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
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On Sale
PROX Top End Gasket Set - Yamaha 35.2113
PROX
MSRP: $22.95Now: $17.00Was: $22.95A top-end gasket set is essential maintenance for any high-revving engine—proper sealing prevents coolant and oil leakage that compromises performance and engine longevity. The PROX 35.2113 delivers...09345685- SKU:
- 09345685
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
MSRP: $22.95Now: $17.00Was: $22.95 -
On Sale
PROX Top End Gasket Set - Yamaha 35.2122
PROX
MSRP: $25.95Now: $21.00Was: $25.95A quality top-end gasket set is non-negotiable for any engine rebuild or head service—it's your seal against oil leaks, coolant seepage, and compression loss that compromise performance and...09345686- SKU:
- 09345686
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $25.95Now: $21.00Was: $25.95 -
On Sale
PROX Top End Gasket Set - Yamaha 35.2201
PROX
MSRP: $51.95Now: $42.00Was: $51.95A degraded top end gasket set compromises cylinder sealing, leading to compression loss, oil leakage, and reduced engine efficiency. The PROX 35.2201 restores OEM-spec sealing integrity with...09345687- SKU:
- 09345687
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET SET
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
MSRP: $51.95Now: $42.00Was: $51.95 -
On Sale
PROX Piston Kit 01.1495.000
PROX
MSRP: $155.95Now: $119.00Was: $155.95When your engine demands precision and reliability, OEM-equivalent performance is non-negotiable. The PROX Piston Kit 01.1495.000 delivers factory-spec durability with CNC-machined accuracy, ensuring...PX2500- SKU:
- PX2500
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- BORE SIZE METRIC:
- 85.00 MM
- PISTON SIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 85.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON KIT
MSRP: $155.95Now: $119.00Was: $155.95 -
On Sale
PROX Piston Kit 01.1495.025
PROX
MSRP: $155.95Now: $119.00Was: $155.95Whether you're rebuilding after high-mileage wear or restoring a race engine to factory specifications, the PROX Piston Kit 01.1495.025 delivers the precision and durability that serious engine...PX2501- SKU:
- PX2501
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- BORE SIZE METRIC:
- 85.25 MM
- PISTON DIAMETER METRIC:
- 85.25 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- OFF-ROAD
- PISTON SIZE IMPERIAL:
- +0.010'
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
MSRP: $155.95Now: $119.00Was: $155.95 -
On Sale
PROX Piston Kit 01.2020.050
PROX
MSRP: $121.95Now: $85.00Was: $121.95OEM-equivalent piston performance demands precision engineering and materials that can withstand extreme combustion pressures without compromise. The PROX Piston Kit 01.2020.050 delivers exactly...PX4192- SKU:
- PX4192
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- PISTON SIZE METRIC:
- +0.50 MM
- RIDING STYLE:
- STREET
- BORE SIZE METRIC:
- 64.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PISTON DIAMETER METRIC:
- 64.50 MM
MSRP: $121.95Now: $85.00Was: $121.95 -
On Sale
PROX Piston Kit 01.2215.B
PROX
MSRP: $105.95Now: $90.00Was: $105.95Your engine's pistons are the hardworking heart of combustion—and worn or damaged units directly compromise power output, efficiency, and reliability. The PROX Piston Kit 01.2215.B delivers...PX7214B- SKU:
- PX7214B
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- BORE SIZE METRIC:
- 53.95 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- +0.01 MM
- PISTON DIAMETER METRIC:
- 53.95 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- PISTON KIT
MSRP: $105.95Now: $90.00Was: $105.95Qty in Cart: 0Quantity:Price:MSRP: $105.95Now: $90.00Was: $105.95Subtotal: -
On Sale
PROX Piston Kit 01.4223.A
PROX
MSRP: $101.95Now: $87.00Was: $101.95When your engine demands precision and reliability, OEM-spec pistons are non-negotiable. The PROX Piston Kit 01.4223.A delivers factory-matched performance with CNC-machined accuracy, ensuring...09100024- SKU:
- 09100024
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PISTON DIAMETER METRIC:
- 53.95 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- PISTON SIZE METRIC:
- STANDARD SIZE A
- BORE SIZE METRIC:
- 53.95 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
MSRP: $101.95Now: $87.00Was: $101.95 -
On Sale
PROX Piston Kit 01.1414.A
PROX
MSRP: $210.95Now: $167.00Was: $210.95When your engine demands reliability under extreme conditions, OEM-spec pistons aren't optional—they're foundational. The PROX Piston Kit 01.1414.A delivers factory-engineered performance with...09100607- SKU:
- 09100607
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- BORE SIZE METRIC:
- 95.96 MM
- PISTON DIAMETER METRIC:
- 95.96 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
MSRP: $210.95Now: $167.00Was: $210.95 -
On Sale
PROX Piston Kit 01.1338.B
PROX
MSRP: $188.95Now: $158.00Was: $188.95Worn or damaged pistons compromise engine efficiency, power delivery, and long-term reliability—especially under racing conditions or high-mileage operation. The PROX Piston Kit 01.1338.B restores...09101127- SKU:
- 09101127
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- PISTON DIAMETER METRIC:
- 77.98 MM
- BORE SIZE METRIC:
- 77.98 MM
- PISTON SIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON KIT
MSRP: $188.95Now: $158.00Was: $188.95 -
On Sale
PROX Connecting Rod 03.6520
PROX
MSRP: $210.95Now: $170.00Was: $210.95A connecting rod is the critical link between your crankshaft and piston—it must handle extreme forces without flex or failure. The PROX 03.6520 is engineered to deliver the reliability and precision...09230138- SKU:
- 09230138
- Availability:
- Ships Same Business Day
- Weight:
- 1.92 LBS
- MATERIAL:
- FORGED STEEL
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CONNECTING ROD KIT
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
MSRP: $210.95Now: $170.00Was: $210.95 -
On Sale
PROX Connecting Rod 03.4285
PROX
MSRP: $132.95Now: $102.00Was: $132.95A connecting rod is the critical link between your crankshaft and piston—it's where combustion forces transfer into rotational power. The PROX 03.4285 delivers OEM-quality construction with...09230161- SKU:
- 09230161
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- MATERIAL:
- FORGED STEEL
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
MSRP: $132.95Now: $102.00Was: $132.95 -
On Sale
PROX Exhaust Valve 28.1356-1
PROX
MSRP: $30.95Now: $25.00Was: $30.95A precision exhaust valve is critical to maintaining peak combustion efficiency and engine reliability, especially in high-performance applications where tolerances matter. The PROX 28.1356-1 is...09260673- SKU:
- 09260673
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
MSRP: $30.95Now: $25.00Was: $30.95 -
On Sale
PROX Intake Valve 28.1356-2
PROX
MSRP: $22.95Now: $17.00Was: $22.95A quality intake valve is critical to your engine's breathing efficiency and combustion reliability. The PROX 28.1356-2 is precision-manufactured to strict OEM specifications, ensuring consistent...09260674- SKU:
- 09260674
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
MSRP: $22.95Now: $17.00Was: $22.95 -
On Sale
PROX Exhaust Valve 28.2661-1
PROX
MSRP: $40.95Now: $34.00Was: $40.95Precision exhaust valve performance directly impacts combustion efficiency, cylinder sealing, and overall engine reliability. The PROX 28.2661-1 is engineered to OEM specifications, ensuring...09260684- SKU:
- 09260684
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
MSRP: $40.95Now: $34.00Was: $40.95 -
On Sale
PROX Connecting Rod 03.3402
PROX
MSRP: $175.95Now: $150.00Was: $175.95A connecting rod is the critical link between your piston and crankshaft—any weakness in this component directly compromises power delivery, engine stability, and reliability under load. The PROX 03...09230164- SKU:
- 09230164
- Availability:
- Ships Same Business Day
- Weight:
- 1.68 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- ENGINE TYPE:
- 4-STROKE
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
MSRP: $175.95Now: $150.00Was: $175.95Qty in Cart: 0Quantity:Price:MSRP: $175.95Now: $150.00Was: $175.95Subtotal: -
On Sale
PROX Connecting Rod 03.6323
PROX
MSRP: $132.95Now: $102.00Was: $132.95A connecting rod is the critical mechanical link between your piston and crankshaft—any weakness here directly translates to power loss, unreliable shifts, or catastrophic engine failure. The PROX 03...09230173- SKU:
- 09230173
- Availability:
- Ships Same Business Day
- Weight:
- 0.99 LBS
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $132.95Now: $102.00Was: $132.95 -
On Sale
PROX Connecting Rod 03.3323
PROX
MSRP: $132.95Now: $102.00Was: $132.95A connecting rod is the critical link between your piston and crankshaft—any weakness here directly compromises power delivery, reliability, and engine longevity. The PROX 03.3323 is engineered for...09230185- SKU:
- 09230185
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
- UNITS:
- EACH
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
MSRP: $132.95Now: $102.00Was: $132.95Qty in Cart: 0Quantity:Price:MSRP: $132.95Now: $102.00Was: $132.95Subtotal: -
On Sale
PROX Crank Bearing and Seal Kit 23.CBS13092
PROX
MSRP: $70.95Now: $56.00Was: $70.95A complete crankshaft bearing and seal replacement isn't something you want to compromise on—worn bearings directly impact engine reliability, oil pressure stability, and longevity under load. This...09240302- SKU:
- 09240302
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- PRODUCT NAME:
- BEARING AND SEAL KIT
- STYLE:
- 2-STROKE
- APPLICATION:
- CRANKSHAFT
- TYPE:
- BALL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $70.95Now: $56.00Was: $70.95 -
On Sale
PROX Crank Bearing and Seal Kit 23.CBS14006
PROX
MSRP: $116.95Now: $93.00Was: $116.95A catastrophic crank bearing failure will sideline your engine—and your race season. This PROX Crank Bearing and Seal Kit delivers OEM-spec replacements for all critical bearing and seal positions,...09240305- SKU:
- 09240305
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- STYLE:
- 4-STROKE
- TYPE:
- BALL
MSRP: $116.95Now: $93.00Was: $116.95Qty in Cart: 0Quantity:Price:MSRP: $116.95Now: $93.00Was: $116.95Subtotal: -
On Sale
PROX Top End Gasket Set - Yamaha 35.2423
PROX
MSRP: $67.95Now: $55.00Was: $67.95A top-end gasket set is essential maintenance for any serious Yamaha rider—it's the barrier between combustion efficiency and catastrophic leaks. Over time, factory gaskets deteriorate from thermal...09345710- SKU:
- 09345710
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $67.95Now: $55.00Was: $67.95 -
On Sale
PROX Top End Gasket Set - Suzuki 35.3341
PROX
MSRP: $72.95Now: $59.00Was: $72.95A top-end gasket set is essential for maintaining compression integrity and preventing oil leakage after high-mileage operation or performance modifications. The PROX 35.3341 delivers OEM-equivalent...09345738- SKU:
- 09345738
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
MSRP: $72.95Now: $59.00Was: $72.95Qty in Cart: 0Quantity:Price:MSRP: $72.95Now: $59.00Was: $72.95Subtotal: -
On Sale
PROX Crank Bearing and Seal Kit 23.CBS22005
PROX
MSRP: $62.95Now: $51.00Was: $62.95A crankshaft rebuild demands precision bearings and seals that can withstand extreme loads and sustained RPM, and this Pro X kit delivers exactly that without compromise. Rather than sourcing...09240313- SKU:
- 09240313
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- APPLICATION:
- CRANKSHAFT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- 2-STROKE
- TYPE:
- BALL
MSRP: $62.95Now: $51.00Was: $62.95 -
On Sale
PROX Crank Bearing and Seal Kit 23.CBS24001
PROX
MSRP: $133.95Now: $107.00Was: $133.95A crankshaft rebuild demands precision components that match OEM tolerances—any compromise on bearing or seal quality directly impacts engine reliability and performance. This Pro X kit delivers all...09240327- SKU:
- 09240327
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- STYLE:
- 4-STROKE
- TYPE:
- BALL
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING SET
- RIDING STYLE:
- STREET
MSRP: $133.95Now: $107.00Was: $133.95 -
On Sale
PROX Crank Bearing and Seal Kit 23.CBS41088
PROX
MSRP: $36.95Now: $29.00Was: $36.95A failing crankshaft bearing or seal can compromise your entire engine's integrity, leading to catastrophic damage and costly downtime. This PROX kit delivers OEM-specification bearings and seals in...09240349- SKU:
- 09240349
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- BEARING AND SEAL KIT
- TYPE:
- BALL
- STYLE:
- 2-STROKE
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $36.95Now: $29.00Was: $36.95 -
On Sale
PROX Valve Shim Kit 29.VSA948
PROX
MSRP: $116.95Now: $93.00Was: $116.95Valve shim wear directly impacts your engine's valve clearance, combustion efficiency, and overall reliability—especially under high-RPM conditions. The PROX Valve Shim Kit 29.VSA948 delivers...09260941- SKU:
- 09260941
- Availability:
- Ships Same Business Day
- Weight:
- 1.14 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- SHIM KIT
- TYPE:
- VALVE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 1.20 MM - 3.50 MM
MSRP: $116.95Now: $93.00Was: $116.95 -
On Sale
PROX Valve Shim Kit 29.VSA748
PROX
MSRP: $116.95Now: $93.00Was: $116.95Valve shim clearance directly impacts combustion efficiency and engine longevity—worn or incorrect shims compromise both. The PROX 29.VSA748 delivers OEM-equivalent precision at a fraction of the...09261018- SKU:
- 09261018
- Availability:
- Ships Same Business Day
- Weight:
- 0.93 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 1.20 MM - 3.50 MM
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
MSRP: $116.95Now: $93.00Was: $116.95 -
On Sale
PROX Valve and Spring Kit 28.SIS2424-2
PROX
MSRP: $212.95Now: $167.00Was: $212.95If you're running high-RPM conditions or boost-dependent applications, your OEM valve train wasn't designed to handle the sustained punishment. The PROX 28.SIS2424-2 replaces weak factory valves and...09261024- SKU:
- 09261024
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- PRODUCT NAME:
- SPRING KIT
- TYPE:
- VALVE
- MATERIAL:
- STEEL
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $212.95Now: $167.00Was: $212.95 -
On Sale
PROX Valve and Spring Kit 28.SIS6329-2
PROX
MSRP: $155.95Now: $127.00Was: $155.95Stock valve springs lose their tension under sustained high-RPM operation, causing valve float and compromised combustion timing—exactly when you need precision the most. The PROX 28.SIS6329-2 pairs...09261436- SKU:
- 09261436
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- SPRING KIT
- TYPE:
- VALVE
MSRP: $155.95Now: $127.00Was: $155.95 -
On Sale
PROX Valve and Spring Kit 28.SES4335-1
PROX
MSRP: $155.95Now: $127.00Was: $155.95If you're running your engine hard—whether on the track or in sustained high-RPM conditions—OEM valves and springs become the weak link. The PROX 28.SES4335-1 Kit replaces them with nitrided steel...09261457- SKU:
- 09261457
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- SPRING KIT
- MATERIAL:
- STEEL
- APPLICATION:
- EXHAUST
- TYPE:
- VALVE
MSRP: $155.95Now: $127.00Was: $155.95 -
On Sale
PROX Valve and Spring Kit 28.SIS2402-2
PROX
MSRP: $212.95Now: $167.00Was: $212.95If you're pushing your engine to its limits, OEM valves and springs will fail you—they simply aren't engineered for sustained high-RPM abuse. The PROX 28.SIS2402-2 replaces those weak points with...09261460- SKU:
- 09261460
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- SPRING KIT
- TYPE:
- VALVE
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
- UNITS:
- KIT
MSRP: $212.95Now: $167.00Was: $212.95 -
On Sale
PROX Inner Clutch Hub 18.1290
PROX
MSRP: $66.95Now: $55.00Was: $66.95The PROX Inner Clutch Hub 18.1290 is a precision-engineered replacement component manufactured to exact OEM specifications, ensuring reliable power transfer and consistent clutch engagement. Whether...11320059- SKU:
- 11320059
- Availability:
- Ships Same Business Day
- Weight:
- 0.93 LBS
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CLUTCH HUB
- TYPE:
- INNER
- UNITS:
- EACH
MSRP: $66.95Now: $55.00Was: $66.95 -
On Sale
PROX Inner Clutch Hub 18.1397
PROX
MSRP: $82.95Now: $68.00Was: $82.95A worn or damaged clutch hub can compromise your primary clutch engagement and throttle response—critical factors whether you're on the track or the trail. The PROX Inner Clutch Hub 18.1397 delivers...11320061- SKU:
- 11320061
- Availability:
- Ships Same Business Day
- Weight:
- 0.93 LBS
- TYPE:
- INNER
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CLUTCH HUB
MSRP: $82.95Now: $68.00Was: $82.95 -
On Sale
PROX Clutch Inner Hub - TRX400 18.1499
PROX
MSRP: $77.95Now: $64.00Was: $77.95A worn or damaged clutch inner hub compromises power delivery and can cascade into more costly transmission failures. The PROX Clutch Inner Hub delivers OEM-spec precision at a fraction of...11320065- SKU:
- 11320065
- Availability:
- Ships Same Business Day
- Weight:
- 0.97 LBS
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- UTV
- TYPE:
- INNER
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- CLUTCH HUB
MSRP: $77.95Now: $64.00Was: $77.95Qty in Cart: 0Quantity:Price:MSRP: $77.95Now: $64.00Was: $77.95Subtotal: -
On Sale
PROX Fork Seal/Wiper Kit - 43 mm ID x 54 mm OD x 11 mm T 40.S435411
PROX
MSRP: $52.95Now: $42.00Was: $52.95Fork seals degrade with every ride—heat cycles, dust contamination, and hydraulic pressure take their toll. PROX genuine NOK replacement seals restore proper oil retention and suspension performance,...04070185- SKU:
- 04070185
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- FORK SEAL/WIPER
- THICKNESS IMPERIAL:
- 0.43'
- INSIDE DIAMETER:
- 43,00 MM (1,69')
- RIDING STYLE:
- OFF-ROAD
- THICKNESS:
- 11,00 MM (0,43')
- UNITS:
- KIT
- OUTSIDE DIAMETER:
- 54,00 MM (2,13')
MSRP: $52.95Now: $42.00Was: $52.95 -
On Sale
PROX Fork Seal/Wiper Kit - 43 mm ID x 52.9 mm OD x 9 mm T 40.S4352.99P
PROX
MSRP: $41.95Now: $34.00Was: $41.95Fork seals and wipers are wear items that degrade with every ride, allowing oil to escape and contaminants to enter your suspension system. A failed seal compromises damping performance, reduces fork...04070499- SKU:
- 04070499
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- INSIDE DIAMETER:
- 43,00 MM (1,69')
- THICKNESS:
- 9,00 MM (0,35')
- THICKNESS IMPERIAL:
- 0.35'
- OUTSIDE DIAMETER:
- 52,90 MM (2,08')
- PRODUCT NAME:
- FORK SEAL/WIPER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $41.95Now: $34.00Was: $41.95 -
On Sale
PROX Gasket Kit with Oil Seals - Ski Doo 550 34.5503
PROX
MSRP: $49.95Now: $42.00Was: $49.95Engine gasket and seal degradation is one of the most common causes of power loss and fluid leaks in high-performance snowmobiles. The PROX Gasket Kit with Oil Seals for Ski-Doo 550 engines delivers...09346593- SKU:
- 09346593
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- SNOW
- FEATURES:
- INCLUDES OIL SEAL
- UNITS:
- KIT
- TYPE:
- ENGINE
MSRP: $49.95Now: $42.00Was: $49.95 -
On Sale
PROX Gasket Kit with Oil Seals - Ski Doo 600 34.5600
PROX
MSRP: $94.95Now: $81.00Was: $94.95A complete gasket and oil seal refresh is essential for maintaining compression integrity and preventing fluid leakage in your Ski-Doo 600 engine. Factory gaskets degrade over time, compromising...09346595- SKU:
- 09346595
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
- FEATURES:
- INCLUDES OIL SEAL
- UNITS:
- KIT
- RIDING STYLE:
- SNOW
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
MSRP: $94.95Now: $81.00Was: $94.95Qty in Cart: 0Quantity:Price:MSRP: $94.95Now: $81.00Was: $94.95Subtotal: -
On Sale
PROX Gasket Kit with Oil Seals - Polaris 600 34.5604
PROX
MSRP: $109.95Now: $93.00Was: $109.95Engine seal integrity is critical to preventing oil leakage and maintaining proper combustion chamber pressure in your Polaris 600. A compromised gasket or oil seal can lead to performance loss,...09346597- SKU:
- 09346597
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- FEATURES:
- INCLUDES OIL SEAL
- TYPE:
- ENGINE
- UNITS:
- KIT
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- GASKET
MSRP: $109.95Now: $93.00Was: $109.95Qty in Cart: 0Quantity:Price:MSRP: $109.95Now: $93.00Was: $109.95Subtotal: -
On Sale
PROX Gasket Kit with Oil Seals - Polaris 800 34.5609
PROX
MSRP: $104.95Now: $89.00Was: $104.95Engine gaskets and oil seals are critical wear items that directly impact engine reliability and longevity. A compromised gasket or worn seal can lead to oil leakage, combustion chamber...09346598- SKU:
- 09346598
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- SNOW
- FEATURES:
- INCLUDES OIL SEAL
- UNITS:
- KIT
- TYPE:
- ENGINE
MSRP: $104.95Now: $89.00Was: $104.95
