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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- Price
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PROX Gasket Kit - Complete - Suzuki 34.3316
PROX
$114.95Gasket Kit - Complete - Suzuki Includes all necessary top-quality gaskets, rubber parts and valve stem seals to rebuild top-end and complete engines, respectively09345576- SKU:
- 09345576
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$114.95 -
PROX Top End Gasket Set - Kawasaki KX 450 F 35.4419
PROX
$89.95Top End Gasket Set - Kawasaki KX 450 F Offer any gasket you need for a top-end rebuild, Precision engineering and the use of first-class materials guarantee the quality you demand09345771- SKU:
- 09345771
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$89.95 -
PROX Top End Gasket Set - Honda 35.1348
PROX
$84.95Top End Gasket Set - 35.1348 Complete gasket set for Honda top-end rebuilds Includes all necessary gaskets for a comprehensive repair Precision-engineered for a perfect fit and optimal...09347108- SKU:
- 09347108
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$84.95 -
PROX Top End Gasket Set - Honda 35.1386
PROX
$39.95Top End Gasket Set - Honda Offer any gasket you need for a top-end rebuild, Precision engineering and the use of first-class materials guarantee the quality you demand09347109- SKU:
- 09347109
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$39.95 -
PROX Top End Gasket Set - Honda 35.1419
PROX
$84.95Top End Gasket Set - Honda Offer any gasket you need for a top-end rebuild, Precision engineering and the use of first-class materials guarantee the quality you demand09347111- SKU:
- 09347111
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$84.95 -
PROX Top End Gasket Set - Honda TRX350 Rancher TM 35.1480
PROX
$64.95Top End Gasket Set - Honda TRX350 Rancher TM Offer any gasket you need for a top-end rebuild, Precision engineering and the use of first-class materials guarantee the quality you demand09347112- SKU:
- 09347112
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$64.95 -
PROX Top End Gasket Set - Honda 35.1498
PROX
$64.95Top End Gasket Set - 35.1498 Comprehensive set designed for Honda top-end rebuilds. Includes all necessary gaskets for a complete overhaul. Engineered with precision for a perfect fit...09347115- SKU:
- 09347115
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$64.95 -
PROX Top End Gasket Set - Honda 35.1499
PROX
$39.95Top End Gasket Set - Honda Offer any gasket you need for a top-end rebuild, Precision engineering and the use of first-class materials guarantee the quality you demand09347116- SKU:
- 09347116
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$39.95 -
PROX Top End Gasket Set - Honda XR650L 35.1623
PROX
$64.95Top End Gasket Set - Honda XR650L Offer any gasket you need for a top-end rebuild, Precision engineering and the use of first-class materials guarantee the quality you demand09347118- SKU:
- 09347118
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$64.95 -
PROX Top End Gasket Set - Husqvarna/Gas Gas/KTM 35.6216
PROX
$69.95Top End Gasket Set - 35.6216 Comprehensive gasket set for top-end rebuilds Compatible with Husqvarna, Gas Gas, and KTM models Precision-engineered for optimal fit and performance ...09347147- SKU:
- 09347147
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$69.95 -
PROX Top End Gasket Set - Husqvarna/Gas Gas/KTM 35.6319
PROX
$89.95Top End Gasket Set - 35.6319 Complete gasket set for top-end rebuilds on Husqvarna, Gas Gas, and KTM models. Crafted from high-quality materials for durability and performance. ...09347151- SKU:
- 09347151
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
$89.95 -
On Sale
PROX Piston Kit - 71.94 mm - Gas Gas | Husqvarna | KTM 01.6388.A
PROX
MSRP: $209.59Now: $136.00Was: $209.59Piston Kit - 71.94 mm - Gas Gas | Husqvarna | KTM Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications,...09106266- SKU:
- 09106266
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
MSRP: $209.59Now: $136.00Was: $209.59 -
PROX Gasket Kit - Complete - Suzuki/Kawasaki 34.4021
PROX
$59.95Gasket Kit - Complete - 34.4021 Comprehensive kit for rebuilding top-end and complete engines Includes high-quality gaskets and rubber components Features durable valve stem seals for...09345587- SKU:
- 09345587
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$59.95 -
PROX Gasket Kit - Complete - Suzuki/Kawasaki 34.4100
PROX
$44.95Gasket Kit - Complete - Suzuki/Kawasaki 34.41 Comprehensive kit for top-end and complete engine rebuilds Includes high-quality gaskets and rubber components Features durable valve stem...09345589- SKU:
- 09345589
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$44.95 -
PROX Top End Gasket Set - Honda CRF450R 35.1429
PROX
$104.95Top End Gasket Set - Honda CRF450R Offer any gasket you need for a top-end rebuild, Precision engineering and the use of first-class materials guarantee the quality you demand09345683- SKU:
- 09345683
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$104.95 -
PROX Crankshaft Oil Seal Set - Kawasaki 42.4351
PROX
$24.95Crankshaft Oil Seal Set - Kawasaki Manufactered from high quality base materials and are made to OEM specs and tolerances to guarantee quality and superior durability, All seals necessary for...09351278- SKU:
- 09351278
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$24.95 -
PROX Crankshaft Oil Seal Set - Beta 42.7218
PROX
$19.95Crankshaft Oil Seal Set - 42.7218 High-quality base materials ensure long-lasting performance. Manufactured to OEM specifications for perfect fit and function. Includes all necessary...09351279- SKU:
- 09351279
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
$19.95 -
PROX Crankshaft Oil Seal Set - Beta 42.7220
PROX
$19.95Crankshaft Oil Seal Set - Beta Manufactered from high quality base materials and are made to OEM specs and tolerances to guarantee quality and superior durability, All seals necessary for complete...09351280- SKU:
- 09351280
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
$19.95 -
PROX Crankshaft Oil Seal Set - Beta 42.7350
PROX
$29.95Crankshaft Oil Seal Set - Beta Manufactered from high quality base materials and are made to OEM specs and tolerances to guarantee quality and superior durability, All seals necessary for complete...09351281- SKU:
- 09351281
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
$29.95 -
PROX Repair Kit - Master Cylinder - Clutch 16.940010
PROX
$34.95Repair Kit - Master Cylinder - Clutch 16.94001 Comprehensive kit for clutch cylinder repairs Includes all essential components for a complete rebuild Compatible with a wide range of...06170426- SKU:
- 06170426
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$34.95 -
PROX Repair Kit - Master Cylinder - Clutch 16.940011
PROX
$49.95Repair Kit - Master Cylinder - Clutch 16.940011 Comprehensive kit for clutch cylinder restoration Includes all essential components for a complete rebuild Compatible with a wide variety...06170428- SKU:
- 06170428
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$49.95 -
PROX Repair Kit - Master Cylinder - Clutch 16.940012
PROX
$49.95Repair Kit - Master Cylinder - Clutch Wide range of applications, Kit contains all necessary components to rebuild your clutch cylinder, Designed and manufactured to meet or exceed OEM parts06170429- SKU:
- 06170429
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
$49.95 -
PROX Repair Kit - Master Cylinder - Clutch 16.940014
PROX
$29.95Repair Kit - Master Cylinder - Clutch Wide range of applications, Kit contains all necessary components to rebuild your clutch cylinder, Designed and manufactured to meet or exceed OEM parts06170430- SKU:
- 06170430
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$29.95 -
PROX Repair Kit - Master Cylinder - Clutch 16.940029
PROX
$29.95Repair Kit - Master Cylinder - Clutch Wide range of applications, Kit contains all necessary components to rebuild your clutch cylinder, Designed and manufactured to meet or exceed OEM parts06170432- SKU:
- 06170432
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$29.95 -
PROX Repair Kit - Master Cylinder - Clutch 16.940030
PROX
$34.95Repair Kit - Master Cylinder - Clutch 16.94003 Comprehensive kit for clutch cylinder repair Includes all essential components for a complete rebuild Compatible with a wide range of...06170433- SKU:
- 06170433
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$34.95 -
PROX Connecting Rod Kit - Honda 03.1363
PROX
$165.95Connecting Rod Kit - Honda Designed to exact OEM specifications, Double forged to maintain superior strength, durability and dimensional consistency through improved grain flow09230694- SKU:
- 09230694
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$165.95 -
PROX Connecting Rod Kit - Yamaha 03.2018
PROX
$109.95Connecting Rod Kit - 03.2018 Engineered to meet OEM specifications for flawless compatibility. Double forged construction ensures exceptional strength and longevity. Precision...09230695- SKU:
- 09230695
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$109.95 -
PROX Connecting Rod Kit - Yamaha 03.2232
PROX
$119.95Connecting Rod Kit - Yamaha 03.2232 Engineered to meet original equipment manufacturer standards for perfect fit and performance. Double forged construction ensures exceptional strength and...09230696- SKU:
- 09230696
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$119.95 -
PROX Connecting Rod Kit - Gas Gas | Yamaha 03.2432
PROX
$175.95Connecting Rod Kit - Gas Gas | Yamaha Designed to exact OEM specifications, Double forged to maintain superior strength, durability and dimensional consistency through improved grain flow09230697- SKU:
- 09230697
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
$175.95 -
PROX Connecting Rod Kit - Husaberg | Husqvarna | KTM 03.6333
PROX
$229.95Connecting Rod Kit - Husaberg | Husqvarna | KTM Designed to exact OEM specifications, Double forged to maintain superior strength, durability and dimensional consistency through improved grain flow09230699- SKU:
- 09230699
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$229.95 -
PROX Connecting Rod Kit - Beta 03.7322
PROX
$129.95Connecting Rod Kit - Beta Designed to exact OEM specifications, Double forged to maintain superior strength, durability and dimensional consistency through improved grain flow09230702- SKU:
- 09230702
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
$129.95 -
PROX Crankshaft Bearing/Seal Kit - Honda 23.CBS14005
PROX
$129.95Crankshaft Bearing/Seal Kit - Honda Manufactured at leading OEM factories, Made to exact OEM specifications, to ensure maximum quality and performance, Includes all necessary bearings/seals for a...09240701- SKU:
- 09240701
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
$129.95 -
PROX Crankshaft Bearing/Seal Kit - Kawasaki 23.CBS43051
PROX
$99.95Crankshaft Bearing/Seal Kit - Kawasaki Manufactured at leading OEM factories, Made to exact OEM specifications, to ensure maximum quality and performance, Includes all necessary bearings/seals for a...09240702- SKU:
- 09240702
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$99.95 -
PROX Crankshaft Bearing/Seal Kit - KTM 23.CBS60001
PROX
$35.95Crankshaft Bearing/Seal Kit - KTM Manufactured at leading OEM factories, Made to exact OEM specifications, to ensure maximum quality and performance, Includes all necessary bearings/seals for a...09240703- SKU:
- 09240703
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$35.95 -
PROX Crankshaft Bearing/Seal Kit - KTM 23.CBS60009
PROX
$39.95Crankshaft Bearing/Seal Kit - KTM Manufactured at leading OEM factories, Made to exact OEM specifications, to ensure maximum quality and performance, Includes all necessary bearings/seals for a...09240704- SKU:
- 09240704
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$39.95 -
PROX Crankshaft Bearing/Seal Kit - Husaberg/Husqvarna/KTM 23.CBS63013
PROX
$175.95Crankshaft Bearing/Seal Kit - Husaberg/Husqvarna/KTM Manufactured at leading OEM factories, Made to exact OEM specifications, to ensure maximum quality and performance, Includes all necessary...09240705- SKU:
- 09240705
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$175.95 -
PROX Crankshaft Bearing/Seal Kit - Husqvarna/KTM 23.CBS63016
PROX
$169.95Crankshaft Bearing/Seal Kit - Husqvarna/KTM Manufactured at leading OEM factories, Made to exact OEM specifications, to ensure maximum quality and performance, Includes all necessary bearings/seals...09240706- SKU:
- 09240706
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$169.95 -
PROX Crankshaft Bearing/Seal Kit - KTM 23.CBS64007
PROX
$159.95Crankshaft Bearing/Seal Kit - KTM Manufactured at leading OEM factories, Made to exact OEM specifications, to ensure maximum quality and performance, Includes all necessary bearings/seals for a...09240708- SKU:
- 09240708
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$159.95 -
PROX Crankshaft Bearing/Seal Kit - Husaberg/Husqvarna/KTM 23.CBS64012
PROX
$89.95Crankshaft Bearing/Seal Kit - Husaberg/Husqvarna/KTM Manufactured at leading OEM factories, Made to exact OEM specifications, to ensure maximum quality and performance, Includes all necessary...09240709- SKU:
- 09240709
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$89.95 -
PROX Crankshaft Bearing/Seal Kit - Gas-Gas/Husqvarna/KTM 23.CBS64016
PROX
$159.95Crankshaft Bearing/Seal Kit - Gas-Gas/Husqvarna/KTM Manufactured at leading OEM factories, Made to exact OEM specifications, to ensure maximum quality and performance, Includes all necessary...09240710- SKU:
- 09240710
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$159.95
