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
  • On Sale
    HOT RODS Crankshaft Kit CBK0061

    HOT RODS Crankshaft Kit CBK0061

    HOT RODS

    MSRP: $679.95
    Now: $624.56
    Was: $703.95
    HOT RODS Crankshaft Kit CBK0061Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210309
    SKU:
    09210309
    Availability:
    Ships Same Business Day
    Weight:
    10.15 LBS
    TYPE:
    OEM
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $679.95
    Now: $624.56
    Was: $703.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $679.95
    Now: $624.56
    Was: $703.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0063

    HOT RODS Crankshaft Kit CBK0063

    HOT RODS

    MSRP: $625.95
    Now: $574.16
    Was: $647.95
    HOT RODS Crankshaft Kit CBK0063Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210311
    SKU:
    09210311
    Availability:
    Ships Same Business Day
    Weight:
    9.80 LBS
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $625.95
    Now: $574.16
    Was: $647.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $625.95
    Now: $574.16
    Was: $647.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0071

    HOT RODS Crankshaft Kit CBK0071

    HOT RODS

    MSRP: $754.95
    Now: $692.96
    Was: $780.95
    HOT RODS Crankshaft Kit CBK0071Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210319
    SKU:
    09210319
    Availability:
    Ships Same Business Day
    Weight:
    10.41 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    MSRP: $754.95
    Now: $692.96
    Was: $780.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $754.95
    Now: $692.96
    Was: $780.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0072

    HOT RODS Crankshaft Kit CBK0072

    HOT RODS

    MSRP: $484.95
    Now: $445.46
    Was: $501.95
    HOT RODS Crankshaft Kit CBK0072Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210320
    SKU:
    09210320
    Availability:
    Ships Same Business Day
    Weight:
    15.30 LBS
    TYPE:
    OEM
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $484.95
    Now: $445.46
    Was: $501.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $445.46
    Was: $501.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0073

    HOT RODS Crankshaft Kit CBK0073

    HOT RODS

    MSRP: $506.95
    Now: $465.26
    Was: $524.95
    HOT RODS Crankshaft Kit CBK0073Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210321
    SKU:
    09210321
    Availability:
    Ships Same Business Day
    Weight:
    6.20 LBS
    TYPE:
    OEM
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    MSRP: $506.95
    Now: $465.26
    Was: $524.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $506.95
    Now: $465.26
    Was: $524.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0074

    HOT RODS Crankshaft Kit CBK0074

    HOT RODS

    MSRP: $506.95
    Now: $465.26
    Was: $524.95
    HOT RODS Crankshaft Kit CBK0074Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210322
    SKU:
    09210322
    Availability:
    Ships Same Business Day
    Weight:
    9.45 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    MSRP: $506.95
    Now: $465.26
    Was: $524.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $506.95
    Now: $465.26
    Was: $524.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0077

    HOT RODS Crankshaft Kit CBK0077

    HOT RODS

    MSRP: $409.95
    Now: $376.16
    Was: $423.95
    HOT RODS Crankshaft Kit CBK0077Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210325
    SKU:
    09210325
    Availability:
    Ships Same Business Day
    Weight:
    8.50 LBS
    TYPE:
    OEM
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    CRANKSHAFT KIT
    UNITS:
    KIT
    MSRP: $409.95
    Now: $376.16
    Was: $423.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $409.95
    Now: $376.16
    Was: $423.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0078

    HOT RODS Crankshaft Kit CBK0078

    HOT RODS

    MSRP: $484.95
    Now: $445.46
    Was: $501.95
    HOT RODS Crankshaft Kit CBK0078Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210326
    SKU:
    09210326
    Availability:
    Ships Same Business Day
    Weight:
    12.45 LBS
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $484.95
    Now: $445.46
    Was: $501.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $445.46
    Was: $501.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0079

    HOT RODS Crankshaft Kit CBK0079

    HOT RODS

    MSRP: $484.95
    Now: $445.46
    Was: $501.95
    HOT RODS Crankshaft Kit CBK0079Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210327
    SKU:
    09210327
    Availability:
    Ships Same Business Day
    Weight:
    12.30 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    MSRP: $484.95
    Now: $445.46
    Was: $501.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $445.46
    Was: $501.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0135

    HOT RODS Crankshaft Kit CBK0135

    HOT RODS

    MSRP: $484.95
    Now: $445.46
    Was: $501.95
    HOT RODS Crankshaft Kit CBK0135Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210367
    SKU:
    09210367
    Availability:
    Ships Same Business Day
    Weight:
    11.90 LBS
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    OEM
    UNITS:
    KIT
    MSRP: $484.95
    Now: $445.46
    Was: $501.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $445.46
    Was: $501.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0138

    HOT RODS Crankshaft Kit CBK0138

    HOT RODS

    MSRP: $625.95
    Now: $574.16
    Was: $647.95
    HOT RODS Crankshaft Kit CBK0138Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210368
    SKU:
    09210368
    Availability:
    Ships Same Business Day
    Weight:
    13.20 LBS
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    STROKER
    UNITS:
    KIT
    MSRP: $625.95
    Now: $574.16
    Was: $647.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $625.95
    Now: $574.16
    Was: $647.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0139

    HOT RODS Crankshaft Kit CBK0139

    HOT RODS

    MSRP: $625.95
    Now: $574.16
    Was: $647.95
    HOT RODS Crankshaft Kit CBK0139Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210369
    SKU:
    09210369
    Availability:
    Ships Same Business Day
    Weight:
    10.85 LBS
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    STROKER
    UNITS:
    KIT
    MSRP: $625.95
    Now: $574.16
    Was: $647.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $625.95
    Now: $574.16
    Was: $647.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0141

    HOT RODS Crankshaft Kit CBK0141

    HOT RODS

    MSRP: $711.95
    Now: $653.36
    Was: $736.95
    HOT RODS Crankshaft Kit CBK0141Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210370
    SKU:
    09210370
    Availability:
    Ships Same Business Day
    Weight:
    12.75 LBS
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $711.95
    Now: $653.36
    Was: $736.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $711.95
    Now: $653.36
    Was: $736.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0159

    HOT RODS Crankshaft Kit CBK0159

    HOT RODS

    MSRP: $679.95
    Now: $624.56
    Was: $703.95
    HOT RODS Crankshaft Kit CBK0159Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210381
    SKU:
    09210381
    Availability:
    Ships Same Business Day
    Weight:
    13.15 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    STROKER
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    MSRP: $679.95
    Now: $624.56
    Was: $703.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $679.95
    Now: $624.56
    Was: $703.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0165

    HOT RODS Crankshaft Kit CBK0165

    HOT RODS

    MSRP: $797.95
    Now: $732.56
    Was: $825.95
    HOT RODS Crankshaft Kit CBK0165Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210386
    SKU:
    09210386
    Availability:
    Ships Same Business Day
    Weight:
    13.35 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    STROKER
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    MSRP: $797.95
    Now: $732.56
    Was: $825.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $797.95
    Now: $732.56
    Was: $825.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft Kit CBK0167

    HOT RODS Crankshaft Kit CBK0167

    HOT RODS

    MSRP: $754.95
    Now: $692.96
    Was: $780.95
    HOT RODS Crankshaft Kit CBK0167Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...
    09210387
    SKU:
    09210387
    Availability:
    Ships Same Business Day
    Weight:
    10.05 LBS
    TYPE:
    OEM
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $754.95
    Now: $692.96
    Was: $780.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $754.95
    Now: $692.96
    Was: $780.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft 4021

    HOT RODS Crankshaft 4021

    HOT RODS

    MSRP: $420.95
    Now: $386.06
    Was: $434.95
    HOT RODS Crankshaft 4021Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and ready for...
    09210388
    SKU:
    09210388
    Availability:
    Ships Same Business Day
    Weight:
    7.18 LBS
    COLOR/FINISH:
    STEEL
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    4140 STEEL
    UNITS:
    ASSEMBLY
    DISPLACEMENT:
    250 CC
    FEATURES:
    HEAVY DUTY CRANKSHAFT
    MODEL:
    4-CYCLE
    STROKE LENGTH METRIC:
    53.60 MM
    TYPE:
    OEM STROKE
    MSRP: $420.95
    Now: $386.06
    Was: $434.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $420.95
    Now: $386.06
    Was: $434.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft 4031

    HOT RODS Crankshaft 4031

    HOT RODS

    MSRP: $355.95
    Now: $326.66
    Was: $367.95
    HOT RODS Crankshaft 4031Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and ready for...
    09210389
    SKU:
    09210389
    Availability:
    Ships Same Business Day
    Weight:
    4.06 LBS
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    STROKE LENGTH METRIC:
    40.80 MM
    UNITS:
    ASSEMBLY
    COLOR/FINISH:
    STEEL
    DISPLACEMENT:
    65 CC
    FEATURES:
    STANDARD CRANKSHAFT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    OEM STROKE
    MATERIAL:
    4140 STEEL
    MODEL:
    2-CYCLE
    MSRP: $355.95
    Now: $326.66
    Was: $367.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $355.95
    Now: $326.66
    Was: $367.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft 4098

    HOT RODS Crankshaft 4098

    HOT RODS

    MSRP: $409.95
    Now: $376.16
    Was: $423.95
    HOT RODS Crankshaft 4098Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and ready for...
    09210244
    SKU:
    09210244
    Availability:
    Ships Same Business Day
    Weight:
    9.45 LBS
    FEATURES:
    STANDARD CRANKSHAFT
    MODEL:
    4-CYCLE
    TYPE:
    OEM STROKE
    DISPLACEMENT:
    450 CC
    MATERIAL:
    4140 STEEL
    UNITS:
    ASSEMBLY
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    COLOR/FINISH:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    60.80 MM
    MSRP: $409.95
    Now: $376.16
    Was: $423.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $409.95
    Now: $376.16
    Was: $423.95
    Subtotal:
  • On Sale
    HOT RODS Crankshaft - Stroker 4197 HOT RODS Crankshaft - Stroker 4197

    HOT RODS Crankshaft - Stroker 4197

    HOT RODS

    MSRP: $359.95
    Now: $323.96
    Was: $359.95
    HOT RODS Crankshaft Stroker 4197Hot Rods has developed six long-stroke applications for ATVs, Special pistons for TRX400EX, KFX/LTZ 400, Banshee, Warrior and Raptor make these installations simple by avoiding machine work and parts typically required for...
    09210246
    SKU:
    09210246
    Availability:
    Ships Same Business Day
    Weight:
    7.50 LBS
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    STROKER
    DISPLACEMENT:
    259 CC
    MODEL:
    4-CYCLE
    STROKE LENGTH:
    55,80 MM
    STROKE LENGTH METRIC:
    55.80 MM
    COLOR/FINISH:
    STEEL
    FEATURES:
    HEAVY DUTY CRANKSHAFT
    MATERIAL:
    4140 STEEL
    UNITS:
    ASSEMBLY
    MSRP: $359.95
    Now: $323.96
    Was: $359.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $359.95
    Now: $323.96
    Was: $359.95
    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!