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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- Qty in Cart
- Quantity
- Price
- Subtotal
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PROX Crank Bearing and Seal Kit 23.CBS33010
PROX
$149.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240338- SKU:
- 09240338
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- STYLE:
- 4-STROKE
- APPLICATION:
- CRANKSHAFT
- TYPE:
- BALL
$149.95 -
PROX Crank Bearing and Seal Kit 23.CBS33088
PROX
$65.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240340- SKU:
- 09240340
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- STYLE:
- 2-STROKE
- APPLICATION:
- CRANKSHAFT
- TYPE:
- BALL
- PRODUCT NAME:
- BEARING AND SEAL KIT
$65.95 -
PROX Crank Bearing and Seal Kit 23.CBS33096
PROX
$79.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240344- SKU:
- 09240344
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- APPLICATION:
- CRANKSHAFT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- 2-STROKE
- TYPE:
- BALL
$79.95 -
PROX Crank Bearing and Seal Kit 23.CBS34000
PROX
$119.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240345- SKU:
- 09240345
- Availability:
- Ships Same Business Day
- Weight:
- 1.52 LBS
- APPLICATION:
- CRANKSHAFT
- PRODUCT NAME:
- BEARING SET
- UNITS:
- KIT
- TYPE:
- BALL
- RIDING STYLE:
- ATV
- STYLE:
- 4-STROKE
$119.95 -
PROX Crank Bearing and Seal Kit 23.CBS34005
PROX
$109.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240346- SKU:
- 09240346
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- APPLICATION:
- CRANKSHAFT
- TYPE:
- BALL
- STYLE:
- 4-STROKE
- PRODUCT NAME:
- BEARING SET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$109.95 -
PROX Crank Bearing and Seal Kit 23.CBS42085
PROX
$65.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240351- SKU:
- 09240351
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- 2-STROKE
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- APPLICATION:
- CRANKSHAFT
- TYPE:
- BALL
$65.95 -
PROX Crank Bearing and Seal Kit 23.CBS42088
PROX
$65.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240352- SKU:
- 09240352
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- 2-STROKE
- UNITS:
- KIT
- TYPE:
- BALL
- PRODUCT NAME:
- BEARING AND SEAL KIT
- APPLICATION:
- CRANKSHAFT
$65.95 -
PROX Crank Bearing and Seal Kit 23.CBS42092
PROX
$65.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240353- SKU:
- 09240353
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- STYLE:
- 2-STROKE
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- BEARING AND SEAL KIT
- TYPE:
- BALL
$65.95 -
PROX Crank Bearing and Seal Kit 23.CBS43003
PROX
$135.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240355- SKU:
- 09240355
- Availability:
- Ships Same Business Day
- Weight:
- 1.69 LBS
- APPLICATION:
- CRANKSHAFT
- STYLE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- TYPE:
- BALL
$135.95 -
PROX Crank Bearing and Seal Kit 23.CBS43004
PROX
$85.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240356- SKU:
- 09240356
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- UNITS:
- KIT
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- BEARING AND SEAL KIT
- STYLE:
- 4-STROKE
- TYPE:
- BALL
$85.95 -
PROX Crank Bearing and Seal Kit 23.CBS43087
PROX
$75.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240357- SKU:
- 09240357
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- APPLICATION:
- CRANKSHAFT
- TYPE:
- BALL
- PRODUCT NAME:
- BEARING AND SEAL KIT
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- 2-STROKE
$75.95 -
PROX Crank Bearing and Seal Kit 23.CBS45088
PROX
$65.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240359- SKU:
- 09240359
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- APPLICATION:
- CRANKSHAFT
- TYPE:
- BALL
- PRODUCT NAME:
- BEARING AND SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- 2-STROKE
- UNITS:
- KIT
$65.95 -
PROX Crank Bearing and Seal Kit 23.CBS61009
PROX
$55.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240361- SKU:
- 09240361
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- APPLICATION:
- CRANKSHAFT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- TYPE:
- BALL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- 2-STROKE
- UNITS:
- KIT
$55.95 -
PROX Crank Bearing and Seal Kit 23.CBS61097
PROX
$49.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240362- SKU:
- 09240362
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- APPLICATION:
- CRANKSHAFT
- TYPE:
- BALL
- PRODUCT NAME:
- BEARING AND SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- 2-STROKE
- UNITS:
- KIT
$49.95 -
PROX Crank Bearing and Seal Kit 23.CBS62001
PROX
$105.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240363- SKU:
- 09240363
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- BEARING AND SEAL KIT
- TYPE:
- BALL
- STYLE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- STREET
$105.95 -
PROX Crank Bearing and Seal Kit 23.CBS63004
PROX
$125.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240365- SKU:
- 09240365
- Availability:
- Ships Same Business Day
- Weight:
- 1.33 LBS
- PRODUCT NAME:
- BEARING AND SEAL KIT
- TYPE:
- BALL
- STYLE:
- 2-STROKE
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$125.95 -
PROX Crank Bearing and Seal Kit 23.CBS63006
PROX
$149.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240366- SKU:
- 09240366
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- PRODUCT NAME:
- BEARING AND SEAL KIT
- STYLE:
- 4-STROKE
- TYPE:
- BALL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- CRANKSHAFT
$149.95 -
PROX Crank Bearing and Seal Kit 23.CBS64003
PROX
$145.95Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240367- SKU:
- 09240367
- Availability:
- Ships Same Business Day
- Weight:
- 1.04 LBS
- UNITS:
- KIT
- APPLICATION:
- CRANKSHAFT
- TYPE:
- BALL
- RIDING STYLE:
- ATV
- STYLE:
- 4-STROKE
- PRODUCT NAME:
- BEARING AND SEAL KIT
$145.95 -
PROX Connecting Rod Kit - KTM 125/150 SX 03.6226
PROX
$119.95Come complete with crankpin, big-end bearing, small-end bearing and washers, Easy to install09230471- SKU:
- 09230471
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- FORGED
- MATERIAL:
- STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
$119.95 -
PROX Connecting Rod Kit - Yamaha YFM700R 03.2706
PROX
$179.95Come complete with crankpin, big-end bearing, small-end bearing and washers, Easy to install09230631- SKU:
- 09230631
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CONNECTING ROD KIT
- UNITS:
- KIT
- RIDING STYLE:
- UTV
$179.95 -
PROX Connecting Rod Kit - Yamaha YFZ450R 03.2444
PROX
$175.95Come complete with crankpin, big-end bearing, small-end bearing and washers, Easy to install09230632- SKU:
- 09230632
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$175.95 -
PROX Connecting Rod Kit - Kawasaki KX 250 F 03.4347
PROX
$229.95Come complete with crankpin, big-end bearing, small-end bearing and washers, Easy to install09230461- SKU:
- 09230461
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- UNITS:
- KIT
- MATERIAL:
- STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
- MATERIAL:
- FORGED
$229.95 -
PROX Connecting Rod Kit - Yamaha YZ85 03.2119
PROX
$109.95Come complete with crankpin, big-end bearing, small-end bearing and washers, Easy to install09230614- SKU:
- 09230614
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED
- MATERIAL:
- STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$109.95 -
PROX Connecting Rod Kit - Yamaha YZ450F 03.2450
PROX
$175.95Come complete with crankpin, big-end bearing, small-end bearing and washers, Easy to install09230615- SKU:
- 09230615
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CONNECTING ROD KIT
$175.95 -
PROX Connecting Rod Kit - Kawasaki KX450 03.4419
PROX
$239.95Come complete with crankpin, big-end bearing, small-end bearing and washers, Easy to install09230616- SKU:
- 09230616
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
$239.95 -
PROX Connecting Rod Kit - KTM 350SX 03.6363
PROX
$239.95Come complete with crankpin, big-end bearing, small-end bearing and washers, Easy to install09230617- SKU:
- 09230617
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$239.95 -
PROX Connecting Rod Kit - KTM 450SX 03.6433
PROX
$249.95Come complete with crankpin, big-end bearing, small-end bearing and washers, Easy to install09230619- SKU:
- 09230619
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CONNECTING ROD KIT
$249.95 -
PROX Connecting Rod Kit - KTM 450SX 03.6436
PROX
$249.95Come complete with crankpin, big-end bearing, small-end bearing and washers, Easy to install09230620- SKU:
- 09230620
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
$249.95 -
PROX Connecting Rod Kit - Honda CRF250R 03.1348
PROX
$165.95Come complete with crankpin, big-end bearing, small-end bearing and washers, Easy to install09230561- SKU:
- 09230561
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CONNECTING ROD KIT
$165.95 -
PROX Connecting Rod Kit - KTM 85 SX/Husqvarna TC 85 03.6113
PROX
$109.95Come complete with crankpin, big-end bearing, small-end bearing and washers, Easy to install09230331- SKU:
- 09230331
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED
- MATERIAL:
- STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$109.95 -
PROX Connecting Rod 03.6029
PROX
$109.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230277- SKU:
- 09230277
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED STEEL
$109.95 -
PROX Connecting Rod Kit 03.1300
PROX
$119.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230278- SKU:
- 09230278
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- UNITS:
- EACH
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CONNECTING ROD KIT
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED STEEL
$119.95 -
PROX Connecting Rod Kit 03.6336
PROX
$165.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230281- SKU:
- 09230281
- Availability:
- Ships Same Business Day
- Weight:
- 1.14 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- FORGED STEEL
- ENGINE TYPE:
- 4-STROKE
$165.95 -
PROX Connecting Rod Kit 03.6340
PROX
$165.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230282- SKU:
- 09230282
- Availability:
- Ships Same Business Day
- Weight:
- 1.22 LBS
- FEATURES:
- INCLUDES THRUST WASHERS
- MATERIAL:
- FORGED STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
$165.95 -
PROX Connecting Rod Kit 03.6519
PROX
$199.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230283- SKU:
- 09230283
- Availability:
- Ships Same Business Day
- Weight:
- 2.38 LBS
- UNITS:
- EACH
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- FORGED STEEL
$199.95 -
PROX Connecting Rod Kit - Yamaha YFZ450 03.2436
PROX
$175.95Come complete with crankpin, big-end bearing, small-end bearing and washers, Easy to install09230231- SKU:
- 09230231
- Availability:
- Ships Same Business Day
- Weight:
- 1.56 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- ATV
- MATERIAL:
- FORGED
- MATERIAL:
- STEEL
- UNITS:
- KIT
$175.95 -
PROX Connecting Rod Kit - Honda XL125S 03.1253
PROX
$94.95Come complete with crankpin, big-end bearing, small-end bearing and washers, Easy to install09230234- SKU:
- 09230234
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- ENGINE TYPE:
- 4-STROKE
- MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$94.95 -
PROX Connecting Rod Kit 03.6427
PROX
$179.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230235- SKU:
- 09230235
- Availability:
- Ships Same Business Day
- Weight:
- 1.71 LBS
- UNITS:
- EACH
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CONNECTING ROD KIT
- MATERIAL:
- FORGED STEEL
- RIDING STYLE:
- OFF-ROAD
$179.95 -
PROX Connecting Rod Kit 03.1405
PROX
$175.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230239- SKU:
- 09230239
- Availability:
- Ships Same Business Day
- Weight:
- 1.71 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- FEATURES:
- INCLUDES THRUST WASHERS
- MATERIAL:
- FORGED STEEL
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- ATV
$175.95 -
PROX Connecting Rod Kit 03.6428
PROX
$179.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230246- SKU:
- 09230246
- Availability:
- Ships Same Business Day
- Weight:
- 1.77 LBS
- ENGINE TYPE:
- 4-STROKE
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$179.95
