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
- PAUGHCO Transmission Plate - OE Type 4-Speed 218 – Heavy-duty steel for Big Twins with 4-speed transmissions.
- PBI Offset Transmission Sprocket - 22-Tooth 281-22 – CNC-machined chromoly steel with 0.750" offset for 530 chains.
- MOTOR TRIKE Mechanical Reverse Kit MTTR-0025 – Lightweight aluminum with electronic cut-off for easy parking.
- TERRY COMPONENTS Starter Spacer 779000 – Billet aluminum, 1-1/2" thick for longer starters.
- PINGEL Rear Pulley Spacer 62051 – Billet aluminum for wider tires up to 142mm.
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
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DRAG SPECIALTIES Offset Sprocket Kit - 24-Tooth 74243
DRAG SPECIALTIES
$58.80Running 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 -
DRAG SPECIALTIES Offset Sprocket Kit - 23-Tooth 74243C
DRAG SPECIALTIES
$56.66Running 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
$56.66Qty in Cart: 0Quantity:Price:$56.66Subtotal: -
DRAG SPECIALTIES Long Clutch Lever Rod 13614
DRAG SPECIALTIES
$19.03If 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 -
DRAG SPECIALTIES Long Clutch Lever Rod End 19149
DRAG SPECIALTIES
$15.85If 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 -
DRAG SPECIALTIES Rear Wheel Sprocket - 48-Tooth - Chrome 70176-BX20
DRAG SPECIALTIES
$96.25A 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 -
DRAG SPECIALTIES Rear Wheel Sprocket - 48-Tooth - Chrome 19366-BX20
DRAG SPECIALTIES
$96.25A 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
$96.25Qty in Cart: 0Quantity:Price:$96.25Subtotal: -
DRAG SPECIALTIES Rear Wheel Sprocket - 49-Tooth - Zinc 17512ZP
DRAG SPECIALTIES
$60.94A 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
$60.94Qty in Cart: 0Quantity:Price:$60.94Subtotal: -
DRAG SPECIALTIES Rear Wheel Sprocket - 49-Tooth - Chrome 17512P
DRAG SPECIALTIES
$96.25A 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
$96.25Qty in Cart: 0Quantity:Price:$96.25Subtotal: -
DRAG SPECIALTIES Rear Wheel Sprocket - 48-Tooth - Chrome 19217-BX20
DRAG SPECIALTIES
$96.25A 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
$96.25Qty in Cart: 0Quantity:Price:$96.25Subtotal: -
DRAG SPECIALTIES Lower Belt Guard - 95-99 U.S. FLST 94-99 International FLST - Chrome 75207
DRAG SPECIALTIES
$68.43Protect 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 -
DRAG SPECIALTIES Upper Belt Guard - 86-92, 94 FXST/FLST - Chrome 74663
DRAG SPECIALTIES
$85.55The 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 -
DRAG SPECIALTIES Lower Belt Guard - 86-92, 94 FLST - Chrome 72233
DRAG SPECIALTIES
$69.63A 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
$69.63Qty in Cart: 0Quantity:Price:$69.63Subtotal: -
DRAG SPECIALTIES Upper Belt Guard - 93-99 FXST/FLST L88-92 International FXST/FLST - Chrome 75832
DRAG SPECIALTIES
$100.53Protect 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 -
DRAG SPECIALTIES Rear Wheel Sprocket - 51-Tooth - Zinc 16419ZP
DRAG SPECIALTIES
$70.57A 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 -
DRAG SPECIALTIES Rear Wheel Sprocket - 51-Tooth - Big Twin - Zinc 72829P
DRAG SPECIALTIES
$62.01A 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 -
DRAG SPECIALTIES Rear Wheel Sprocket - 51-Tooth - Big Twin - XL 72828P
DRAG SPECIALTIES
$65.22A 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
$65.22Qty in Cart: 0Quantity:Price:$65.22Subtotal: -
DRAG SPECIALTIES Chrome Belt Guard 76072
DRAG SPECIALTIES
$100.53Rear 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
$100.53Qty in Cart: 0Quantity:Price:$100.53Subtotal: -
CYCLE VISIONS Rear Wheel Spacer - '99 - .250" CV-2001
CYCLE VISIONS
$60.95Proper 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 -
DIAMOND 530 - Drive Chain - 102 Links DMD-5301R102NZE
DIAMOND
$160.95Oil-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
- NUMBER OF LINKS:
- 102
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- STREET
- MASTER LINK CONNECTOR:
- CLIP
- COLOR/FINISH:
- NATURAL
- MODEL:
- XDL SERIES
- UNITS:
- EACH
$160.95 -
DIAMOND 530 - Drive Chain - 104 Links DMD-5301R104NZE
DIAMOND
$163.95Oil-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
- NUMBER OF LINKS:
- 104
- CHAIN TYPE:
- 530 STD
- COLOR/FINISH:
- NATURAL
- MODEL:
- XDL SERIES
- UNITS:
- EACH
- MASTER LINK CONNECTOR:
- CLIP
$163.95