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Harley Drivetrain

Harley Drivetrain

Harley Drivetrain

Harley Bike Drivetrain Parts at JJ Motorsports

Upgrade your Harley's drivetrain for smoother power delivery and reliability with components from JJ Motorsports. Our selection includes transmission mounting plates, offset sprockets, mechanical reverse kits, starter spacers, pulley spacers, and primary covers designed for heavy-duty use, easy bolt-in installation, and enhanced performance. Compatible with Big Twins, Softail, Dyna, and more, these parts feature chrome finishes, billet aluminum, and CNC-machined steel for corrosion resistance and custom fitment.

Shop trusted brands like Paughco for primary covers and PBI for sprockets. Explore related categories such as Harley engine parts for rebuilds or Harley suspension for balanced setups.

Top Harley Drivetrain Products

Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • DRAG SPECIALTIES Offset Sprocket Kit - 24-Tooth 74243

    DRAG SPECIALTIES Offset Sprocket Kit - 24-Tooth 74243

    DRAG SPECIALTIES

    $58.80
    Running extra-wide rubber on your cruiser or bagger? The DRAG SPECIALTIES Offset Sprocket Kit is engineered to accommodate larger tire diameters without compromising drivetrain geometry or chain alignment. This kit eliminates the need for costly frame...
    DS199496
    SKU:
    DS199496
    Availability:
    Ships Same Business Day
    Weight:
    2.69 LBS
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    SPROCKET
    CHAIN SIZE:
    530
    OFFSET IMPERIAL:
    0.200'
    TOOTH COUNT:
    24
    TYPE:
    MAINSHAFT
    UNITS:
    KIT
    $58.80
    Qty in Cart: 0
    Quantity:
    Price:
    $58.80
    Subtotal:
  • DRAG SPECIALTIES Offset Sprocket Kit - 23-Tooth 74243C

    DRAG SPECIALTIES Offset Sprocket Kit - 23-Tooth 74243C

    DRAG SPECIALTIES

    $56.66
    Running wider rear rubber demands precision engineering to maintain proper chain alignment and sprocket clearance. The DRAG SPECIALTIES Offset Sprocket Kit solves this with a factory-engineered solution that lets you mount extra-wide tires without...
    DS199497
    SKU:
    DS199497
    Availability:
    Ships Same Business Day
    Weight:
    2.56 LBS
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    BLACK
    CHAIN SIZE:
    530
    OFFSET IMPERIAL:
    0.200'
    TYPE:
    MAINSHAFT
    UNITS:
    KIT
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    23
    Qty in Cart: 0
    Quantity:
    Price:
    $56.66
    Subtotal:
  • DRAG SPECIALTIES Long Clutch Lever Rod 13614

    DRAG SPECIALTIES Long Clutch Lever Rod 13614

    DRAG SPECIALTIES

    $19.03
    If you're running a mousetrap clutch release system, lever engagement and pull distance directly impact your launch consistency and driver fatigue during extended racing sessions. The DRAG SPECIALTIES Long Clutch Lever Rod extends your mechanical...
    DS240213
    SKU:
    DS240213
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    ROD
    UNITS:
    EACH
    TYPE:
    CLUTCH LEVER
    RIDING STYLE:
    STREET
    $19.03
    Qty in Cart: 0
    Quantity:
    Price:
    $19.03
    Subtotal:
  • DRAG SPECIALTIES Long Clutch Lever Rod End 19149

    DRAG SPECIALTIES Long Clutch Lever Rod End 19149

    DRAG SPECIALTIES

    $15.85
    If you're running a long "mousetrap" clutch lever setup, the integrity of your rod end directly impacts clutch engagement consistency and lever response. A worn or damaged rod end introduces play in your clutch actuation, compromising shift precision and...
    DS240215
    SKU:
    DS240215
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    PUSHROD END
    TYPE:
    CLUTCH LEVER
    UNITS:
    EACH
    $15.85
    Qty in Cart: 0
    Quantity:
    Price:
    $15.85
    Subtotal:
  • DRAG SPECIALTIES Rear Wheel Sprocket - 48-Tooth - Chrome 70176-BX20

    DRAG SPECIALTIES Rear Wheel Sprocket - 48-Tooth - Chrome 70176-BX20

    DRAG SPECIALTIES

    $96.25
    A properly sized rear sprocket is essential for optimizing your bike's acceleration, top-end speed, and overall powerband delivery. The DRAG SPECIALTIES 48-tooth sprocket gives you the tooth count control needed to fine-tune your gearing ratio without...
    DS325348
    SKU:
    DS325348
    Availability:
    Ships Same Business Day
    Weight:
    4.80 LBS
    MOUNTING POSITION:
    REAR
    OFFSET IMPERIAL:
    CENTERED
    PRODUCT NAME:
    SPROCKET
    TYPE:
    DRIVE
    TOOTH COUNT:
    48
    CHAIN SIZE:
    530
    COLOR/FINISH:
    CHROME
    MATERIAL:
    CARBON STEEL
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    $96.25
    Qty in Cart: 0
    Quantity:
    Price:
    $96.25
    Subtotal:
  • DRAG SPECIALTIES Rear Wheel Sprocket - 48-Tooth - Chrome 19366-BX20

    DRAG SPECIALTIES Rear Wheel Sprocket - 48-Tooth - Chrome 19366-BX20

    DRAG SPECIALTIES

    $96.25
    A worn or damaged rear sprocket directly impacts your chain performance, acceleration response, and overall drivetrain efficiency. The DRAG SPECIALTIES 48-Tooth Rear Wheel Sprocket delivers reliable power transfer with hard-wearing carbon steel...
    DS325354
    SKU:
    DS325354
    Availability:
    Ships Same Business Day
    Weight:
    4.75 LBS
    CHAIN SIZE:
    530
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    CHROME
    MATERIAL:
    CARBON STEEL
    UNITS:
    EACH
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    OFFSET IMPERIAL:
    CENTERED
    TOOTH COUNT:
    48
    TYPE:
    DRIVE
    Qty in Cart: 0
    Quantity:
    Price:
    $96.25
    Subtotal:
  • DRAG SPECIALTIES Rear Wheel Sprocket - 49-Tooth - Zinc 17512ZP

    DRAG SPECIALTIES Rear Wheel Sprocket - 49-Tooth - Zinc 17512ZP

    DRAG SPECIALTIES

    $60.94
    A worn or damaged rear sprocket directly impacts acceleration, chain wear, and overall drivetrain efficiency. The DRAG SPECIALTIES 49-Tooth Rear Wheel Sprocket is a direct replacement engineered for reliable performance and extended service life. Whether...
    DS325355
    SKU:
    DS325355
    Availability:
    Ships Same Business Day
    Weight:
    4.56 LBS
    MATERIAL:
    CARBON STEEL
    OFFSET IMPERIAL:
    0.23'
    UNITS:
    EACH
    CHAIN SIZE:
    530
    COLOR/FINISH:
    ZINC
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    49
    TYPE:
    DRIVE
    Qty in Cart: 0
    Quantity:
    Price:
    $60.94
    Subtotal:
  • DRAG SPECIALTIES Rear Wheel Sprocket - 49-Tooth - Chrome 17512P

    DRAG SPECIALTIES Rear Wheel Sprocket - 49-Tooth - Chrome 17512P

    DRAG SPECIALTIES

    $96.25
    A worn or damaged rear sprocket directly impacts acceleration, top-end speed, and overall drivetrain efficiency. The DRAG SPECIALTIES 49-Tooth Rear Wheel Sprocket is precision-manufactured from high-grade carbon steel to deliver consistent power transfer...
    DS325356
    SKU:
    DS325356
    Availability:
    Ships Same Business Day
    Weight:
    4.56 LBS
    MATERIAL:
    CARBON STEEL
    OFFSET IMPERIAL:
    0.23'
    PRODUCT NAME:
    SPROCKET
    TYPE:
    DRIVE
    UNITS:
    EACH
    CHAIN SIZE:
    530
    TOOTH COUNT:
    49
    COLOR/FINISH:
    CHROME
    MOUNTING POSITION:
    REAR
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $96.25
    Subtotal:
  • DRAG SPECIALTIES Rear Wheel Sprocket - 48-Tooth - Chrome 19217-BX20

    DRAG SPECIALTIES Rear Wheel Sprocket - 48-Tooth - Chrome 19217-BX20

    DRAG SPECIALTIES

    $96.25
    A properly sized rear sprocket is critical to your bike's acceleration, top speed, and overall drivetrain efficiency. The DRAG SPECIALTIES 48-tooth rear sprocket delivers the durability and precision fit your bike demands, whether you're dialing in...
    DS325357
    SKU:
    DS325357
    Availability:
    Ships Same Business Day
    Weight:
    4.68 LBS
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    TYPE:
    DRIVE
    UNITS:
    EACH
    TOOTH COUNT:
    48
    CHAIN SIZE:
    530
    COLOR/FINISH:
    CHROME
    MATERIAL:
    CARBON STEEL
    OFFSET IMPERIAL:
    0.46'
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $96.25
    Subtotal:
  • DRAG SPECIALTIES Lower Belt Guard - 95-99 U.S. FLST 94-99 International FLST - Chrome 75207

    DRAG SPECIALTIES Lower Belt Guard - 95-99 U.S. FLST 94-99 International FLST - Chrome 75207

    DRAG SPECIALTIES

    $68.43
    Protect your primary drivetrain from road debris, moisture, and impact damage with a belt guard engineered for Harley-Davidson touring and cruiser models. This chrome-finished guard maintains clean aesthetics while shielding your belt from contamination...
    DS325120
    SKU:
    DS325120
    Availability:
    Ships Same Business Day
    Weight:
    1.44 LBS
    MOUNTING POSITION:
    LOWER
    RIDING STYLE:
    STREET
    TYPE:
    REAR BELT
    MATERIAL:
    STEEL
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    GUARD
    UNITS:
    EACH
    $68.43
    Qty in Cart: 0
    Quantity:
    Price:
    $68.43
    Subtotal:
  • DRAG SPECIALTIES Upper Belt Guard - 86-92, 94 FXST/FLST - Chrome 74663

    DRAG SPECIALTIES Upper Belt Guard - 86-92, 94 FXST/FLST - Chrome 74663

    DRAG SPECIALTIES

    $85.55
    The Upper Belt Guard protects your primary drive system from road debris, moisture, and contamination while maintaining the clean aesthetic your bike deserves. A properly shielded belt runs cooler and lasts significantly longer, reducing maintenance...
    DS325204
    SKU:
    DS325204
    Availability:
    Ships Same Business Day
    Weight:
    2.05 LBS
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    STREET
    TYPE:
    REAR BELT
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    UPPER
    PRODUCT NAME:
    GUARD
    UNITS:
    EACH
    $85.55
    Qty in Cart: 0
    Quantity:
    Price:
    $85.55
    Subtotal:
  • DRAG SPECIALTIES Lower Belt Guard - 86-92, 94 FLST - Chrome 72233

    DRAG SPECIALTIES Lower Belt Guard - 86-92, 94 FLST - Chrome 72233

    DRAG SPECIALTIES

    $69.63
    A lower belt guard protects your primary drivetrain from debris, moisture, and accidental contact during operation and maintenance—essential for maintaining the longevity of your belt and drive components. Chrome finishing delivers classic Harley styling...
    DS325206
    SKU:
    DS325206
    Availability:
    Ships Same Business Day
    Weight:
    0.92 LBS
    UNITS:
    EACH
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    LOWER
    TYPE:
    REAR BELT
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    GUARD
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $69.63
    Subtotal:
  • DRAG SPECIALTIES Upper Belt Guard - 93-99 FXST/FLST L88-92 International FXST/FLST - Chrome 75832

    DRAG SPECIALTIES Upper Belt Guard - 93-99 FXST/FLST L88-92 International FXST/FLST - Chrome 75832

    DRAG SPECIALTIES

    $100.53
    Protect your belt drive system from debris, moisture, and premature wear with the Drag Specialties Upper Belt Guard. This OEM-quality chrome guard shields critical drivetrain components while maintaining clean aesthetics on your Harley-Davidson. A...
    DS325199
    SKU:
    DS325199
    Availability:
    Ships Same Business Day
    Weight:
    2.13 LBS
    UNITS:
    EACH
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    GUARD
    RIDING STYLE:
    STREET
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    UPPER
    TYPE:
    REAR BELT
    $100.53
    Qty in Cart: 0
    Quantity:
    Price:
    $100.53
    Subtotal:
  • DRAG SPECIALTIES Rear Wheel Sprocket - 51-Tooth - Zinc 16419ZP

    DRAG SPECIALTIES Rear Wheel Sprocket - 51-Tooth - Zinc 16419ZP

    DRAG SPECIALTIES

    $70.57
    A properly matched rear sprocket is critical to your bike's acceleration, top-end speed, and overall drivetrain efficiency. This DRAG SPECIALTIES 51-tooth sprocket delivers reliable performance for riders who demand consistent power delivery and...
    DS325337
    SKU:
    DS325337
    Availability:
    Ships Same Business Day
    Weight:
    5.06 LBS
    MATERIAL:
    CARBON STEEL
    OFFSET IMPERIAL:
    0.23'
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    51
    TYPE:
    DRIVE
    UNITS:
    EACH
    CHAIN SIZE:
    530
    COLOR/FINISH:
    ZINC
    MOUNTING POSITION:
    REAR
    RIDING STYLE:
    STREET
    $70.57
    Qty in Cart: 0
    Quantity:
    Price:
    $70.57
    Subtotal:
  • DRAG SPECIALTIES Rear Wheel Sprocket - 51-Tooth - Big Twin - Zinc 72829P

    DRAG SPECIALTIES Rear Wheel Sprocket - 51-Tooth - Big Twin - Zinc 72829P

    DRAG SPECIALTIES

    $62.01
    A worn or mismatched rear sprocket directly impacts your Big Twin's acceleration, top-end power delivery, and chain wear rates. The DRAG SPECIALTIES 51-tooth sprocket is precision-engineered to restore stock gearing geometry while maintaining the...
    DS325339
    SKU:
    DS325339
    Availability:
    Ships Same Business Day
    Weight:
    2.55 LBS
    UNITS:
    EACH
    CHAIN SIZE:
    530
    RIDING STYLE:
    STREET
    MATERIAL:
    STEEL
    TYPE:
    DRIVE
    COLOR/FINISH:
    ZINC
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    51
    $62.01
    Qty in Cart: 0
    Quantity:
    Price:
    $62.01
    Subtotal:
  • DRAG SPECIALTIES Rear Wheel Sprocket - 51-Tooth - Big Twin - XL 72828P

    DRAG SPECIALTIES Rear Wheel Sprocket - 51-Tooth - Big Twin - XL 72828P

    DRAG SPECIALTIES

    $65.22
    A properly sized rear sprocket is fundamental to your Big Twin's power delivery and acceleration characteristics. The DRAG SPECIALTIES 51-tooth sprocket delivers the ideal balance of low-end torque and top-end capability for street and strip applications...
    DS325340
    SKU:
    DS325340
    Availability:
    Ships Same Business Day
    Weight:
    2.26 LBS
    COLOR/FINISH:
    ZINC
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    51
    CHAIN SIZE:
    530
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $65.22
    Subtotal:
  • DRAG SPECIALTIES Chrome Belt Guard 76072

    DRAG SPECIALTIES Chrome Belt Guard 76072

    DRAG SPECIALTIES

    $100.53
    Rear belt guards protect your drivetrain from road debris and accidental contact while maintaining a clean, finished appearance on your bike. Whether you're running a custom build or restoring a classic cruiser, this stamped-steel guard offers reliable...
    19027607
    SKU:
    19027607
    Availability:
    Ships Same Business Day
    Weight:
    1.95 LBS
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    STREET
    STYLE:
    UPPER
    PRODUCT NAME:
    GUARD
    UNITS:
    EACH
    MATERIAL:
    STEEL
    TYPE:
    REAR BELT
    Qty in Cart: 0
    Quantity:
    Price:
    $100.53
    Subtotal:
  • CYCLE VISIONS Rear Wheel Spacer - '99 - .250" CV-2001

    CYCLE VISIONS Rear Wheel Spacer - '99 - .250" CV-2001

    CYCLE VISIONS

    $60.95
    Proper rear wheel spacing is critical for maintaining hub integrity and ensuring your drivetrain operates at peak efficiency. This CYCLE VISIONS spacer delivers precision-engineered fitment for '99 Harley-Davidson models, eliminating play while...
    12010054
    SKU:
    12010054
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    FEATURES:
    FOR '84 - '89 WHEELS
    MATERIAL:
    6061-T6 ALUMINUM
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    TYPE:
    PULLEY
    WIDTH IMPERIAL:
    0.250'
    COLOR/FINISH:
    MACHINED
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPACER
    MODEL:
    THE CORRECT
    $60.95
    Qty in Cart: 0
    Quantity:
    Price:
    $60.95
    Subtotal:
  • DIAMOND 530 - Drive Chain - 102 Links DMD-5301R102NZE

    DIAMOND 530 - Drive Chain - 102 Links DMD-5301R102NZE

    DIAMOND

    $160.95
    Oil-impregnated bushing in XDL chain supplies lubrication to the pin bushing area, Made in the U.S.A.
    DS192014
    SKU:
    DS192014
    Availability:
    Ships Same Business Day
    Weight:
    3.69 LBS
    CHAIN SIZE:
    530
    CHAIN TYPE:
    530 STD
    PRODUCT NAME:
    DRIVE CHAIN
    RIDING STYLE:
    STREET
    MASTER LINK CONNECTOR:
    CLIP
    COLOR/FINISH:
    NATURAL
    MODEL:
    XDL SERIES
    UNITS:
    EACH
    $160.95
    Qty in Cart: 0
    Quantity:
    Price:
    $160.95
    Subtotal:
  • DIAMOND 530 - Drive Chain - 104 Links DMD-5301R104NZE

    DIAMOND 530 - Drive Chain - 104 Links DMD-5301R104NZE

    DIAMOND

    $163.95
    Oil-impregnated bushing in XDL chain supplies lubrication to the pin bushing area, Made in the U.S.A.
    DS192016
    SKU:
    DS192016
    Availability:
    Ships Same Business Day
    Weight:
    4.00 LBS
    PRODUCT NAME:
    DRIVE CHAIN
    RIDING STYLE:
    STREET
    CHAIN SIZE:
    530
    CHAIN TYPE:
    530 STD
    COLOR/FINISH:
    NATURAL
    MODEL:
    XDL SERIES
    UNITS:
    EACH
    MASTER LINK CONNECTOR:
    CLIP
    $163.95
    Qty in Cart: 0
    Quantity:
    Price:
    $163.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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