize blow-by, directly...09120455- SKU:
- 09120455
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- SET
- BORE SIZE METRIC:
- 72.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- PISTON RING
MSRP: $24.95Now: $21.00Was: $24.95 -
On Sale
PROX Piston Kit 01.5599.100
PROX
MSRP: $105.95Now: $90.00Was: $105.95When your engine's pistons show wear, power delivery suffers and reliability becomes questionable. The PROX Piston Kit 01.5599.100 restores OEM-level performance with precision-engineered components...09103294- SKU:
- 09103294
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE SIZE METRIC:
- 74.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- SNOW
MSRP: $105.95Now: $90.00Was: $105.95Qty in Cart: 0Quantity:Price:MSRP: $105.95Now: $90.00Was: $105.95Subtotal: -
On Sale
PROX Piston Kit 01.5603.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95When your engine demands reliability at the highest RPMs, OEM-equivalent pistons are non-negotiable. The PROX Piston Kit 01.5603.000 delivers Japanese manufacturing precision with high-silicon...09103297- SKU:
- 09103297
- Availability:
- Ships Same Business Day
- Weight:
- 1.08 LBS
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 77.25 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- RIDING STYLE:
- SNOW
MSRP: $105.95Now: $90.00Was: $105.95Qty in Cart: 0Quantity:Price:MSRP: $105.95Now: $90.00Was: $105.95Subtotal: -
On Sale
PROX Top End Gasket Set - Kawasaki/Suzuki 35.4334
PROX
MSRP: $62.95Now: $51.00Was: $62.95A top-end gasket set is essential for maintaining compression integrity and preventing coolant or oil seepage in high-performance applications. PROX gaskets are engineered to OEM specifications with...09345766- SKU:
- 09345766
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET SET
- UNITS:
- SET
MSRP: $62.95Now: $51.00Was: $62.95Qty in Cart: 0Quantity:Price:MSRP: $62.95Now: $51.00Was: $62.95Subtotal:
