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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 Rear Wheel Sprocket - 49-Tooth - Zinc 17512ZP

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

    DRAG SPECIALTIES

    $56.95
    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
    $56.95
    Qty in Cart: 0
    Quantity:
    Price:
    $56.95
    Subtotal:
  • DRAG SPECIALTIES Rear Wheel Sprocket - 49-Tooth - Chrome 17512P

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

    DRAG SPECIALTIES

    $89.95
    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:
    $89.95
    Subtotal:
  • DRAG SPECIALTIES Rear Wheel Sprocket - 48-Tooth - Chrome 19217-BX20

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

    DRAG SPECIALTIES

    $89.95
    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:
    $89.95
    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

    $63.95
    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
    $63.95
    Qty in Cart: 0
    Quantity:
    Price:
    $63.95
    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

    $79.95
    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
    $79.95
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    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

    $93.95
    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
    $93.95
    Qty in Cart: 0
    Quantity:
    Price:
    $93.95
    Subtotal:
  • DRAG SPECIALTIES Rear Wheel Sprocket - 51-Tooth - Zinc 16419ZP

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

    DRAG SPECIALTIES

    $65.95
    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
    $65.95
    Qty in Cart: 0
    Quantity:
    Price:
    $65.95
    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

    $57.95
    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
    $57.95
    Qty in Cart: 0
    Quantity:
    Price:
    $57.95
    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

    $60.95
    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:
    $60.95
    Subtotal:
  • DRAG SPECIALTIES Chrome Belt Guard 76072

    DRAG SPECIALTIES Chrome Belt Guard 76072

    DRAG SPECIALTIES

    $93.95
    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:
    $93.95
    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:
  • DIAMOND 530 - Drive Chain - 106 Links DMD-5301R106NZE

    DIAMOND 530 - Drive Chain - 106 Links DMD-5301R106NZE

    DIAMOND

    $166.95
    Oil-impregnated bushing in XDL chain supplies lubrication to the pin bushing area, Made in the U.S.A.
    DS192018
    SKU:
    DS192018
    Availability:
    Ships Same Business Day
    Weight:
    3.88 LBS
    COLOR/FINISH:
    NATURAL
    CHAIN SIZE:
    530
    RIDING STYLE:
    STREET
    CHAIN TYPE:
    530 STD
    PRODUCT NAME:
    DRIVE CHAIN
    MASTER LINK CONNECTOR:
    CLIP
    MODEL:
    XDL SERIES
    UNITS:
    EACH
    $166.95
    Qty in Cart: 0
    Quantity:
    Price:
    $166.95
    Subtotal:
  • BARNETT Clutch Friction Plates 302-30-10013

    BARNETT Clutch Friction Plates 302-30-10013

    BARNETT

    $184.28
    Designed to perform under extreme heat conditions, Allow smooth, precise shifting, 100% asbestos free, Carbon fiber plates have high static and dynamic coefficient of friction for smooth positive engagement and release, Aramid plates have higher density...
    DS223353
    SKU:
    DS223353
    Availability:
    Ships Same Business Day
    Weight:
    0.88 LBS
    FRICTION PLATE MATERIAL:
    DUPONT™ KEVLAR®
    PRODUCT NAME:
    FRICTION PLATE SET
    RIDING STYLE:
    STREET
    TYPE:
    CLUTCH
    UNITS:
    SET OF 9
    $184.28
    Qty in Cart: 0
    Quantity:
    Price:
    $184.28
    Subtotal:
  • On Sale
    Belt Drives Ltd Clutch Basket 72 Tooth 1990-2006 Harley-Davidson FLSTC FLSTF FLSTCI FLSTFI FLSTI FLSTN FLSTSC FLSTSCI FXSTS FXSTB FXSTC FXSTD FXSTDI FXSTI FXSTSB FXSTSI 72-3E

    Belt Drives Ltd Clutch Basket 72 Tooth 1990-2006 Harley-Davidson FLSTC FLSTF FLSTCI FLSTFI FLSTI FLSTN FLSTSC FLSTSCI FXSTS FXSTB FXSTC FXSTD FXSTDI FXSTI FXSTSB FXSTSI 72-3E

    BELT DRIVES LTD.

    MSRP: $508.95
    Now: $458.06
    Was: $508.95
    Experience unparalleled performance with the BELT DRIVES LTD. Clutch Basket, expertly crafted from high-quality aluminum and finished with a hard anodized coating for enhanced durability. Proudly made in the U.S.A., this clutch basket is designed for...
    DS360413
    SKU:
    DS360413
    Availability:
    Ships Same Business Day
    Weight:
    7.60 LBS
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    CLUTCH BASKET
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    COLOR/FINISH:
    ANODIZED
    NUMBER OF TEETH:
    72
    MSRP: $508.95
    Now: $458.06
    Was: $508.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $508.95
    Now: $458.06
    Was: $508.95
    Subtotal:
  • On Sale
    Belt Drives Ltd Clutch Basket 76 Tooth 76-3E for Harley-Davidson 1970-1978 FLH Electra Glide DS360414

    Belt Drives Ltd Clutch Basket 76 Tooth 76-3E for Harley-Davidson 1970-1978 FLH Electra Glide DS360414

    BELT DRIVES LTD.

    MSRP: $508.95
    Now: $458.06
    Was: $508.95
    Experience superior performance with the BELT DRIVES LTD. 76 Tooth Clutch Basket, expertly crafted from high-quality aluminum and finished with a durable hard anodized coating. Designed and manufactured in the U.S.A., this clutch basket ensures precision...
    DS360414
    SKU:
    DS360414
    Availability:
    Ships Same Business Day
    Weight:
    11.95 LBS
    NUMBER OF TEETH:
    76
    MATERIAL:
    ALUMINUM
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    ANODIZED
    PRODUCT NAME:
    CLUTCH BASKET
    UNITS:
    EACH
    MSRP: $508.95
    Now: $458.06
    Was: $508.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $508.95
    Now: $458.06
    Was: $508.95
    Subtotal:
  • On Sale
    Belt Drives Ltd Front Pulley 1-5/8" 45 Tooth for 79-84 FX Shovel 84-86 Softail 45EV DS360415

    Belt Drives Ltd Front Pulley 1-5/8" 45 Tooth for 79-84 FX Shovel 84-86 Softail 45EV DS360415

    BELT DRIVES LTD.

    MSRP: $289.95
    Now: $260.96
    Was: $289.95
    Engineered for precision and durability, this front pulley is crafted from high-quality aluminum and features a hard anodized finish for enhanced wear resistance. Proudly made in the U.S.A., it is designed to deliver optimal performance and reliability...
    DS360415
    SKU:
    DS360415
    Availability:
    Ships Same Business Day
    Weight:
    2.50 LBS
    COLOR/FINISH:
    ANODIZED
    TOOTH COUNT:
    45
    UNITS:
    EACH
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    PULLEY
    RIDING STYLE:
    STREET
    TYPE:
    MOTOR SHAFT
    MSRP: $289.95
    Now: $260.96
    Was: $289.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $289.95
    Now: $260.96
    Was: $289.95
    Subtotal:
  • On Sale
    Belt Drives Ltd 3" Front Pulley for 1986-1989 Harley-Davidson Softail Models 47-OFP

    Belt Drives Ltd 3" Front Pulley for 1986-1989 Harley-Davidson Softail Models 47-OFP

    BELT DRIVES LTD.

    MSRP: $197.95
    Now: $178.16
    Was: $197.95
    Engineered for precision and durability, the BELT DRIVES LTD. 3" Front Pulley is crafted from high-quality aluminum and finished with a hard anodized coating. Proudly made in the U.S.A., this pulley ensures optimal performance and longevity in demanding...
    DS360417
    SKU:
    DS360417
    Availability:
    Ships Same Business Day
    Weight:
    2.40 LBS
    PRODUCT NAME:
    PULLEY
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    47
    TYPE:
    MOTOR SHAFT
    MSRP: $197.95
    Now: $178.16
    Was: $197.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $197.95
    Now: $178.16
    Was: $197.95
    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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