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 Clutch Plate Set - YZ 250/X 16.CPS23002
PROX
MSRP: $177.95Now: $144.00Was: $177.95A worn or slipping clutch kills your throttle response and costs you critical power delivery on the track or trail. The PROX Clutch Plate Set for YZ 250/X delivers a complete friction and steel plate...11312527- SKU:
- 11312527
- Availability:
- Ships Same Business Day
- Weight:
- 2.19 LBS
MSRP: $177.95Now: $144.00Was: $177.95 -
On Sale
PROX Clutch Plate Set - Kawasaki 16.CPS41098
PROX
MSRP: $116.95Now: $102.00Was: $116.95OEM clutch plates wear down, robbing you of engagement precision and throttle response—especially under sustained racing conditions. The PROX Clutch Plate Set delivers a complete friction and steel...11312562- SKU:
- 11312562
- Availability:
- Ships Same Business Day
- Weight:
- 0.99 LBS
MSRP: $116.95Now: $102.00Was: $116.95Qty in Cart: 0Quantity:Price:MSRP: $116.95Now: $102.00Was: $116.95Subtotal: -
On Sale
PROX Clutch Plate Set - KX 250F 16.CPS43006
PROX
MSRP: $182.95Now: $158.00Was: $182.95A worn or slipping clutch costs you precious milliseconds on the track and control on every shift. The PROX Clutch Plate Set for KX 250F delivers OEM reliability with a 10% stiffer spring package...11312568- SKU:
- 11312568
- Availability:
- Ships Same Business Day
- Weight:
- 2.01 LBS
MSRP: $182.95Now: $158.00Was: $182.95 -
On Sale
PROX Clutch Plate Set - KTM/Husqvarna/Husaberg 16.CPS62008
PROX
MSRP: $160.95Now: $136.00Was: $160.95A worn or slipping clutch robs you of the immediate throttle response and control that separates competitive riders from the rest. The PROX Clutch Plate Set delivers OEM-level durability with...11312576- SKU:
- 11312576
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
MSRP: $160.95Now: $136.00Was: $160.95 -
On Sale
PROX Clutch Plate Set - CRF 450R/RX 16.CPS14017
PROX
MSRP: $171.95Now: $153.00Was: $171.95Stock clutch plates wear under high-load conditions, leading to slippage that costs you power delivery and control when you need it most. This ProX Clutch Plate Set restores your engagement precision...11313148- SKU:
- 11313148
- Availability:
- Ships Same Business Day
- Weight:
- 2.02 LBS
MSRP: $171.95Now: $153.00Was: $171.95Qty in Cart: 0Quantity:Price:MSRP: $171.95Now: $153.00Was: $171.95Subtotal: -
On Sale
PROX Clutch Plate Set - Gas Gas/Husqvarna/KTM 16.CPS63029
PROX
MSRP: $139.95Now: $119.00Was: $139.95Your clutch is the critical link between engine power and wheel traction—any slippage under load costs you acceleration and control. This PROX plate set replaces worn friction and steel plates with...11313621- SKU:
- 11313621
- Availability:
- Ships Same Business Day
- Weight:
- 1.39 LBS
MSRP: $139.95Now: $119.00Was: $139.95Qty in Cart: 0Quantity:Price:MSRP: $139.95Now: $119.00Was: $139.95Subtotal: -
On Sale
PROX Clutch Plate Set - Gas Gas/Husaberg/Husqvarna/KTM 16.CPS64012
PROX
MSRP: $171.95Now: $144.00Was: $171.95Dirt bike clutches take a beating in extreme conditions, and OEM plates alone won't cut it when you're pushing hard on the track or trail. The PROX Clutch Plate Set delivers OEM-quality steel plates...11313623- SKU:
- 11313623
- Availability:
- Ships Same Business Day
- Weight:
- 2.23 LBS
MSRP: $171.95Now: $144.00Was: $171.95 -
On Sale
PROX Clutch Plate Set - YZ 85 16.CPS21002
PROX
MSRP: $138.95Now: $110.00Was: $138.95A worn or slipping clutch kills performance and leaves you guessing about power delivery on the track or trail. The PROX Clutch Plate Set for YZ 85 gives you a complete, OEM-quality replacement that...11313624- SKU:
- 11313624
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
MSRP: $138.95Now: $110.00Was: $138.95 -
On Sale
PROX Clutch Plate Set - Gas Gas/Husqvarna/KTM 16.CPS61018
PROX
MSRP: $143.95Now: $110.00Was: $143.95Stock clutch plates wear down under aggressive riding, causing slippage and delayed power delivery when you need it most. This PROX Clutch Plate Set delivers a complete friction and steel plate...11313862- SKU:
- 11313862
- Availability:
- Ships Same Business Day
- Weight:
- 1.29 LBS
MSRP: $143.95Now: $110.00Was: $143.95 -
On Sale
PROX Cam Chain - 82RH2015 - 102 Links - Honda 31.1384
PROX
MSRP: $82.95Now: $68.00Was: $82.95A worn or damaged cam chain compromises valve timing precision and can lead to catastrophic engine damage if it breaks. The PROX 82RH2015 is engineered to OEM specifications and manufactured by Borg...09250356- SKU:
- 09250356
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $82.95Now: $68.00Was: $82.95 -
On Sale
PROX Cam Chain - 82RH2010 - 112 Links - Honda 31.1496
PROX
MSRP: $99.95Now: $64.00Was: $99.95A worn or failing cam chain compromises valve timing precision, leading to reduced power output, increased emissions, and potential engine damage. The PROX 82RH2010 is engineered to OEM...09250362- SKU:
- 09250362
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
MSRP: $99.95Now: $64.00Was: $99.95 -
On Sale
PROX Cam Chain - 92RH2010 - 114 Links - Gas Gas | Kawasaki | Suzuki | Yamaha 31.2402
PROX
MSRP: $77.95Now: $64.00Was: $77.95A worn or damaged cam chain compromises valve timing precision and can lead to catastrophic engine failure. The PROX 92RH2010 is engineered to OEM specifications with advanced metallurgy and pin...09250373- SKU:
- 09250373
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
MSRP: $77.95Now: $64.00Was: $77.95 -
On Sale
PROX Cam Chain - 82RH2010 - 128 Links - Gas Gas | Kawasaki | Suzuki 31.3403
PROX
MSRP: $94.29Now: $72.00Was: $94.29A worn or damaged cam chain directly compromises engine timing and reliability—especially critical on high-performance or frequently ridden machines. The PROX 82RH2010 is engineered to OEM...09250388- SKU:
- 09250388
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
MSRP: $94.29Now: $72.00Was: $94.29Qty in Cart: 0Quantity:Price:MSRP: $94.29Now: $72.00Was: $94.29Subtotal: -
On Sale
PROX Piston Kit - 85.00 mm - Arctic Cat 01.5811.000
PROX
MSRP: $119.95Now: $102.00Was: $119.95A worn or damaged piston directly compromises your sled's compression, power delivery, and overall reliability—especially in demanding riding conditions. The PROX 85.00 mm Piston Kit delivers...09105043- SKU:
- 09105043
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- UNITS:
- KIT
- BORE SIZE METRIC:
- 85.00 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
MSRP: $119.95Now: $102.00Was: $119.95Qty in Cart: 0Quantity:Price:MSRP: $119.95Now: $102.00Was: $119.95Subtotal: -
On Sale
PROX Piston - GP 760 Waverunner 01.2514.050
PROX
MSRP: $138.95Now: $110.00Was: $138.95Piston for watercraft applications09102745- SKU:
- 09102745
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- BORE SIZE METRIC:
- 84.50 MM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- WATERCRAFT
MSRP: $138.95Now: $110.00Was: $138.95 -
On Sale
PROX Piston - GP 760 Waverunner 01.2514.100
PROX
MSRP: $129.95Now: $110.00Was: $129.95Piston for watercraft applications09102747- SKU:
- 09102747
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- WATERCRAFT
- PISTON MATERIAL:
- ALUMINUM
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- EACH
- BORE SIZE METRIC:
- 85.00 MM
MSRP: $129.95Now: $110.00Was: $129.95Qty in Cart: 0Quantity:Price:MSRP: $129.95Now: $110.00Was: $129.95Subtotal: -
On Sale
PROX Ring Set 02.1111
PROX
MSRP: $24.95Now: $21.00Was: $24.95Piston rings are fundamental to engine sealing and compression—worn or substandard rings directly compromise power output, fuel efficiency, and oil consumption. The PROX Ring Set 02.1111 delivers...09120161- SKU:
- 09120161
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
- PISTON MATERIAL:
- ALUMINUM ALLOY
MSRP: $24.95Now: $21.00Was: $24.95 -
On Sale
PROX Piston Kit - KTM300EXC '17-'18 01.6387.B
PROX
MSRP: $189.95Now: $161.00Was: $189.95When your KTM 300 EXC demands peak performance and reliability, OEM-spec pistons are non-negotiable. The PROX Piston Kit delivers factory-equivalent durability with precision Japanese engineering,...09106265- SKU:
- 09106265
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
MSRP: $189.95Now: $161.00Was: $189.95Qty in Cart: 0Quantity:Price:MSRP: $189.95Now: $161.00Was: $189.95Subtotal: -
On Sale
PROX Ring Set 02.1402
PROX
MSRP: $54.95Now: $47.00Was: $54.95Proper ring sealing is fundamental to engine efficiency and longevity—worn or substandard rings cause blow-by, oil consumption, and power loss. The PROX Ring Set 02.1402 delivers OEM-equivalent...09120047- SKU:
- 09120047
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- SET
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
MSRP: $54.95Now: $47.00Was: $54.95Qty in Cart: 0Quantity:Price:MSRP: $54.95Now: $47.00Was: $54.95Subtotal: -
On Sale
PROX Piston Kit 01.1408.150
PROX
MSRP: $185.95Now: $158.00Was: $185.95When your engine demands reliability under extreme conditions, OEM-spec pistons are non-negotiable. The PROX Piston Kit 01.1408.150 delivers factory-matched performance with the precision engineering...09030820- SKU:
- 09030820
- Availability:
- Ships Same Business Day
- Weight:
- 1.34 LBS
- PISTON SIZE METRIC:
- +1.50 MM
- BORE SIZE METRIC:
- 90.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- EACH
- PRODUCT NAME:
- PISTON KIT
MSRP: $185.95Now: $158.00Was: $185.95 -
On Sale
PROX Valveshim - 10.00 x 2.60 - 5 pack 29.100260
PROX
MSRP: $9.95Now: $8.00Was: $9.95Valve shims are critical wear items in high-lift, high-RPM engines where precision clearance directly impacts valve timing and engine longevity. The PROX Valveshim 10.00 x 2.60 delivers...09261005- SKU:
- 09261005
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SHIM KIT
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 2.60 MM
MSRP: $9.95Now: $8.00Was: $9.95 -
On Sale
PROX Valveshim - 10.00 x 2.65 - 5 pack 29.100265
PROX
MSRP: $9.95Now: $8.00Was: $9.95Valve shim wear is one of the most common causes of valvetrain noise and loss of performance in high-revving engines. The PROX Valveshim delivers OEM-equivalent precision at a fraction of the cost,...09261006- SKU:
- 09261006
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- TYPE:
- VALVE
- PRODUCT NAME:
- SHIM KIT
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 2.65 MM
- RIDING STYLE:
- OFF-ROAD
MSRP: $9.95Now: $8.00Was: $9.95Qty in Cart: 0Quantity:Price:MSRP: $9.95Now: $8.00Was: $9.95Subtotal: -
On Sale
PROX Valveshim - 10.00 x 2.70 - 5 pack 29.100270
PROX
MSRP: $9.95Now: $8.00Was: $9.95Valve shims are critical wear items that directly impact your engine's valve clearance, compression ratio, and overall performance consistency. PROX Valveshims deliver precision-engineered...09261007- SKU:
- 09261007
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.70 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SHIM KIT
- UNITS:
- 5 PACK
- RIDING STYLE:
- OFF-ROAD
MSRP: $9.95Now: $8.00Was: $9.95 -
On Sale
PROX Valveshim - 10.00 x 2.75 - 5 pack 29.100275
PROX
MSRP: $9.95Now: $8.00Was: $9.95Valve shim maintenance is critical to engine performance and longevity, yet OEM replacements come with premium pricing that adds up quickly across multiple shims. The PROX Valveshim 10.00 x 2.75...09261008- SKU:
- 09261008
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- VALVE SHIM THICKNESS METRIC:
- 2.75 MM
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
MSRP: $9.95Now: $8.00Was: $9.95 -
On Sale
PROX Valveshim - 10.00 x 2.80 - 5 pack 29.100280
PROX
MSRP: $9.95Now: $8.00Was: $9.95Valve shim wear directly impacts engine timing precision and performance—especially critical in high-revving builds where tolerance stacking compounds over time. PROX Valveshims deliver...09261009- SKU:
- 09261009
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.80 MM
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
MSRP: $9.95Now: $8.00Was: $9.95 -
On Sale
PROX Valveshim - 10.00 x 2.85 - 5 pack 29.100285
PROX
MSRP: $9.95Now: $8.00Was: $9.95Valve shim replacement is one of the most routine maintenance tasks in performance engine building, and using quality OEM-equivalent parts directly impacts your engine's longevity and reliability...09261010- SKU:
- 09261010
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 2.85 MM
- PRODUCT NAME:
- SHIM KIT
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- RIDING STYLE:
- OFF-ROAD
MSRP: $9.95Now: $8.00Was: $9.95 -
On Sale
PROX Valveshim - 10.00 x 2.90 - 5 pack 29.100290
PROX
MSRP: $9.95Now: $8.00Was: $9.95Valve shim replacement is a critical maintenance task that directly impacts engine performance, valve timing accuracy, and overall reliability. The PROX Valveshim offers a cost-effective alternative...09261011- SKU:
- 09261011
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- PRODUCT NAME:
- SHIM KIT
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.90 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
MSRP: $9.95Now: $8.00Was: $9.95 -
On Sale
PROX Valveshim - 10.00 x 2.95 - 5 pack 29.100295
PROX
MSRP: $9.95Now: $8.00Was: $9.95Valve shimming is critical to maintaining precise valve clearances, and worn or damaged shims directly compromise engine performance and longevity. The PROX Valveshim 10.00 x 2.95 delivers...09261012- SKU:
- 09261012
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.95 MM
MSRP: $9.95Now: $8.00Was: $9.95Qty in Cart: 0Quantity:Price:MSRP: $9.95Now: $8.00Was: $9.95Subtotal: -
On Sale
PROX Valveshim - 10.00 x 3.00 - 5 pack 29.100300
PROX
MSRP: $9.95Now: $8.00Was: $9.95Valve shims are critical wear items that directly impact your engine's valve clearance and overall performance. The PROX 10.00 x 3.00 Valveshim delivers precision engineering at a fraction of OEM...09261013- SKU:
- 09261013
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 3.00 MM
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
MSRP: $9.95Now: $8.00Was: $9.95Qty in Cart: 0Quantity:Price:MSRP: $9.95Now: $8.00Was: $9.95Subtotal: -
On Sale
PROX Valveshim - 10.00 x 3.05 - 5 pack 29.100305
PROX
MSRP: $9.95Now: $8.00Was: $9.95Valve shim clearance directly impacts engine performance, longevity, and reliability—and worn or incorrect shims lead to costly valve damage and downtime. The PROX Valveshim offers...09261014- SKU:
- 09261014
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- SHIM KIT
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 3.05 MM
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- VALVE
MSRP: $9.95Now: $8.00Was: $9.95 -
On Sale
PROX Valveshim - 10.00 x 3.20 - 5 pack 29.100320
PROX
MSRP: $9.95Now: $8.00Was: $9.95Valve shim wear directly impacts engine timing and compression—critical factors in maintaining peak performance and reliability. PROX Valveshims deliver OEM-quality replacement at a fraction of the...09261017- SKU:
- 09261017
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 3.20 MM
- PRODUCT NAME:
- SHIM KIT
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- TYPE:
- VALVE
MSRP: $9.95Now: $8.00Was: $9.95 -
On Sale
PROX Valve and Spring Kit 28.SIS1405-2
PROX
MSRP: $143.95Now: $119.00Was: $143.95If you're running your engine hard at high RPM, stock valve springs will eventually fail you—they simply aren't engineered for sustained extreme conditions. The PROX Valve and Spring Kit 28.SIS1405-2...09261021- SKU:
- 09261021
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPRING KIT
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $143.95Now: $119.00Was: $143.95 -
On Sale
PROX Valve and Spring Kit 28.SES2424-1
PROX
MSRP: $143.95Now: $119.00Was: $143.95If you're pushing your engine to the limit, your OEM valve train becomes the weak link. The PROX 28.SES2424-1 replaces stock valves and springs with nitrided steel components engineered to withstand...09261025- SKU:
- 09261025
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- TYPE:
- VALVE
- PRODUCT NAME:
- SPRING KIT
- APPLICATION:
- EXHAUST
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $143.95Now: $119.00Was: $143.95 -
On Sale
PROX Valve and Spring Kit 28.SIS4406-2
PROX
MSRP: $159.95Now: $136.00Was: $159.95If you're running your engine hard at sustained high RPM, your OEM valve train becomes the weak link. The PROX Valve and Spring Kit 28.SIS4406-2 upgrades both your valves and springs to handle the...09261031- SKU:
- 09261031
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- SPRING KIT
- TYPE:
- VALVE
MSRP: $159.95Now: $136.00Was: $159.95 -
On Sale
PROX Valve and Spring Kit 28.SES4406-1
PROX
MSRP: $159.95Now: $136.00Was: $159.95If you're running your engine hard, OEM valves and springs will hold you back. The PROX 28.SES4406-1 Kit upgrades both your intake and exhaust valves to nitrided steel—engineered to withstand extreme...09261032- SKU:
- 09261032
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- STEEL
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- SPRING KIT
- TYPE:
- VALVE
MSRP: $159.95Now: $136.00Was: $159.95Qty in Cart: 0Quantity:Price:MSRP: $159.95Now: $136.00Was: $159.95Subtotal: -
On Sale
PROX Valve and Spring Kit 28.SIS4409-2
PROX
MSRP: $166.95Now: $136.00Was: $166.95If you're pushing your engine to its limits, OEM valves and springs won't cut it. The PROX Valve and Spring Kit 28.SIS4409-2 replaces stock components with nitrided steel valves and premium chrome...09261033- SKU:
- 09261033
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPRING KIT
- TYPE:
- VALVE
MSRP: $166.95Now: $136.00Was: $166.95 -
On Sale
PROX Valve and Spring Kit 28.SES4409-1
PROX
MSRP: $166.95Now: $136.00Was: $166.95If you're pushing your engine beyond stock parameters, OEM valves and springs will become your bottleneck. The PROX 28.SES4409-1 replaces factory components with nitrided steel valves and premium...09261034- SKU:
- 09261034
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- SPRING KIT
- TYPE:
- VALVE
MSRP: $166.95Now: $136.00Was: $166.95Qty in Cart: 0Quantity:Price:MSRP: $166.95Now: $136.00Was: $166.95Subtotal: -
On Sale
PROX Valve and Spring Kit 28.SIS3405-2
PROX
MSRP: $139.95Now: $119.00Was: $139.95If you're pushing your engine to high RPM territory, factory valve and spring assemblies become your limiting factor. The PROX 28.SIS3405-2 replaces weak OEM components with nitrided steel valves and...09261035- SKU:
- 09261035
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- VALVE
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- SPRING KIT
MSRP: $139.95Now: $119.00Was: $139.95 -
On Sale
PROX Valve and Spring Kit 28.SES3405-1
PROX
MSRP: $139.95Now: $119.00Was: $139.95If you're pushing your engine to its limits, OEM valve and spring assemblies become your weakest link. The PROX 28.SES3405-1 replaces them with nitrided steel valves and premium chrome vanadium...09261036- SKU:
- 09261036
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- APPLICATION:
- EXHAUST
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPRING KIT
MSRP: $139.95Now: $119.00Was: $139.95Qty in Cart: 0Quantity:Price:MSRP: $139.95Now: $119.00Was: $139.95Subtotal: -
On Sale
PROX Valve and Spring Kit 28.SIS3407-2
PROX
MSRP: $139.95Now: $119.00Was: $139.95High-RPM engines demand valve components that can withstand extreme temperatures, pressure cycles, and mechanical stress without compromising reliability. The PROX Valve and Spring Kit 28.SIS3407-2...09261037- SKU:
- 09261037
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- VALVE
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
MSRP: $139.95Now: $119.00Was: $139.95Qty in Cart: 0Quantity:Price:MSRP: $139.95Now: $119.00Was: $139.95Subtotal:
