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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
  • PROX Connecting Rod Kit 03.1405

    PROX Connecting Rod Kit 03.1405

    PROX

    $175.95
    PROX Connecting Rod Kit 03.1405Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230239
    SKU:
    09230239
    Availability:
    Ships Same Business Day
    Weight:
    1.71 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    FEATURES:
    INCLUDES THRUST WASHERS
    MATERIAL:
    FORGED STEEL
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    ATV
    $175.95
    Qty in Cart: 0
    Quantity:
    Price:
    $175.95
    Subtotal:
  • PROX Connecting Rod Kit 03.1660

    PROX Connecting Rod Kit 03.1660

    PROX

    $199.95
    PROX Connecting Rod Kit 03.1660Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230241
    SKU:
    09230241
    Availability:
    Ships Same Business Day
    Weight:
    2.27 LBS
    ENGINE TYPE:
    4-STROKE
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $199.95
    Qty in Cart: 0
    Quantity:
    Price:
    $199.95
    Subtotal:
  • PROX Connecting Rod Kit 03.4409

    PROX Connecting Rod Kit 03.4409

    PROX

    $175.95
    PROX Connecting Rod Kit 03.4409Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230245
    SKU:
    09230245
    Availability:
    Ships Same Business Day
    Weight:
    1.63 LBS
    ENGINE TYPE:
    4-STROKE
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $175.95
    Qty in Cart: 0
    Quantity:
    Price:
    $175.95
    Subtotal:
  • PROX Connecting Rod Kit 03.6428

    PROX Connecting Rod Kit 03.6428

    PROX

    $179.95
    PROX Connecting Rod Kit 03.6428Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230246
    SKU:
    09230246
    Availability:
    Ships Same Business Day
    Weight:
    1.77 LBS
    ENGINE TYPE:
    4-STROKE
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • PROX Connecting Rod Kit 03.6528

    PROX Connecting Rod Kit 03.6528

    PROX

    $179.95
    PROX Connecting Rod Kit 03.6528Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230248
    SKU:
    09230248
    Availability:
    Ships Same Business Day
    Weight:
    1.79 LBS
    UNITS:
    EACH
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    FORGED STEEL
    $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • PROX Connecting Rod 03.3408

    PROX Connecting Rod 03.3408

    PROX

    $175.95
    PROX Connecting Rod 03.3408Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230250
    SKU:
    09230250
    Availability:
    Ships Same Business Day
    Weight:
    1.58 LBS
    UNITS:
    EACH
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    ENGINE TYPE:
    4-STROKE
    MATERIAL:
    FORGED STEEL
    $175.95
    Qty in Cart: 0
    Quantity:
    Price:
    $175.95
    Subtotal:
  • PROX Connecting Rod 03.1315

    PROX Connecting Rod 03.1315

    PROX

    $119.95
    PROX Connecting Rod 03.1315Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230125
    SKU:
    09230125
    Availability:
    Ships Same Business Day
    Weight:
    1.08 LBS
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $119.95
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • PROX Connecting Rod 03.1212

    PROX Connecting Rod 03.1212

    PROX

    $119.95
    PROX Connecting Rod 03.1212Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230126
    SKU:
    09230126
    Availability:
    Ships Same Business Day
    Weight:
    0.72 LBS
    ENGINE TYPE:
    2-STROKE
    FEATURES:
    INCLUDES THRUST WASHERS
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $119.95
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • PROX Connecting Rod 03.1334

    PROX Connecting Rod 03.1334

    PROX

    $165.95
    PROX Connecting Rod 03.1334Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230127
    SKU:
    09230127
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    ENGINE TYPE:
    4-STROKE
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    FEATURES:
    INCLUDES THRUST WASHERS
    UNITS:
    EACH
    $165.95
    Qty in Cart: 0
    Quantity:
    Price:
    $165.95
    Subtotal:
  • PROX Connecting Rod 03.6220

    PROX Connecting Rod 03.6220

    PROX

    $119.95
    PROX Connecting Rod 03.6220Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230128
    SKU:
    09230128
    Availability:
    Ships Same Business Day
    Weight:
    0.79 LBS
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $119.95
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • PROX Connecting Rod 03.1402

    PROX Connecting Rod 03.1402

    PROX

    $175.95
    PROX Connecting Rod 03.1402Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230129
    SKU:
    09230129
    Availability:
    Ships Same Business Day
    Weight:
    1.59 LBS
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    FEATURES:
    INCLUDES THRUST WASHERS
    MATERIAL:
    FORGED STEEL
    UNITS:
    EACH
    $175.95
    Qty in Cart: 0
    Quantity:
    Price:
    $175.95
    Subtotal:
  • PROX Connecting Rod 03.4022

    PROX Connecting Rod 03.4022

    PROX

    $109.95
    PROX Connecting Rod 03.4022Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230130
    SKU:
    09230130
    Availability:
    Ships Same Business Day
    Weight:
    0.49 LBS
    PRODUCT NAME:
    CONNECTING ROD KIT
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $109.95
    Qty in Cart: 0
    Quantity:
    Price:
    $109.95
    Subtotal:
  • PROX Connecting Rod 03.4309

    PROX Connecting Rod 03.4309

    PROX

    $119.95
    PROX Connecting Rod 03.4309Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230131
    SKU:
    09230131
    Availability:
    Ships Same Business Day
    Weight:
    1.12 LBS
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    MATERIAL:
    FORGED STEEL
    $119.95
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • PROX Connecting Rod 03.4118

    PROX Connecting Rod 03.4118

    PROX

    $109.95
    PROX Connecting Rod 03.4118Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230132
    SKU:
    09230132
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    UNITS:
    EACH
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    $109.95
    Qty in Cart: 0
    Quantity:
    Price:
    $109.95
    Subtotal:
  • PROX Connecting Rod 03.2217

    PROX Connecting Rod 03.2217

    PROX

    $119.95
    PROX Connecting Rod 03.2217Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230133
    SKU:
    09230133
    Availability:
    Ships Same Business Day
    Weight:
    0.81 LBS
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    $119.95
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • PROX Connecting Rod 03.1105

    PROX Connecting Rod 03.1105

    PROX

    $109.95
    PROX Connecting Rod 03.1105Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230134
    SKU:
    09230134
    Availability:
    Ships Same Business Day
    Weight:
    0.53 LBS
    UNITS:
    EACH
    PRODUCT NAME:
    CONNECTING ROD KIT
    ENGINE TYPE:
    2-STROKE
    FEATURES:
    INCLUDES THRUST WASHERS
    MATERIAL:
    FORGED STEEL
    RIDING STYLE:
    OFF-ROAD
    $109.95
    Qty in Cart: 0
    Quantity:
    Price:
    $109.95
    Subtotal:
  • PROX Connecting Rod 03.3219

    PROX Connecting Rod 03.3219

    PROX

    $119.95
    PROX Connecting Rod 03.3219Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230135
    SKU:
    09230135
    Availability:
    Ships Same Business Day
    Weight:
    0.76 LBS
    UNITS:
    EACH
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    $119.95
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • PROX Connecting Rod 03.2309

    PROX Connecting Rod 03.2309

    PROX

    $119.95
    PROX Connecting Rod 03.2309Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230136
    SKU:
    09230136
    Availability:
    Ships Same Business Day
    Weight:
    0.98 LBS
    UNITS:
    EACH
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    $119.95
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • PROX Connecting Rod 03.4108

    PROX Connecting Rod 03.4108

    PROX

    $109.95
    PROX Connecting Rod 03.4108Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230137
    SKU:
    09230137
    Availability:
    Ships Same Business Day
    Weight:
    0.63 LBS
    UNITS:
    EACH
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    $109.95
    Qty in Cart: 0
    Quantity:
    Price:
    $109.95
    Subtotal:
  • PROX Connecting Rod 03.3310

    PROX Connecting Rod 03.3310

    PROX

    $119.95
    PROX Connecting Rod 03.3310Comes complete with crankpin, big-end bearing, small-end bearing, and washers, Easy to install
    09230139
    SKU:
    09230139
    Availability:
    Ships Same Business Day
    Weight:
    1.08 LBS
    MATERIAL:
    FORGED STEEL
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $119.95
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    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!