Dirt Bike Engine

Dirt Bike Engine

Dirt Bike Engine

Explore our selection for dirt bike parts for adding horsepower or reliability to a dirt bike's engine. We feature engine parts from Wiseco, Vertex, and more common engine part manufacturers. Get new pistons and gasket kits for re-freshening engines to withstand any conditions you put your bike through!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • HOT CAMS Valve Shim - 10.0 x 1.85 - 5 pack 5PK1000185 HOT CAMS Valve Shim - 10.0 x 1.85 - 5 pack 5PK1000185

    HOT CAMS Valve Shim - 10.0 x 1.85 - 5 pack 5PK1000185

    HOT CAMS

    $9.35
    HOT CAMS Valve Shim 10.0 x 1.85 5 pack 5PK1000185Replacement packs of shims to refill Valve Shim Kits
    9261274
    SKU:
    9261274
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    PRODUCT NAME:
    SHIM
    UNITS:
    5 PACK
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    VALVE
    VALVE SHIM THICKNESS METRIC:
    1.85 MM
    $9.35
    Qty in Cart: 0
    Quantity:
    Price:
    $9.35
    Subtotal:
  • HOT CAMS Valve Shim - 10.0 x 2.00 - 5 pack 5PK1000200 HOT CAMS Valve Shim - 10.0 x 2.00 - 5 pack 5PK1000200

    HOT CAMS Valve Shim - 10.0 x 2.00 - 5 pack 5PK1000200

    HOT CAMS

    $9.35
    HOT CAMS Valve Shim 10.0 x 2.00 5 pack 5PK1000200Replacement packs of shims to refill Valve Shim Kits
    9261277
    SKU:
    9261277
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    PRODUCT NAME:
    SHIM
    VALVE SHIM THICKNESS METRIC:
    2.00 MM
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    5 PACK
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    TYPE:
    VALVE
    $9.35
    Qty in Cart: 0
    Quantity:
    Price:
    $9.35
    Subtotal:
  • HOT CAMS Valve Shim - 10.0 x 2.05 - 5 pack 5PK1000205 HOT CAMS Valve Shim - 10.0 x 2.05 - 5 pack 5PK1000205

    HOT CAMS Valve Shim - 10.0 x 2.05 - 5 pack 5PK1000205

    HOT CAMS

    $9.35
    HOT CAMS Valve Shim 10.0 x 2.05 5 pack 5PK1000205Replacement packs of shims to refill Valve Shim Kits
    9261278
    SKU:
    9261278
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    RIDING STYLE:
    OFF-ROAD
    VALVE SHIM THICKNESS METRIC:
    2.05 MM
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SHIM
    UNITS:
    5 PACK
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    TYPE:
    VALVE
    $9.35
    Qty in Cart: 0
    Quantity:
    Price:
    $9.35
    Subtotal:
  • HOT CAMS Valve Shim - 10.0 x 2.10 - 5 pack 5PK1000210 HOT CAMS Valve Shim - 10.0 x 2.10 - 5 pack 5PK1000210

    HOT CAMS Valve Shim - 10.0 x 2.10 - 5 pack 5PK1000210

    HOT CAMS

    $9.35
    HOT CAMS Valve Shim 10.0 x 2.10 5 pack 5PK1000210Replacement packs of shims to refill Valve Shim Kits
    9261279
    SKU:
    9261279
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    RIDING STYLE:
    OFF-ROAD
    VALVE SHIM THICKNESS METRIC:
    2.10 MM
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SHIM
    UNITS:
    5 PACK
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    TYPE:
    VALVE
    $9.35
    Qty in Cart: 0
    Quantity:
    Price:
    $9.35
    Subtotal:
  • HOT CAMS Valve Shim - 10.0 x 2.15 - 5 pack 5PK1000215 HOT CAMS Valve Shim - 10.0 x 2.15 - 5 pack 5PK1000215

    HOT CAMS Valve Shim - 10.0 x 2.15 - 5 pack 5PK1000215

    HOT CAMS

    $9.35
    HOT CAMS Valve Shim 10.0 x 2.15 5 pack 5PK1000215Replacement packs of shims to refill Valve Shim Kits
    9261280
    SKU:
    9261280
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    TYPE:
    VALVE
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    VALVE SHIM THICKNESS METRIC:
    2.15 MM
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    SHIM
    UNITS:
    5 PACK
    $9.35
    Qty in Cart: 0
    Quantity:
    Price:
    $9.35
    Subtotal:
  • HOT CAMS Valve Shim - 10.0 x 2.20 - 5 pack 5PK1000220 HOT CAMS Valve Shim - 10.0 x 2.20 - 5 pack 5PK1000220

    HOT CAMS Valve Shim - 10.0 x 2.20 - 5 pack 5PK1000220

    HOT CAMS

    $9.35
    HOT CAMS Valve Shim 10.0 x 2.20 5 pack 5PK1000220Replacement packs of shims to refill Valve Shim Kits
    9261281
    SKU:
    9261281
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    TYPE:
    VALVE
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SHIM
    UNITS:
    5 PACK
    RIDING STYLE:
    OFF-ROAD
    VALVE SHIM THICKNESS METRIC:
    2.20 MM
    $9.35
    Qty in Cart: 0
    Quantity:
    Price:
    $9.35
    Subtotal:
  • HOT CAMS Valve Shim - 10.0 x 2.35 - 5 pack 5PK1000235 HOT CAMS Valve Shim - 10.0 x 2.35 - 5 pack 5PK1000235

    HOT CAMS Valve Shim - 10.0 x 2.35 - 5 pack 5PK1000235

    HOT CAMS

    $9.35
    HOT CAMS Valve Shim 10.0 x 2.35 5 pack 5PK1000235Replacement packs of shims to refill Valve Shim Kits
    9261284
    SKU:
    9261284
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    VALVE SHIM THICKNESS METRIC:
    2.35 MM
    PRODUCT NAME:
    SHIM
    TYPE:
    VALVE
    UNITS:
    5 PACK
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    $9.35
    Qty in Cart: 0
    Quantity:
    Price:
    $9.35
    Subtotal:
  • HOT CAMS Valve Shim - 10.0 x 3.10 - 5 pack 5PK1000310 HOT CAMS Valve Shim - 10.0 x 3.10 - 5 pack 5PK1000310

    HOT CAMS Valve Shim - 10.0 x 3.10 - 5 pack 5PK1000310

    HOT CAMS

    $9.35
    HOT CAMS Valve Shim 10.0 x 3.10 5 pack 5PK1000310Replacement packs of shims to refill Valve Shim Kits
    9261299
    SKU:
    9261299
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    PRODUCT NAME:
    SHIM
    TYPE:
    VALVE
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    3.10 MM
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    $9.35
    Qty in Cart: 0
    Quantity:
    Price:
    $9.35
    Subtotal:
  • HOT CAMS Valve Shim - 10.0 x 3.15 - 5 pack 5PK1000315 HOT CAMS Valve Shim - 10.0 x 3.15 - 5 pack 5PK1000315

    HOT CAMS Valve Shim - 10.0 x 3.15 - 5 pack 5PK1000315

    HOT CAMS

    $9.35
    HOT CAMS Valve Shim 10.0 x 3.15 5 pack 5PK1000315Replacement packs of shims to refill Valve Shim Kits
    9261300
    SKU:
    9261300
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    TYPE:
    VALVE
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    PRODUCT NAME:
    SHIM
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    3.15 MM
    $9.35
    Qty in Cart: 0
    Quantity:
    Price:
    $9.35
    Subtotal:
  • HOT CAMS Valve Shim - 7.48 x 1.25 - 5 pack 5PK748125 HOT CAMS Valve Shim - 7.48 x 1.25 - 5 pack 5PK748125

    HOT CAMS Valve Shim - 7.48 x 1.25 - 5 pack 5PK748125

    HOT CAMS

    $8.95
    HOT CAMS Valve Shim 7.48 x 1.25 5 pack 5PK748125Replacement packs of shims to refill Valve Shim Kits
    9261303
    SKU:
    9261303
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SHIM
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    1.25 MM
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    RIDING STYLE:
    STREET
    TYPE:
    VALVE
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • HOT CAMS Valve Shim - 7.48 x 1.95 - 5 pack 5PK748195 HOT CAMS Valve Shim - 7.48 x 1.95 - 5 pack 5PK748195

    HOT CAMS Valve Shim - 7.48 x 1.95 - 5 pack 5PK748195

    HOT CAMS

    $8.95
    HOT CAMS Valve Shim 7.48 x 1.95 5 pack 5PK748195Replacement packs of shims to refill Valve Shim Kits
    9261317
    SKU:
    9261317
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    VALVE
    VALVE SHIM THICKNESS METRIC:
    1.95 MM
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • HOT CAMS Valve Shim - 7.48 x 2.00 - 5 pack 5PK748200 HOT CAMS Valve Shim - 7.48 x 2.00 - 5 pack 5PK748200

    HOT CAMS Valve Shim - 7.48 x 2.00 - 5 pack 5PK748200

    HOT CAMS

    $8.95
    HOT CAMS Valve Shim 7.48 x 2.00 5 pack 5PK748200Replacement packs of shims to refill Valve Shim Kits
    9261318
    SKU:
    9261318
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    STEEL
    TYPE:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    VALVE SHIM THICKNESS METRIC:
    2.00 MM
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • HOT CAMS Valve Shim - 7.48 x 2.05 - 5 pack 5PK748205 HOT CAMS Valve Shim - 7.48 x 2.05 - 5 pack 5PK748205

    HOT CAMS Valve Shim - 7.48 x 2.05 - 5 pack 5PK748205

    HOT CAMS

    $8.95
    HOT CAMS Valve Shim 7.48 x 2.05 5 pack 5PK748205Replacement packs of shims to refill Valve Shim Kits
    9261319
    SKU:
    9261319
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    VALVE SHIM THICKNESS METRIC:
    2.05 MM
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SHIM
    TYPE:
    VALVE
    UNITS:
    5 PACK
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • HOT CAMS Valve Shim - 7.48 x 2.10 - 5 pack 5PK748210 HOT CAMS Valve Shim - 7.48 x 2.10 - 5 pack 5PK748210

    HOT CAMS Valve Shim - 7.48 x 2.10 - 5 pack 5PK748210

    HOT CAMS

    $8.95
    HOT CAMS Valve Shim 7.48 x 2.10 5 pack 5PK748210Replacement packs of shims to refill Valve Shim Kits
    9261320
    SKU:
    9261320
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    RIDING STYLE:
    STREET
    VALVE SHIM THICKNESS METRIC:
    2.10 MM
    PRODUCT NAME:
    SHIM
    TYPE:
    VALVE
    UNITS:
    5 PACK
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • HOT CAMS Valve Shim - 7.48 x 2.15 - 5 pack 5PK748215 HOT CAMS Valve Shim - 7.48 x 2.15 - 5 pack 5PK748215

    HOT CAMS Valve Shim - 7.48 x 2.15 - 5 pack 5PK748215

    HOT CAMS

    $8.95
    HOT CAMS Valve Shim 7.48 x 2.15 5 pack 5PK748215Replacement packs of shims to refill Valve Shim Kits
    9261321
    SKU:
    9261321
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    VALVE SHIM THICKNESS METRIC:
    2.15 MM
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SHIM
    TYPE:
    VALVE
    UNITS:
    5 PACK
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • HOT CAMS Valve Shim - 7.48 x 2.20 - 5 pack 5PK748220 HOT CAMS Valve Shim - 7.48 x 2.20 - 5 pack 5PK748220

    HOT CAMS Valve Shim - 7.48 x 2.20 - 5 pack 5PK748220

    HOT CAMS

    $8.95
    HOT CAMS Valve Shim 7.48 x 2.20 5 pack 5PK748220Replacement packs of shims to refill Valve Shim Kits
    9261322
    SKU:
    9261322
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    SHIM
    TYPE:
    VALVE
    UNITS:
    5 PACK
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    RIDING STYLE:
    STREET
    VALVE SHIM THICKNESS METRIC:
    2.20 MM
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • HOT CAMS Valve Shim - 7.48 x 2.25 - 5 pack 5PK748225 HOT CAMS Valve Shim - 7.48 x 2.25 - 5 pack 5PK748225

    HOT CAMS Valve Shim - 7.48 x 2.25 - 5 pack 5PK748225

    HOT CAMS

    $8.95
    HOT CAMS Valve Shim 7.48 x 2.25 5 pack 5PK748225Replacement packs of shims to refill Valve Shim Kits
    9261323
    SKU:
    9261323
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    VALVE SHIM THICKNESS METRIC:
    2.25 MM
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    VALVE
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • HOT CAMS Valve Shim - 7.48 x 2.30 - 5 pack 5PK748230 HOT CAMS Valve Shim - 7.48 x 2.30 - 5 pack 5PK748230

    HOT CAMS Valve Shim - 7.48 x 2.30 - 5 pack 5PK748230

    HOT CAMS

    $8.95
    HOT CAMS Valve Shim 7.48 x 2.30 5 pack 5PK748230Replacement packs of shims to refill Valve Shim Kits
    9261324
    SKU:
    9261324
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    VALVE
    VALVE SHIM THICKNESS METRIC:
    2.30 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    STEEL
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • HOT CAMS Valve Shim - 7.48 x 2.35 - 5 pack 5PK748235 HOT CAMS Valve Shim - 7.48 x 2.35 - 5 pack 5PK748235

    HOT CAMS Valve Shim - 7.48 x 2.35 - 5 pack 5PK748235

    HOT CAMS

    $8.95
    HOT CAMS Valve Shim 7.48 x 2.35 5 pack 5PK748235Replacement packs of shims to refill Valve Shim Kits
    9261325
    SKU:
    9261325
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    ATV
    TYPE:
    VALVE
    RIDING STYLE:
    UTV
    MATERIAL:
    STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    OFF-ROAD
    VALVE SHIM THICKNESS METRIC:
    2.35 MM
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    WATERCRAFT
    UNITS:
    5 PACK
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • HOT CAMS Valve Shim - 7.48 x 2.40 - 5 pack 5PK748240 HOT CAMS Valve Shim - 7.48 x 2.40 - 5 pack 5PK748240

    HOT CAMS Valve Shim - 7.48 x 2.40 - 5 pack 5PK748240

    HOT CAMS

    $8.95
    HOT CAMS Valve Shim 7.48 x 2.40 5 pack 5PK748240Replacement packs of shims to refill Valve Shim Kits
    9261326
    SKU:
    9261326
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    ATV
    TYPE:
    VALVE
    MATERIAL:
    STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    SNOW
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    2.40 MM
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • Total: items /

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Dirt Bike Engine Parts

Keep your dirt bike running smoothly and prolong the life of its engine with essential general maintenance. But when parts start to break down, don't let it stop you from getting out on the trails! JJ Motorsports has all that you need for minor jobs like oil changes or major overhauls such as a complete rebuild - carrying top aftermarket brands . Get back in gear faster by shopping our full line of high-quality dirt bike engine parts here today at JJ Motorsports!

 

At JJ Motorsports, we want to make sure you don't miss out on the ride! If your motor has blown or radiator smashed, our gearheads can help get you back in the seat. We carry piston kits from top brands like Wiseco and Wrench Rabbit engine kits so that riders have access to a wide range of parts for their dirt bike engine rebuilds. Plus – with gaskets at-the-ready when it comes time for any leakages - no need to worry about maintenance issues either; simply stay up on oil & filter changes and let us take care of everything else. Got queries? Just give one of our knowledgeable staff members a call at 1-231‐767‐5055 where they'll be more than happy provide advice, instructions and tailored answers catered just for YOU!