Select Your Ride

1
2
3

Dirt Bike Engine

Dirt Bike Engine

Dirt Bike Engine

Discover a full range of dirt bike engine components for rebuilding or upgrading your performance. From crankshafts to cylinder heads and piston kits, these precision-engineered components ensure reliable performance. For additional upgrades, check out our full selection of off-road dirt bike parts.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • MOOSE RACING Intake Valve Kit M30-31500

    MOOSE RACING Intake Valve Kit M30-31500

    MOOSE RACING

    $217.95
    MOOSE RACING Intake Valve Kit M30-31500Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much as 4x...
    09262432
    SKU:
    09262432
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    PRODUCT NAME:
    VALVE KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MATERIAL:
    STAINLESS STEEL
    APPLICATION:
    INTAKE
    $217.95
    Qty in Cart: 0
    Quantity:
    Price:
    $217.95
    Subtotal:
  • MOOSE RACING Valve and Spring Kit M30-31660

    MOOSE RACING Valve and Spring Kit M30-31660

    MOOSE RACING

    $217.95
    MOOSE RACING Valve and Spring Kit M30-31660Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much...
    09262433
    SKU:
    09262433
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    PRODUCT NAME:
    VALVE AND SPRING KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    APPLICATION:
    INTAKE
    $217.95
    Qty in Cart: 0
    Quantity:
    Price:
    $217.95
    Subtotal:
  • MOOSE RACING Valve and Spring Kit M30-31760

    MOOSE RACING Valve and Spring Kit M30-31760

    MOOSE RACING

    $217.95
    MOOSE RACING Valve and Spring Kit M30-31760Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much...
    09262434
    SKU:
    09262434
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE AND SPRING KIT
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    INTAKE
    $217.95
    Qty in Cart: 0
    Quantity:
    Price:
    $217.95
    Subtotal:
  • MOOSE RACING Valve and Spring Kit M30-32060

    MOOSE RACING Valve and Spring Kit M30-32060

    MOOSE RACING

    $196.95
    MOOSE RACING Valve and Spring Kit M30-32060Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much...
    09262437
    SKU:
    09262437
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE AND SPRING KIT
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    UNITS:
    KIT
    $196.95
    Qty in Cart: 0
    Quantity:
    Price:
    $196.95
    Subtotal:
  • MOOSE RACING Valve and Spring Kit M30-32260

    MOOSE RACING Valve and Spring Kit M30-32260

    MOOSE RACING

    $196.95
    MOOSE RACING Valve and Spring Kit M30-32260Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much...
    09262438
    SKU:
    09262438
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE AND SPRING KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    $196.95
    Qty in Cart: 0
    Quantity:
    Price:
    $196.95
    Subtotal:
  • MOOSE RACING Intake Valve Kit M40-40360

    MOOSE RACING Intake Valve Kit M40-40360

    MOOSE RACING

    $217.95
    MOOSE RACING Intake Valve Kit M40-40360Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much as 4x...
    09262440
    SKU:
    09262440
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    PRODUCT NAME:
    VALVE KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MATERIAL:
    STAINLESS STEEL
    APPLICATION:
    INTAKE
    $217.95
    Qty in Cart: 0
    Quantity:
    Price:
    $217.95
    Subtotal:
  • MOOSE RACING Intake Valve Kit M30-32780

    MOOSE RACING Intake Valve Kit M30-32780

    MOOSE RACING

    $196.95
    MOOSE RACING Intake Valve Kit M30-32780Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much as 4x...
    09263194
    SKU:
    09263194
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    APPLICATION:
    INTAKE
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $196.95
    Qty in Cart: 0
    Quantity:
    Price:
    $196.95
    Subtotal:
  • MOOSE RACING Valve and Spring Kit M30-32785

    MOOSE RACING Valve and Spring Kit M30-32785

    MOOSE RACING

    $217.95
    MOOSE RACING Valve and Spring Kit M30-32785Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much...
    09263195
    SKU:
    09263195
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $217.95
    Qty in Cart: 0
    Quantity:
    Price:
    $217.95
    Subtotal:
  • MOOSE RACING Intake Valve Kit M96-96540

    MOOSE RACING Intake Valve Kit M96-96540

    MOOSE RACING

    $217.95
    MOOSE RACING Intake Valve Kit M96-96540Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much as 4x...
    09263196
    SKU:
    09263196
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    INTAKE
    $217.95
    Qty in Cart: 0
    Quantity:
    Price:
    $217.95
    Subtotal:
  • MOOSE RACING Intake Valve Kit M40-41450

    MOOSE RACING Intake Valve Kit M40-41450

    MOOSE RACING

    $217.95
    MOOSE RACING Intake Valve Kit M40-41450Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much as 4x...
    09263198
    SKU:
    09263198
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    APPLICATION:
    INTAKE
    Qty in Cart: 0
    Quantity:
    Price:
    $217.95
    Subtotal:
  • MOOSE RACING Valve and Spring Kit M40-41455

    MOOSE RACING Valve and Spring Kit M40-41455

    MOOSE RACING

    $196.95
    MOOSE RACING Valve and Spring Kit M40-41455Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much...
    09263199
    SKU:
    09263199
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    $196.95
    Qty in Cart: 0
    Quantity:
    Price:
    $196.95
    Subtotal:
  • MOOSE RACING Valve Seal Kit M80-82380

    MOOSE RACING Valve Seal Kit M80-82380

    MOOSE RACING

    $15.95
    MOOSE RACING Valve Seal Kit M80-82380Contact surfaces designed for improved sealing, High-temperature Viton® and PTFE materials, Improved tolerance over OEM, 100% quality controlled, Kits include one full set of intake and exhaust seals, Made in the USA
    09263200
    SKU:
    09263200
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MATERIAL:
    VITON
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    INTAKE
    COLOR/FINISH:
    RED
    PRODUCT NAME:
    SEAL KIT
    APPLICATION:
    EXHAUST
    BASE COLOR:
    RED
    TYPE:
    VALVE STEM
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • MOOSE RACING Valve Seal Kit M30-32795

    MOOSE RACING Valve Seal Kit M30-32795

    MOOSE RACING

    $15.95
    MOOSE RACING Valve Seal Kit M30-32795Contact surfaces designed for improved sealing, High-temperature Viton® and PTFE materials, Improved tolerance over OEM, 100% quality controlled, Kits include one full set of intake and exhaust seals, Made in the USA
    09263201
    SKU:
    09263201
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MATERIAL:
    VITON
    APPLICATION:
    INTAKE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    BASE COLOR:
    RED
    TYPE:
    VALVE STEM
    COLOR/FINISH:
    RED
    PRODUCT NAME:
    SEAL KIT
    $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • MOOSE RACING Valve Seal Kit M40-41460

    MOOSE RACING Valve Seal Kit M40-41460

    MOOSE RACING

    $15.95
    MOOSE RACING Valve Seal Kit M40-41460Contact surfaces designed for improved sealing, High-temperature Viton® and PTFE materials, Improved tolerance over OEM, 100% quality controlled, Kits include one full set of intake and exhaust seals, Made in the USA
    09263202
    SKU:
    09263202
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    SEAL KIT
    TYPE:
    VALVE STEM
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    BASE COLOR:
    RED
    MATERIAL:
    VITON
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    INTAKE
    COLOR/FINISH:
    RED
    $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • MOOSE RACING Intake Valve Kit M30-33680

    MOOSE RACING Intake Valve Kit M30-33680

    MOOSE RACING

    $217.95
    MOOSE RACING Intake Valve Kit M30-33680Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extends the life of the valve train and intake components by as much as...
    09263303
    SKU:
    09263303
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $217.95
    Qty in Cart: 0
    Quantity:
    Price:
    $217.95
    Subtotal:
  • MOOSE RACING Magnetic Drain Plug DP107-1

    MOOSE RACING Magnetic Drain Plug DP107-1

    MOOSE RACING

    $23.95
    MOOSE RACING Magnetic Drain Plug DP107-1Made from 7075 lightweight aluminum, Prolong engine life by pulling metal filings out of the oil, Ultra-powerful magnets, Come with either O-ring or washer sealing surface, Compare with original OEM plug before...
    09200045
    SKU:
    09200045
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DRAIN
    COLOR/FINISH:
    RED
    PRODUCT NAME:
    PLUG
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    DIAMETER - THREAD SIZE METRIC:
    M12 X 1.50 X 22 MM
    FEATURES:
    MAGNETIC
    MATERIAL:
    7075 ALUMINUM
    $23.95
    Qty in Cart: 0
    Quantity:
    Price:
    $23.95
    Subtotal:
  • MOOSE RACING Magnetic Drain Plug DP108

    MOOSE RACING Magnetic Drain Plug DP108

    MOOSE RACING

    $23.95
    MOOSE RACING Magnetic Drain Plug DP108Made from 7075 lightweight aluminum, Prolong engine life by pulling metal filings out of the oil, Ultra-powerful magnets, Come with either O-ring or washer sealing surface, Compare with original OEM plug before...
    09200046
    SKU:
    09200046
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    FEATURES:
    MAGNETIC
    MATERIAL:
    7075 ALUMINUM
    DIAMETER - THREAD SIZE METRIC:
    M12 X 1.50 X 20 MM
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    ORANGE
    PRODUCT NAME:
    PLUG
    UNITS:
    EACH
    TYPE:
    DRAIN
    $23.95
    Qty in Cart: 0
    Quantity:
    Price:
    $23.95
    Subtotal:
  • MOOSE RACING Magnetic Drain Plug DP115

    MOOSE RACING Magnetic Drain Plug DP115

    MOOSE RACING

    $23.95
    MOOSE RACING Magnetic Drain Plug DP115Made from 7075 lightweight aluminum, Prolong engine life by pulling metal filings out of the oil, Ultra-powerful magnets, Come with either O-ring or washer sealing surface, Compare with original OEM plug before...
    09200047
    SKU:
    09200047
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    DIAMETER - THREAD SIZE METRIC:
    M16 X 1.50 X 12 MM
    MATERIAL:
    7075 ALUMINUM
    PRODUCT NAME:
    PLUG
    UNITS:
    EACH
    COLOR/FINISH:
    SILVER
    FEATURES:
    NON-MAGNETIC
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DRAIN
    $23.95
    Qty in Cart: 0
    Quantity:
    Price:
    $23.95
    Subtotal:
  • MOOSE RACING Magnetic Drain Plug DP120

    MOOSE RACING Magnetic Drain Plug DP120

    MOOSE RACING

    $23.95
    MOOSE RACING Magnetic Drain Plug DP120Made from 7075 lightweight aluminum, Prolong engine life by pulling metal filings out of the oil, Ultra-powerful magnets, Come with either O-ring or washer sealing surface, Compare with original OEM plug before...
    09200049
    SKU:
    09200049
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    PLUG
    UNITS:
    EACH
    MATERIAL:
    7075 ALUMINUM
    FEATURES:
    MAGNETIC
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DRAIN
    COLOR/FINISH:
    RED
    DIAMETER - THREAD SIZE METRIC:
    M10 X 1.50 X 22 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $23.95
    Qty in Cart: 0
    Quantity:
    Price:
    $23.95
    Subtotal:
  • MOOSE RACING Valve Shim - 10.0 x 2.95 - 5 pack MSE5PK1000295

    MOOSE RACING Valve Shim - 10.0 x 2.95 - 5 pack MSE5PK1000295

    MOOSE RACING

    $10.95
    MOOSE RACING Valve Shim 10.0 x 2.95 5 pack MSE5PK1000295Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any...
    09261852
    SKU:
    09261852
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    MATERIAL:
    ROLLED
    VALVE SHIM THICKNESS METRIC:
    2.95 MM
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    VALVE
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    MATERIAL:
    STEEL
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • Total: items /

Adding your products to cart

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!