Crankshafts and Parts

Crankshafts and Parts

Crankshafts and Parts

JJ Motorsports dirt bike aftermarket engine crankshafts are some of the best you can find. They're tough and dependable, so you know they'll last through even the roughest conditions. Best of all, they're priced competitively, so you don't have to spend a fortune to get top quality parts. And if you need them quickly, JJ Motorsports offers fast shipping to get your parts to you as soon as possible. So if you're looking for aftermarket engine crankshafts for your dirt bike, JJ Motorsports is the place to go.

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  • HOT RODS Crankshaft Kit 4420
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    HOT RODS Crankshaft Kit 4420

    HOT RODS

    $263.95
    HOT RODS Crankshaft Kit 4420Sold 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...
    9210518
    SKU:
    9210518
    Availability:
    Ships Same Business Day
    Weight:
    3.00 LBS
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    DISPLACEMENT:
    50 CC
    FEATURES:
    STANDARD CRANKSHAFT
    TYPE:
    OEM STROKE
    MODEL:
    2-CYCLE
    COLOR/FINISH:
    STEEL
    MATERIAL:
    4140 STEEL
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    39.98 MM
    UNITS:
    ASSEMBLY
    Add to Cart
    $263.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $263.95
    Subtotal:
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  • HOT RODS Crankshaft Kit 4419
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    HOT RODS Crankshaft Kit 4419

    HOT RODS

    $285.95
    HOT RODS Crankshaft Kit 4419Sold 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...
    9210517
    SKU:
    9210517
    Availability:
    Ships Same Business Day
    Weight:
    4.50 LBS
    COLOR/FINISH:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    4140 STEEL
    UNITS:
    ASSEMBLY
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    DISPLACEMENT:
    85 CC TO 100 CC
    FEATURES:
    STANDARD CRANKSHAFT
    MODEL:
    2-CYCLE
    STROKE LENGTH METRIC:
    45.80 MM
    TYPE:
    OEM STROKE
    Add to Cart
    $285.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $285.95
    Subtotal:
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  • HOT RODS Crankshaft Kit 4416
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    HOT RODS Crankshaft Kit 4416

    HOT RODS

    $406.95
    HOT RODS Crankshaft Kit 4416Sold 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...
    9210516
    SKU:
    9210516
    Availability:
    Ships Same Business Day
    Weight:
    6.95 LBS
    COLOR/FINISH:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    DISPLACEMENT:
    250 CC
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    STROKE LENGTH METRIC:
    53.60 MM
    MATERIAL:
    4140 STEEL
    UNITS:
    ASSEMBLY
    FEATURES:
    STANDARD CRANKSHAFT
    MODEL:
    4-CYCLE
    TYPE:
    OEM STROKE
    Add to Cart
    $406.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $406.95
    Subtotal:
    Add to Cart
  • HOT RODS Crankshaft Assembly 4415
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    HOT RODS Crankshaft Assembly 4415

    HOT RODS

    $389.95
    HOT RODS Crankshaft Assembly 4415Sold 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...
    9210512
    SKU:
    9210512
    Availability:
    Ships Same Business Day
    Weight:
    9.85 LBS
    MATERIAL:
    4140 STEEL
    STROKE LENGTH METRIC:
    62.10 MM
    UNITS:
    ASSEMBLY
    MODEL:
    4-CYCLE
    COLOR/FINISH:
    STEEL
    DISPLACEMENT:
    450 CC
    FEATURES:
    STANDARD CRANKSHAFT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    OEM STROKE
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    Add to Cart
    $389.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $389.95
    Subtotal:
    Add to Cart
  • HOT RODS Crankshaft Assembly 4402
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    HOT RODS Crankshaft Assembly 4402

    HOT RODS

    $549.95
    Sold 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 installation, Completely...
    9210511
    SKU:
    9210511
    Weight:
    112.00 LBS
    Ships from Manufacture | Call to Order (231) 767-5055
    $549.95
    Ships from Manufacture | Call to Order (231) 767-5055 Quick view
    Qty in Cart: 0
    Price:
    $549.95
    Subtotal:
    Ships from Manufacture | Call to Order (231) 767-5055
  • HOT RODS Crankshaft Assembly 4401
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    HOT RODS Crankshaft Assembly 4401

    HOT RODS

    $318.95
    HOT RODS Crankshaft Assembly 4401Sold 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...
    9210510
    SKU:
    9210510
    Availability:
    Ships Same Business Day
    Weight:
    2.90 LBS
    COLOR/FINISH:
    STEEL
    MATERIAL:
    4140 STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    ASSEMBLY
    MODEL:
    2-CYCLE
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    DISPLACEMENT:
    50 CC
    FEATURES:
    STANDARD CRANKSHAFT
    TYPE:
    OEM STROKE
    STROKE LENGTH METRIC:
    39.96 MM
    Add to Cart
    $318.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $318.95
    Subtotal:
    Add to Cart
  • HOT RODS Crankshaft Assembly 4084
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    HOT RODS Crankshaft Assembly 4084

    HOT RODS

    $450.95
    HOT RODS Crankshaft Assembly 4084Sold 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...
    9210509
    SKU:
    9210509
    Availability:
    Ships Same Business Day
    Weight:
    9.83 LBS
    DISPLACEMENT:
    450 CC
    FEATURES:
    STANDARD CRANKSHAFT
    MODEL:
    4-CYCLE
    TYPE:
    OEM STROKE
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    MATERIAL:
    4140 STEEL
    STROKE LENGTH METRIC:
    62.10 MM
    UNITS:
    ASSEMBLY
    COLOR/FINISH:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $450.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $450.95
    Subtotal:
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  • HOT RODS Crankshaft Assembly 4023
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    HOT RODS Crankshaft Assembly 4023

    HOT RODS

    $373.95
    HOT RODS Crankshaft Assembly 4023Sold 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...
    9210508
    SKU:
    9210508
    Availability:
    Ships Same Business Day
    Weight:
    4.75 LBS
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    STROKE LENGTH METRIC:
    48.90 MM
    FEATURES:
    STANDARD CRANKSHAFT
    TYPE:
    OEM STROKE
    MODEL:
    2-CYCLE
    COLOR/FINISH:
    STEEL
    DISPLACEMENT:
    85 CC
    MATERIAL:
    4140 STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    ASSEMBLY
    Add to Cart
    $373.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $373.95
    Subtotal:
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  • HOT RODS Crankshaft Kit CBK0190
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    HOT RODS Crankshaft Kit CBK0190

    HOT RODS

    $395.95
    HOT RODS Crankshaft Kit CBK0190Assembly 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...
    9210507
    SKU:
    9210507
    Availability:
    Ships Same Business Day
    Weight:
    4.50 LBS
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Add to Cart
    $395.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $395.95
    Subtotal:
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  • Quick view

    HOT RODS Crankshaft - Stroker 4129

    HOT RODS

    $489.95
    HOT RODS Crankshaft Stroker 4129Hot 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...
    9210460
    SKU:
    9210460
    Availability:
    Ships Same Business Day
    Weight:
    7.00 LBS
    DISPLACEMENT:
    262 CC
    FEATURES:
    HEAVY DUTY CRANKSHAFT
    MATERIAL:
    4140 STEEL
    COLOR/FINISH:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH:
    57,80 MM
    TYPE:
    STROKER
    MODEL:
    4-CYCLE
    UNITS:
    ASSEMBLY
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    STROKE LENGTH METRIC:
    57.80 MM
    Add to Cart
    $489.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $489.95
    Subtotal:
    Add to Cart
  • HOT RODS Crankshaft 4019
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    HOT RODS Crankshaft 4019

    HOT RODS

    $461.95
    HOT RODS Crankshaft 4019Sold 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...
    9210457
    SKU:
    9210457
    Availability:
    Ships Same Business Day
    Weight:
    9.81 LBS
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    MODEL:
    4-CYCLE
    COLOR/FINISH:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    OEM STROKE
    DISPLACEMENT:
    450 CC
    FEATURES:
    HEAVY DUTY CRANKSHAFT
    MATERIAL:
    4140 STEEL
    STROKE LENGTH METRIC:
    62.10 MM
    UNITS:
    ASSEMBLY
    Add to Cart
    $461.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $461.95
    Subtotal:
    Add to Cart
  • HOT RODS Crankshaft Kit CBK0127
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    HOT RODS Crankshaft Kit CBK0127

    HOT RODS

    $659.95
    HOT RODS Crankshaft Kit CBK0127Assembly 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...
    9210361
    SKU:
    9210361
    Availability:
    Ships Same Business Day
    Weight:
    9.90 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    Add to Cart
    $659.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $659.95
    Subtotal:
    Add to Cart
  • HOT RODS Crankshaft Kit CBK0126
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    HOT RODS Crankshaft Kit CBK0126

    HOT RODS

    $494.95
    HOT RODS Crankshaft Kit CBK0126Assembly 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...
    9210360
    SKU:
    9210360
    Availability:
    Ships Same Business Day
    Weight:
    10.49 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    Add to Cart
    $494.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $494.95
    Subtotal:
    Add to Cart
  • HOT RODS Crankshaft Kit CBK0117
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    HOT RODS Crankshaft Kit CBK0117

    HOT RODS

    $725.95
    HOT RODS Crankshaft Kit CBK0117Assembly 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...
    9210354
    SKU:
    9210354
    Availability:
    Ships Same Business Day
    Weight:
    10.21 LBS
    TYPE:
    OEM
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    Add to Cart
    $725.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $725.95
    Subtotal:
    Add to Cart
  • HOT RODS Crankshaft Kit CBK0111
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    HOT RODS Crankshaft Kit CBK0111

    HOT RODS

    $472.95
    HOT RODS Crankshaft Kit CBK0111Assembly 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...
    9210352
    SKU:
    9210352
    Availability:
    Ships Same Business Day
    Weight:
    8.30 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    Add to Cart
    $472.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $472.95
    Subtotal:
    Add to Cart
  • HOT RODS Crankshaft Kit CBK0110
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    HOT RODS Crankshaft Kit CBK0110

    HOT RODS

    $637.95
    HOT RODS Crankshaft Kit CBK0110Assembly 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...
    9210351
    SKU:
    9210351
    Availability:
    Ships Same Business Day
    Weight:
    12.75 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    Add to Cart
    $637.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $637.95
    Subtotal:
    Add to Cart
  • HOT RODS Crankshaft Kit CBK0108
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    HOT RODS Crankshaft Kit CBK0108

    HOT RODS

    $516.95
    HOT RODS Crankshaft Kit CBK0108Assembly 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...
    9210349
    SKU:
    9210349
    Availability:
    Ships Same Business Day
    Weight:
    6.85 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    Add to Cart
    $516.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $516.95
    Subtotal:
    Add to Cart
  • HOT RODS Crankshaft Kit CBK0107
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    HOT RODS Crankshaft Kit CBK0107

    HOT RODS

    $494.95
    HOT RODS Crankshaft Kit CBK0107Assembly 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...
    9210348
    SKU:
    9210348
    Availability:
    Ships Same Business Day
    Weight:
    6.84 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    TYPE:
    OEM
    Add to Cart
    $494.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $494.95
    Subtotal:
    Add to Cart
  • HOT RODS Crankshaft Kit CBK0105
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    HOT RODS Crankshaft Kit CBK0105

    HOT RODS

    $637.95
    HOT RODS Crankshaft Kit CBK0105Assembly 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...
    9210347
    SKU:
    9210347
    Availability:
    Ships Same Business Day
    Weight:
    14.05 LBS
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    OEM
    Add to Cart
    $637.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $637.95
    Subtotal:
    Add to Cart
  • HOT RODS Crankshaft Kit CBK0104
    Quick view

    HOT RODS Crankshaft Kit CBK0104

    HOT RODS

    $259.95
    HOT RODS Crankshaft Kit CBK0104Assembly 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...
    9210346
    SKU:
    9210346
    Availability:
    Ships Same Business Day
    Weight:
    7.15 LBS
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    OEM
    Add to Cart
    $259.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $259.95
    Subtotal:
    Add to Cart
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