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 Inner Clutch Hub - KX250/X 18.4351
PROX
$64.95Inner Clutch Hub - KX250/X Manufactured with OEM-specified aluminum, Precision cast and machined, Same as OEM replacement; fit both stock and aftermarket primary clutch baskets11321874- SKU:
- 11321874
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$64.95 -
PROX Inner Clutch Hub - Kawasaki 18.4406
PROX
$74.95Inner Clutch Hub - Kawasaki Manufactured with OEM-specified aluminum, Precision cast and machined, Same as OEM replacement; fit both stock and aftermarket primary clutch baskets11321875- SKU:
- 11321875
- Availability:
- Ships Same Business Day
- Weight:
- 1.09 LBS
$74.95 -
PROX Inner Clutch Hub - KX450F/X 18.4411
PROX
$74.95Inner Clutch Hub - KX450F/X Manufactured with OEM-specified aluminum, Precision cast and machined, Same as OEM replacement; fit both stock and aftermarket primary clutch baskets11321876- SKU:
- 11321876
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$74.95 -
PROX Clutch Slave Cylinder Rebuild Kit - Husqvarna 16.950012
PROX
$65.95Clutch Slave Cylinder Rebuild Kit - Husqvarna Wide range of applications, Kit contains all necessary components to rebuild your clutch cylinder, Designed and manufactured to meet or exceed OEM parts11321878- SKU:
- 11321878
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
$65.95 -
PROX Clutch Slave Cylinder Rebuild Kit - Gas Gas/Husqvarna/KTM 16.950013
PROX
$65.95Clutch Slave Cylinder Rebuild Kit - Gas Gas/Husqvarna/KTM Wide range of applications, Kit contains all necessary components to rebuild your clutch cylinder, Designed and manufactured to meet or...11321879- SKU:
- 11321879
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
$65.95 -
PROX Clutch Slave Cylinder Rebuild Kit - Gas Gas/Husqvarna/KTM 16.950014
PROX
$65.95Clutch Slave Cylinder Rebuild Kit - Gas Gas/Husqvarna/KTM Wide range of applications, Kit contains all necessary components to rebuild your clutch cylinder, Designed and manufactured to meet or...11321880- SKU:
- 11321880
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
$65.95 -
PROX Clutch Slave Cylinder Rebuild Kit - Gas Gas/Husqvarna/KTM 16.950015
PROX
$65.95Clutch Slave Cylinder Rebuild Kit - 16.950015 Compatible with Gas Gas, Husqvarna, and KTM models Comprehensive kit includes all essential components for a complete rebuild Engineered to...11321881- SKU:
- 11321881
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$65.95 -
PROX Clutch Slave Cylinder Rebuild Kit - KX250/450F/X 16.950016
PROX
$34.95Clutch Slave Cylinder Rebuild Kit - KX250/450F/X Wide range of applications, Kit contains all necessary components to rebuild your clutch cylinder, Designed and manufactured to meet or exceed OEM...11321882- SKU:
- 11321882
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
$34.95 -
PROX Clutch Slave Cylinder Rebuild Kit - 690 Enduro R 16.950038
PROX
$65.95Clutch Slave Cylinder Rebuild Kit - 690 Enduro R Wide range of applications, Kit contains all necessary components to rebuild your clutch cylinder, Designed and manufactured to meet or exceed OEM...11321883- SKU:
- 11321883
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$65.95 -
PROX Clutch Slave Cylinder Rebuild Kit - CRF 450R/RX 16.950040
PROX
$34.95Clutch Slave Cylinder Rebuild Kit - CRF 450R/RX Wide range of applications, Kit contains all necessary components to rebuild your clutch cylinder, Designed and manufactured to meet or exceed OEM parts11321884- SKU:
- 11321884
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$34.95 -
PROX Friction Plate Set - CRF250R/RX 16.S13093
PROX
$99.95Friction Plate Set - 16.S13093 Engineered by top OEM manufacturers for superior quality. Designed to meet precise OEM specifications for optimal performance. Ensures smooth clutch...11313914- SKU:
- 11313914
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
$99.95 -
PROX Friction Plate Set - CRF250R/RX 16.S13094
PROX
$109.95Friction Plate Set - 16.S13094 Engineered for CRF250R/RX models for optimal compatibility. Manufactured by top OEM factories to ensure high-quality standards. Designed to meet exact OEM...11313915- SKU:
- 11313915
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
$109.95 -
PROX Friction Plate Set - CRF450R/L/X/RX 16.S14091
PROX
$79.95Friction Plate Set - CRF450R/L/X/RX Manufactured by leading OEM factories, Made to exact OEM specifications to offer maximum performance, smooth clutch operation and durability, Complete pack of...11313916- SKU:
- 11313916
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
$79.95 -
PROX Friction Plate Set - YZ65 16.S20018
PROX
$59.95Friction Plate Set - YZ65 Manufactured by leading OEM factories, Made to exact OEM specifications to offer maximum performance, smooth clutch operation and durability, Complete pack of friction...11313917- SKU:
- 11313917
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$59.95 -
PROX Friction Plate Set - Yamaha 16.S23065
PROX
$99.95Friction Plate Set - Yamaha Manufactured by leading OEM factories, Made to exact OEM specifications to offer maximum performance, smooth clutch operation and durability, Complete pack of friction...11313918- SKU:
- 11313918
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$99.95 -
PROX Friction Plate Set - YZ450F 16.S24066
PROX
$119.95Friction Plate Set - YZ450F Manufactured by leading OEM factories, Made to exact OEM specifications to offer maximum performance, smooth clutch operation and durability, Complete pack of friction...11313919- SKU:
- 11313919
- Availability:
- Ships Same Business Day
- Weight:
- 0.93 LBS
$119.95 -
PROX Friction Plate Set - KX250/X 16.S43041
PROX
$119.95Friction Plate Set - KX250/X Manufactured by leading OEM factories, Made to exact OEM specifications to offer maximum performance, smooth clutch operation and durability, Complete pack of friction...11313920- SKU:
- 11313920
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
$119.95 -
PROX Friction Plate Set - KX450F 16.S44029
PROX
$99.95Friction Plate Set - KX450F Manufactured by leading OEM factories, Made to exact OEM specifications to offer maximum performance, smooth clutch operation and durability, Complete pack of friction...11313921- SKU:
- 11313921
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$99.95 -
PROX Friction Plate Set - Gas Gas/Husqvarma/KTM 16.S53009
PROX
$99.95Friction Plate Set - Gas Gas/Husqvarma/KTM Manufactured by leading OEM factories, Made to exact OEM specifications to offer maximum performance, smooth clutch operation and durability, Complete pack...11313924- SKU:
- 11313924
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$99.95 -
PROX Friction Plate Set - SE 2.5/3.0 i-F 16.S73008
PROX
$99.95Friction Plate Set - SE 2.5/3.0 i-F Manufactured by leading OEM factories, Made to exact OEM specifications to offer maximum performance, smooth clutch operation and durability, Complete pack of...11313925- SKU:
- 11313925
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$99.95 -
PROX Steel Plate Set - CRF250R/RX 16.S13095
PROX
$74.95Steel Plate Set - CRF250R/RX Made to exact OEM specifications, offers maximum performance and durability, Complete steel plate set, allows for easy replacement, Can be used with other ProX OEM clutch...11313927- SKU:
- 11313927
- Availability:
- Ships Same Business Day
- Weight:
- 1.14 LBS
$74.95 -
PROX Steel Plate Set - CRF450R/L/X/RX 16.S14092
PROX
$59.95Steel Plate Set - CRF450R/L/X/RX Made to exact OEM specifications, offers maximum performance and durability, Complete steel plate set, allows for easy replacement, Can be used with other ProX OEM...11313928- SKU:
- 11313928
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$59.95 -
PROX Steel Plate Set - YZ65 16.S20019
PROX
$25.95Steel Plate Set - YZ65 Made to exact OEM specifications, offers maximum performance and durability, Complete steel plate set, allows for easy replacement, Can be used with other ProX OEM clutch...11313929- SKU:
- 11313929
- Availability:
- Ships Same Business Day
- Weight:
- 0.77 LBS
$25.95 -
PROX Steel Plate Set - YZ450F 16.S24067
PROX
$74.95Steel Plate Set - YZ450F Made to exact OEM specifications, offers maximum performance and durability, Complete steel plate set, allows for easy replacement, Can be used with other ProX OEM clutch...11313930- SKU:
- 11313930
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$74.95 -
PROX Steel Plate Set - KX250/X 16.S43042
PROX
$49.95Steel Plate Set - KX250/X Made to exact OEM specifications, offers maximum performance and durability, Complete steel plate set, allows for easy replacement, Can be used with other ProX OEM clutch...11313931- SKU:
- 11313931
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
$49.95 -
PROX Crankshaft Bearing/Seal Kit - Gas Gas/Husqvarna/KTM 23.CBS63017
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...09240707- SKU:
- 09240707
- Availability:
- Ships Same Business Day
- Weight:
- 1.03 LBS
$159.95 -
PROX Clutch Basket - Honda 17.1220F
PROX
$259.95Clutch Basket - Honda Precision machined from heat treated aircraft Billet 7075-T6 aluminum alloy to O.E. precision standards, Each kit comes with the necessary hardware to make installation a snap,...11321964- SKU:
- 11321964
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$259.95 -
PROX Clutch Basket - Honda 17.1403F
PROX
$289.95Clutch Basket - Honda Precision machined from heat treated aircraft Billet 7075-T6 aluminum alloy to O.E. precision standards, Each kit comes with the necessary hardware to make installation a snap,...11321965- SKU:
- 11321965
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
$289.95 -
PROX Clutch Basket - RM 125 17.3292F
PROX
$259.95Clutch Basket - RM 125 Precision machined from heat treated aircraft Billet 7075-T6 aluminum alloy to O.E. precision standards, Each kit comes with the necessary hardware to make installation a snap,...11321966- SKU:
- 11321966
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
$259.95 -
PROX Clutch Basket - RM 250 17.3396F
PROX
$259.95Clutch Basket - RM 250 Precision machined from heat treated aircraft Billet 7075-T6 aluminum alloy to O.E. precision standards, Each kit comes with the necessary hardware to make installation a snap,...11321968- SKU:
- 11321968
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$259.95 -
PROX Clutch Plate Set - SX 60/65 16.CPS60098
PROX
$99.95Clutch Plate Set - SX 60/65 Sets contain all friction plates and steels required per application for easy replacement, Manufactured by the leading OEM factories, Steel plates offer longevity,...11313952- SKU:
- 11313952
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
$99.95 -
PROX Clutch Plate Set - Banshee 350 16.CPS23087
PROX
$139.95Clutch Plate Set - Banshee 350 Sets contain all friction plates and steels required per application for easy replacement, Manufactured by the leading OEM factories, Steel plates offer longevity,...11312531- SKU:
- 11312531
- Availability:
- Ships Same Business Day
- Weight:
- 1.42 LBS
$139.95 -
PROX Clutch Plate Set - YZ 450F 16.CPS24014
PROX
$149.95Clutch Plate Set - YZ 450F Sets contain all friction plates and steels required per application for easy replacement, Manufactured by the leading OEM factories, Steel plates offer longevity,...11312542- SKU:
- 11312542
- Availability:
- Ships Same Business Day
- Weight:
- 2.18 LBS
$149.95 -
PROX Clutch Plate Set - CR 250R 16.CPS13097
PROX
$219.95Clutch Plate Set - CR 250R Sets contain all friction plates and steels required per application for easy replacement, Manufactured by the leading OEM factories, Steel plates offer longevity,...11312509- SKU:
- 11312509
- Availability:
- Ships Same Business Day
- Weight:
- 1.54 LBS
$219.95 -
PROX Clutch Plate Set - Gas Gas/Yamaha 16.CPS23001
PROX
$169.95Clutch Plate Set - Gas Gas/Yamaha Sets contain all friction plates and steels required per application for easy replacement, Manufactured by the leading OEM factories, Steel plates offer longevity,...11312526- SKU:
- 11312526
- Availability:
- Ships Same Business Day
- Weight:
- 1.66 LBS
$169.95 -
PROX Clutch Plate Set - YZ 250/X 16.CPS23002
PROX
$169.95Clutch Plate Set - YZ 250/X Sets contain all friction plates and steels required per application for easy replacement, Manufactured by the leading OEM factories, Steel plates offer longevity,...11312527- SKU:
- 11312527
- Availability:
- Ships Same Business Day
- Weight:
- 2.19 LBS
$169.95 -
PROX Clutch Plate Set - Kawasaki 16.CPS41098
PROX
$119.95Clutch Plate Set - Kawasaki Sets contain all friction plates and steels required per application for easy replacement, Manufactured by the leading OEM factories, Steel plates offer longevity,...11312562- SKU:
- 11312562
- Availability:
- Ships Same Business Day
- Weight:
- 0.99 LBS
$119.95 -
PROX Clutch Plate Set - KTM/Husqvarna/Husaberg 16.CPS62008
PROX
$159.95Clutch Plate Set - KTM/Husqvarna/Husaberg Sets contain all friction plates and steels required per application for easy replacement, Manufactured by the leading OEM factories, Steel plates offer...11312576- SKU:
- 11312576
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
$159.95 -
PROX Clutch Plate Set - CRF 450R/RX 16.CPS14017
PROX
$179.95Clutch Plate Set - CRF 450R/RX Sets contain all friction plates and steels required per application for easy replacement, Manufactured by the leading OEM factories, Steel plates offer longevity,...11313148- SKU:
- 11313148
- Availability:
- Ships Same Business Day
- Weight:
- 2.02 LBS
$179.95 -
PROX Clutch Plate Set - Gas Gas/Husqvarna/KTM 16.CPS63029
PROX
$139.95Clutch Plate Set - 16.CPS63029 Complete set includes all necessary friction plates and steel plates for seamless replacement. Manufactured by top OEM factories, ensuring superior quality and...11313621- SKU:
- 11313621
- Availability:
- Ships Same Business Day
- Weight:
- 1.39 LBS
$139.95
