Dirt Bike Engine Valves and Parts
J J Motorsports is a leading supplier of dirt bike engine parts and accessories. We carry a wide selection of 4 stroke engine valves from top brands like Wiseco and Vertex Racing. Whether you're looking for replacement valves or performance parts, we have what you need to keep your dirt bike running at peak performance. Our team is passionate about dirt bikes and we're here to help you get the most out of your ride. Contact us today with any questions or for help finding the right parts for your bike.
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- Price
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PROX Valve Shims - 5 pack 29.748280
PROX
$9.95PROX Valve Shims 5 pack 29.748280Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260902- SKU:
- 09260902
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.80 MM
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
$9.95 -
PROX Valve Shims - 5 pack 29.748285
PROX
$9.95PROX Valve Shims 5 pack 29.748285Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260903- SKU:
- 09260903
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- VALVE SHIM THICKNESS METRIC:
- 2.85 MM
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- RIDING STYLE:
- WATERCRAFT
$9.95 -
PROX Valve Shims - 5 pack 29.748290
PROX
$9.95PROX Valve Shims 5 pack 29.748290Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260904- SKU:
- 09260904
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 2.90 MM
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 5 PACK
$9.95 -
PROX Valve Shims - 5 pack 29.748295
PROX
$9.95PROX Valve Shims 5 pack 29.748295Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260905- SKU:
- 09260905
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- TYPE:
- VALVE
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- VALVE SHIM THICKNESS METRIC:
- 2.95 MM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 5 PACK
$9.95 -
PROX Valve Shims - 5 pack 29.748300
PROX
$9.95PROX Valve Shims 5 pack 29.748300Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260906- SKU:
- 09260906
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- VALVE SHIM THICKNESS METRIC:
- 3.00 MM
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
$9.95 -
PROX Valve Shims - 5 pack 29.748305
PROX
$9.95PROX Valve Shims 5 pack 29.748305Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260907- SKU:
- 09260907
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- VALVE SHIM THICKNESS METRIC:
- 3.05 MM
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
$9.95 -
PROX Valve Shims - 5 pack 29.748310
PROX
$9.95PROX Valve Shims 5 pack 29.748310Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260908- SKU:
- 09260908
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 3.10 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
$9.95 -
PROX Valve Shims - 5 pack 29.748315
PROX
$9.95PROX Valve Shims 5 pack 29.748315Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260909- SKU:
- 09260909
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 3.15 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
$9.95 -
PROX Valve Shims - 5 pack 29.748320
PROX
$9.95PROX Valve Shims 5 pack 29.748320Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260910- SKU:
- 09260910
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- VALVE SHIM THICKNESS METRIC:
- 3.20 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
$9.95 -
PROX Valve Shim Kit 29.VSA890
PROX
$73.16PROX Valve Shim Kit 29.VSA890Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260917- SKU:
- 09260917
- Availability:
- Ships Same Business Day
- Weight:
- 0.54 LBS
- OUTSIDE DIAMETER METRIC:
- 8.90 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- KIT
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 1.72 MM - 2.60 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$73.16 -
PROX Valveshim - 5 pack 29.890172
PROX
$10.31PROX Valveshim 5 pack 29.890172Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260918- SKU:
- 09260918
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- OUTSIDE DIAMETER METRIC:
- 8.90 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 1.72 MM
- RIDING STYLE:
- STREET
$10.31 -
PROX Valveshim - 5 pack 29.890188
PROX
$10.31PROX Valveshim 5 pack 29.890188Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260922- SKU:
- 09260922
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 8.90 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 1.88 MM
$10.31 -
PROX Valveshim - 5 pack 29.890192
PROX
$10.31PROX Valveshim 5 pack 29.890192Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260923- SKU:
- 09260923
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- OUTSIDE DIAMETER METRIC:
- 8.90 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 1.92 MM
$10.31 -
PROX Valveshim - 5 pack 29.890196
PROX
$10.31PROX Valveshim 5 pack 29.890196Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260924- SKU:
- 09260924
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- VALVE SHIM THICKNESS METRIC:
- 1.96 MM
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 8.90 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
$10.31 -
PROX Valveshim - 5 pack 29.890200
PROX
$10.31PROX Valveshim 5 pack 29.890200Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260925- SKU:
- 09260925
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- OUTSIDE DIAMETER METRIC:
- 8.90 MM
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 2.00 MM
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
$10.31 -
PROX Valveshim - 5 pack 29.890204
PROX
$10.31PROX Valveshim 5 pack 29.890204Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260926- SKU:
- 09260926
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 8.90 MM
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 2.04 MM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
$10.31 -
PROX Valveshim - 5 pack 29.890208
PROX
$10.31PROX Valveshim 5 pack 29.890208Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260927- SKU:
- 09260927
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- VALVE SHIM THICKNESS METRIC:
- 2.08 MM
- OUTSIDE DIAMETER METRIC:
- 8.90 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
$10.31 -
PROX Valveshim - 5 pack 29.890212
PROX
$10.31PROX Valveshim 5 pack 29.890212Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260928- SKU:
- 09260928
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- VALVE SHIM THICKNESS METRIC:
- 2.12 MM
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 8.90 MM
- RIDING STYLE:
- WATERCRAFT
$10.31 -
PROX Valveshim - 5 pack 29.890216
PROX
$10.31PROX Valveshim 5 pack 29.890216Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260929- SKU:
- 09260929
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.16 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- OUTSIDE DIAMETER METRIC:
- 8.90 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
$10.31 -
PROX Valveshim - 5 pack 29.890220
PROX
$10.31PROX Valveshim 5 pack 29.890220Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims09260930- SKU:
- 09260930
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- OUTSIDE DIAMETER METRIC:
- 8.90 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 2.20 MM
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
$10.31
