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 Kicker Spring 11-0111-BC206
DRAG SPECIALTIES
$22.21The Drag Specialties Kicker Spring is a direct replacement component engineered to restore proper suspension geometry and ride height on your motorcycle. Over time, factory springs lose preload and compression characteristics, directly affecting...DS241005- SKU:
- DS241005
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- UNITS:
- EACH
- TYPE:
- KICK RETURN
- PRODUCT NAME:
- SPRING
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
$22.21 -
DRAG SPECIALTIES Clutch Hub Lock Washers 17-0008-10-HC3
DRAG SPECIALTIES
$19.03Clutch hub lock washers are critical fastening components that prevent your clutch assembly from vibrating loose during high-RPM operation. A single failed washer can result in catastrophic clutch slippage or complete drivetrain failure, making reliable...DS194395- SKU:
- DS194395
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- LOCK WASHER
- TYPE:
- CLUTCH HUB
- UNITS:
- 10 PACK
$19.03 -
DRAG SPECIALTIES Clutch Hub Lining with Rivets 17-0002-SC2
DRAG SPECIALTIES
$11.61A worn or damaged clutch hub lining directly impacts your power transfer efficiency and throttle response—especially critical in drag racing where every fraction of a second matters. This DRAG SPECIALTIES replacement lining restores OEM-spec friction...DS194995- SKU:
- DS194995
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- LINING
- TYPE:
- CLUTCH HUB
- UNITS:
- KIT
$11.61 -
DRAG SPECIALTIES Clutch Hub Roller Retainer 17-0018-A-BC251
DRAG SPECIALTIES
$22.21A worn or damaged clutch hub roller retainer compromises engagement consistency and can lead to premature clutch failure—especially under high-load riding conditions. This OEM-equivalent replacement from Drag Specialties restores precise roller...DS194999- SKU:
- DS194999
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- UNITS:
- EACH
- TYPE:
- CLUTCH HUB
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- ROLLER RETAINER
$22.21 -
DRAG SPECIALTIES Chrome Kick Start Cover 26-0202C-K
DRAG SPECIALTIES
$177.02If you're building a custom or vintage motorcycle, the appearance of your primary cover matters as much as its function. The DRAG Specialties Chrome Kick Start Cover delivers a polished aesthetic while providing reliable access to your clutch release...11050041- SKU:
- 11050041
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- COVER
- MOUNTING STYLE:
- 9 HOLE
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- TYPE:
- KICK STARTER
$177.02 -
DRAG SPECIALTIES Transmission Top Cover - Chrome I35-0028
DRAG SPECIALTIES
$109.13A quality transmission top cover is essential for protecting internal components while maintaining a finished, cohesive aesthetic on your engine bay. The DRAG SPECIALTIES chrome finish complements both modern and classic builds, while the included...11050033- SKU:
- 11050033
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- COLOR/FINISH:
- POWDER-COATED
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- MOUNTING STYLE:
- 6 HOLE
- TYPE:
- TRANSMISSION TOP
- UNITS:
- EACH
$109.13 -
DRAG SPECIALTIES Kick Shaft with Fingers 26-0202-B
DRAG SPECIALTIES
$35.99A worn or damaged kick shaft assembly compromises clutch engagement and creates sloppy lever feel—both critical issues for consistent launches and reliable street riding. The DRAG SPECIALTIES Kick Shaft with Fingers (26-0202-B) restores precise actuation...11120032- SKU:
- 11120032
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PRODUCT NAME:
- CLUTCH RELEASE SHAFT AND FINGER
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$35.99 -
DRAG SPECIALTIES Kickstarter Rebuild Kit 26-0201C-B
DRAG SPECIALTIES
$165.31When your OEM or DS-241027 kickstarter shows signs of wear, a complete internal rebuild restores reliability and performance without the cost of full replacement. This comprehensive kit supplies every wear-prone component—shaft, gears, bushings, seals,...11120034- SKU:
- 11120034
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- TYPE:
- KICKSTARTER
- UNITS:
- EACH
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
$165.31 -
DRAG SPECIALTIES Sprocket Shaft Extension - 4-Speed 26-0019
DRAG SPECIALTIES
$99.59A worn or damaged sprocket shaft extension compromises your 4-speed transmission's ability to maintain precise chain engagement and power delivery. This DRAG SPECIALTIES replacement restores OEM tolerances and reliability, ensuring consistent performance...11200269- SKU:
- 11200269
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STEEL
- TYPE:
- SPROCKET
- PRODUCT NAME:
- SHAFT EXTENSION
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$99.59 -
DRAG SPECIALTIES Sprocket Shaft Extension - 5-Speed 26-0018
DRAG SPECIALTIES
$56.13A worn or damaged sprocket shaft extension compromises clutch engagement and transmission synchronization, directly affecting your shift quality and power delivery. This DRAG SPECIALTIES replacement restores OEM-spec tolerances and reliability, ensuring...11200270- SKU:
- 11200270
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- COLOR/FINISH:
- CHROME
- TYPE:
- SPROCKET
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SHAFT EXTENSION
$56.13Qty in Cart: 0Quantity:Price:$56.13Subtotal: -
DRAG SPECIALTIES 6-Hole - Chrome - Live to Ride Derby Cover 33-0067CG
DRAG SPECIALTIES
$63.95A quality derby cover serves as both a functional protective component and a visible expression of your bike's aesthetic. This chrome 6-hole cover from Drag Specialties delivers durability and style without compromise, featuring precision detailing that...11070629- SKU:
- 11070629
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MODEL:
- LIVE TO RIDE
- MOUNTING STYLE:
- 6 HOLE
- PRODUCT NAME:
- DERBY COVER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- STYLE:
- EAGLE WITH BANNER
$63.95 -
DRAG SPECIALTIES 6-Hole - Gold - Live to Ride Derby Cover 33-0067CGA
DRAG SPECIALTIES
$116.95A derby cover serves as both a protective barrier and a visual statement on your bike—protecting your primary cover from road debris while giving your engine a finished, polished appearance. This Drag Specialties piece combines functional durability with...11070630- SKU:
- 11070630
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MODEL:
- LIVE TO RIDE
- MOUNTING STYLE:
- 6 HOLE
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- DERBY COVER
- STYLE:
- EAGLE WITH BANNER
- UNITS:
- EACH
$116.95 -
DRAG SPECIALTIES Skull Derby Cover - Chrome - 6 Hole 33-0067SKD
DRAG SPECIALTIES
$92.95A quality derby cover does more than protect your primary cover from debris and wear—it establishes the visual presence of your bike and signals attention to detail that separates builds from stock setups. The DRAG Specialties Skull Derby Cover delivers...11070631- SKU:
- 11070631
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- STYLE:
- 3-D SKULL
- PRODUCT NAME:
- DERBY COVER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- CHROME
- MOUNTING STYLE:
- 6 HOLE
$92.95 -
DRAG SPECIALTIES 5-Hole - Gold - Live to Ride Derby Cover D33-0110GA
DRAG SPECIALTIES
$131.95A derby cover serves as both functional protection and a statement piece on your motorcycle's primary drivetrain. The Drag Specialties 5-Hole Gold Derby Cover delivers precision craftsmanship with its detailed plated eagle imagery and recessed script...11070555- SKU:
- 11070555
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- PRODUCT NAME:
- DERBY COVER
- UNITS:
- EACH
- COLOR/FINISH:
- GOLD
- COLOR/FINISH:
- SILVER
- MODEL:
- LIVE TO RIDE
- MOUNTING STYLE:
- 5 HOLE
- STYLE:
- EAGLE WITH BANNER
- RIDING STYLE:
- STREET
$131.95 -
DRAG SPECIALTIES Derby Cover D33-0118MB
DRAG SPECIALTIES
$76.95A quality derby cover protects your engine's internal components from moisture, debris, and contamination while maintaining a finished appearance on your primary cover. Whether you're building a custom cruiser or maintaining a high-mileage machine, a...11070659- SKU:
- 11070659
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- MATTE BLACK
- PRODUCT NAME:
- DERBY COVER
$76.95 -
DRAG SPECIALTIES Derby Cover D33-0118GB
DRAG SPECIALTIES
$76.95A derby cover serves as both functional protection and aesthetic enhancement for your primary cover. This DRAG SPECIALTIES unit shields internal engine components from dirt, debris, and moisture while giving your bike a finished, intentional appearance...11070660- SKU:
- 11070660
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COLOR/FINISH:
- GLOSS BLACK
- PRODUCT NAME:
- DERBY COVER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$76.95Qty in Cart: 0Quantity:Price:$76.95Subtotal: -
DRAG SPECIALTIES Derby Cover D33-0118WB
DRAG SPECIALTIES
$76.95A derby cover protects your engine's internal components from dirt, debris, and weather exposure while maintaining a clean, finished appearance on your primary cover. Whether you're running a stock setup or a custom build, a quality derby cover is...11070661- SKU:
- 11070661
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- COLOR/FINISH:
- WRINKLE BLACK
- PRODUCT NAME:
- DERBY COVER
- RIDING STYLE:
- STREET
$76.95 -
DRAG SPECIALTIES Derby Cover D33-0118C
DRAG SPECIALTIES
$57.95A derby cover protects your engine's internal components from contamination and moisture while maintaining a clean, finished appearance on your bike's primary cover. Whether you're doing frequent maintenance or simply want to extend engine longevity, a...11070662- SKU:
- 11070662
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- DERBY COVER
$57.95 -
DRAG SPECIALTIES Outer Primary Cover - Chrome - '95-'98 Softail 11-0293K
DRAG SPECIALTIES
$388.95A quality primary cover protects your engine's most critical drivetrain components while maintaining the clean aesthetic your Softail deserves. This DRAG SPECIALTIES outer primary cover combines durable die-cast aluminum construction with OEM fitment,...11070035- SKU:
- 11070035
- Availability:
- Ships Same Business Day
- Weight:
- 8.86 LBS
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- TYPE:
- OUTER PRIMARY
- UNITS:
- EACH
$388.95Qty in Cart: 0Quantity:Price:$388.95Subtotal: -
DRAG SPECIALTIES 3 Hole Chrome Live to Ride Derby Cover 33-0010CA
DRAG SPECIALTIES
$66.95A derby cover serves as both a functional protection and a visual statement on your Harley-Davidson. This Drag Specialties piece shields your clutch basket while delivering the polished, detailed aesthetic that separates a well-appointed machine from the...11070155- SKU:
- 11070155
- Availability:
- Ships Same Business Day
- Weight:
- 0.72 LBS
- MOUNTING STYLE:
- 3 HOLE
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- DERBY COVER
- UNITS:
- EACH
- MODEL:
- LIVE TO RIDE
- STYLE:
- EAGLE WITH BANNER
$66.95
