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 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 03.4340
PROX
$165.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230280- SKU:
- 09230280
- Availability:
- Ships Same Business Day
- Weight:
- 1.17 LBS
- UNITS:
- EACH
- ENGINE TYPE:
- 4-STROKE
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
$165.95Qty in Cart: 0Quantity:Price:$165.95Subtotal: -
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 -
PROX Connecting Rod 03.3408
PROX
$175.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230250- SKU:
- 09230250
- Availability:
- Ships Same Business Day
- Weight:
- 1.58 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
- MATERIAL:
- FORGED STEEL
$175.95 -
PROX Connecting Rod 03.1315
PROX
$119.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230125- SKU:
- 09230125
- Availability:
- Ships Same Business Day
- Weight:
- 1.08 LBS
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED STEEL
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$119.95 -
PROX Connecting Rod 03.1334
PROX
$165.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230127- SKU:
- 09230127
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- ENGINE TYPE:
- 4-STROKE
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- INCLUDES THRUST WASHERS
- UNITS:
- EACH
$165.95 -
PROX Connecting Rod 03.6220
PROX
$119.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230128- SKU:
- 09230128
- Availability:
- Ships Same Business Day
- Weight:
- 0.79 LBS
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$119.95 -
PROX Connecting Rod 03.4022
PROX
$109.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230130- SKU:
- 09230130
- Availability:
- Ships Same Business Day
- Weight:
- 0.49 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$109.95 -
PROX Connecting Rod 03.4309
PROX
$119.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230131- SKU:
- 09230131
- Availability:
- Ships Same Business Day
- Weight:
- 1.12 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- FORGED STEEL
$119.95 -
PROX Connecting Rod 03.4118
PROX
$109.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230132- SKU:
- 09230132
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- UNITS:
- EACH
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
$109.95 -
PROX Connecting Rod 03.2217
PROX
$119.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230133- SKU:
- 09230133
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED STEEL
$119.95 -
PROX Connecting Rod 03.1105
PROX
$109.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230134- SKU:
- 09230134
- Availability:
- Ships Same Business Day
- Weight:
- 0.53 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- CONNECTING ROD KIT
- ENGINE TYPE:
- 2-STROKE
- FEATURES:
- INCLUDES THRUST WASHERS
- MATERIAL:
- FORGED STEEL
- RIDING STYLE:
- OFF-ROAD
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
PROX Connecting Rod 03.3219
PROX
$119.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230135- SKU:
- 09230135
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED STEEL
$119.95 -
PROX Connecting Rod 03.2309
PROX
$119.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230136- SKU:
- 09230136
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- UNITS:
- EACH
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
$119.95 -
PROX Connecting Rod 03.4108
PROX
$109.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230137- SKU:
- 09230137
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- UNITS:
- EACH
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
$109.95 -
PROX Connecting Rod 03.3310
PROX
$119.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230139- SKU:
- 09230139
- Availability:
- Ships Same Business Day
- Weight:
- 1.08 LBS
- MATERIAL:
- FORGED STEEL
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
PROX Connecting Rod 03.2306
PROX
$119.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230140- SKU:
- 09230140
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
- MATERIAL:
- FORGED STEEL
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$119.95 -
PROX Connecting Rod 03.6104
PROX
$109.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230141- SKU:
- 09230141
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED STEEL
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CONNECTING ROD KIT
- UNITS:
- EACH
$109.95 -
PROX Connecting Rod 03.2403
PROX
$165.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230142- SKU:
- 09230142
- Availability:
- Ships Same Business Day
- Weight:
- 1.19 LBS
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- ENGINE TYPE:
- 4-STROKE
$165.95 -
PROX Connecting Rod 03.2221
PROX
$119.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230143- SKU:
- 09230143
- Availability:
- Ships Same Business Day
- Weight:
- 0.78 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED STEEL
- UNITS:
- EACH
$119.95 -
PROX Connecting Rod 03.2105
PROX
$109.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230144- SKU:
- 09230144
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- FORGED STEEL
$109.95 -
PROX Connecting Rod 03.2420
PROX
$175.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230145- SKU:
- 09230145
- Availability:
- Ships Same Business Day
- Weight:
- 1.52 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- MATERIAL:
- FORGED STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$175.95 -
PROX Connecting Rod 03.2310F
PROX
$119.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230146- SKU:
- 09230146
- Availability:
- Ships Same Business Day
- Weight:
- 0.78 LBS
- ENGINE TYPE:
- 2-STROKE
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$119.95 -
PROX Connecting Rod 03.1322
PROX
$119.95Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install09230147- SKU:
- 09230147
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- ENGINE TYPE:
- 2-STROKE
- FEATURES:
- INCLUDES THRUST WASHERS
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$119.95
