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
-
EASTERN MOTORCYCLE PARTS Lock Tabs - Inner Primary A-33318-85
EASTERN MOTORCYCLE PARTS
$17.50Replacement lock tab washersDS194397- SKU:
- DS194397
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- LOCK TAB
- RIDING STYLE:
- STREET
- TYPE:
- INNER PRIMARY
- UNITS:
- 10 PACK
$17.50 -
EASTERN MOTORCYCLE PARTS Transmission Sprocket Lock Tabs A-33335-79
EASTERN MOTORCYCLE PARTS
$16.10Made in the U.S.A.DS194398- SKU:
- DS194398
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- LOCK TAB
- RIDING STYLE:
- STREET
- TYPE:
- SPROCKET
- UNITS:
- 10 PACK
$16.10 -
EASTERN MOTORCYCLE PARTS Main Bearing Race A-35105-52
EASTERN MOTORCYCLE PARTS
$66.95Made in the U.S.A.DS195018- SKU:
- DS195018
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- PRODUCT NAME:
- BEARING RACE
- TYPE:
- MAIN
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$66.95 -
EASTERN MOTORCYCLE PARTS Starter Ratchet Bushing A-33438-50
EASTERN MOTORCYCLE PARTS
$24.95Made in the U.S.A.DS194120- SKU:
- DS194120
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
$24.95 -
EASTERN MOTORCYCLE PARTS Kickstarter Shaft Bushing A-33099-52A
EASTERN MOTORCYCLE PARTS
$22.95EASTERN MOTORCYCLE PARTS Kickstarter Shaft BushingDS194124- SKU:
- DS194124
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- BUSHING KIT
- MATERIAL:
- BRASS
- UNITS:
- PAIR
- RIDING STYLE:
- STREET
- TYPE:
- KICKSTARTER
$22.95 -
EASTERN MOTORCYCLE PARTS Countershaft Bushing - 1st and 2nd Gear A-35791-36
EASTERN MOTORCYCLE PARTS
$33.95Countershaft component for 4-speedDS194132- SKU:
- DS194132
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- TYPE:
- FIRST GEAR
- UNITS:
- EACH
- MATERIAL:
- BRONZE
- PRODUCT NAME:
- COUNTERSHAFT BUSHING
- TYPE:
- SECOND GEAR
$33.95 -
EASTERN MOTORCYCLE PARTS Countershaft Bushing - 1st and Reverse Gear A-35789-36
EASTERN MOTORCYCLE PARTS
$33.95Countershaft component for 4-speedDS194135- SKU:
- DS194135
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- BRONZE
- TYPE:
- REVERSE
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- TYPE:
- FIRST GEAR
- UNITS:
- EACH
$33.95 -
EASTERN MOTORCYCLE PARTS Shifter Fork Shaft A-34140-36
EASTERN MOTORCYCLE PARTS
$35.95Replacing this component makes shifting faster and more accurate, Made in the U.S.A.DS194214- SKU:
- DS194214
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- SHIFT FORK SHAFT
- TRANSMISSION TYPE:
- 4 SPEED
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$35.95 -
EASTERN MOTORCYCLE PARTS Bronze Bushing - 33445-89 A-33445-89
EASTERN MOTORCYCLE PARTS
$14.95High-quality bronze construction, Made in the U.S.A.21100453- SKU:
- 21100453
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- BRONZE
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- TYPE:
- INNER PRIMARY COVER
- UNITS:
- EACH
$14.95 -
EASTERN MOTORCYCLE PARTS Bronze Bushing - 33446-94 A-33446-94
EASTERN MOTORCYCLE PARTS
$20.95High-quality bronze construction, Made in the U.S.A.21100454- SKU:
- 21100454
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- BRONZE
- TYPE:
- INNER PRIMARY COVER
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$20.95 -
EASTERN MOTORCYCLE PARTS Bearing - Clutch Hub A-37906-90
EASTERN MOTORCYCLE PARTS
$82.95High-quality replacement component11320285- SKU:
- 11320285
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- TYPE:
- CLUTCH HUB
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- BEARING
$82.95 -
Rekluse TorqDrive Clutch Kit for 2014-2019 Indian Chieftain RMS-2816100
REKLUSE
$559.00Experience unparalleled performance with the REKLUSE TorqDrive® Clutch, designed to maximize your engine's potential. This innovative clutch system allows for the addition of up to six extra friction discs, enhancing torque capacity and ensuring smooth,...11300433- SKU:
- 11300433
- Availability:
- Ships Same Business Day
- Weight:
- 4.45 LBS
- RIDING STYLE:
- STREET
- MODEL:
- TORQDRIVE®
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
$559.00 -
Rekluse Slave Cylinder Kit for Harley-Davidson Touring and Softail Models 2017-2021 RMS-2415050
REKLUSE
$319.00Upgrade your motorcycle's clutch performance with the REKLUSE Slave Cylinder Kit RMS-2415050. Engineered for seamless compatibility with both OEM and aftermarket clutches, this kit enhances your riding experience by reducing hand fatigue and improving...11321394- SKU:
- 11321394
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- SLAVE CYLINDER
- TYPE:
- CLUTCH
$319.00 -
Rekluse Slave Cylinder Kit for 2013-2016 Harley-Davidson Touring and Softail Models RMS-2415051
REKLUSE
$319.00Experience a significant reduction in clutch lever pull strength with the Rekluse Slave Cylinder Kit RMS-2415051. This innovative solution not only broadens the friction zone but also brings the modulation point closer to your handlebars for enhanced...11321477- SKU:
- 11321477
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SLAVE CYLINDER
- TYPE:
- CLUTCH
- UNITS:
- KIT
$319.00 -
Rekluse RadiusX Clutch Kit for 2015-2020 Harley-Davidson Big Twin Hydraulic Clutch RMS-6205
REKLUSE
$1,129.00Experience unparalleled performance with the REKLUSE RadiusX Clutch RMS-6208, engineered for riders who demand precision and reliability. This innovative clutch system allows seamless engagement, enabling you to navigate challenging terrains and traffic...11300314- SKU:
- 11300314
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
- MODEL:
- RADIUSX
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$1,129.00 -
Rekluse RadiusX Clutch Kit for 2017-2022 KTM 500 EXC-F RMS-6231
REKLUSE
$929.00Experience unparalleled performance with the REKLUSE RadiusX Clutch, designed for riders who demand the best. This innovative auto clutch system seamlessly integrates with your existing clutch pack, enhancing power transfer and ensuring a smoother ride...11300315- SKU:
- 11300315
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
- PRODUCT NAME:
- CLUTCH KIT
- MODEL:
- RADIUSX
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$929.00 -
Rekluse RadiusX Clutch Kit for 2017-2023 KTM 500 EXC-F Six Days RMS-6215007
REKLUSE
$929.00Experience unparalleled performance with the REKLUSE RadiusX Clutch, designed to provide seamless engagement and exceptional power delivery. Say goodbye to stalls and hello to effortless riding in any condition, whether navigating through traffic or...11300316- SKU:
- 11300316
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- MODEL:
- RADIUSX
- RIDING STYLE:
- STREET
$929.00 -
DRAG SPECIALTIES Primary Tensioner Kit 15-0937K
DRAG SPECIALTIES
$99.86Used for updating an old adjuster system or when building a new bike from the ground up, Complete kit includes washers, adjuster plate, bolts, shoe, adjuster and nut11200160- SKU:
- 11200160
- Availability:
- Ships Same Business Day
- Weight:
- 1.08 LBS
- RIDING STYLE:
- STREET
- TYPE:
- PRIMARY CHAIN
- UNITS:
- KIT
- PRODUCT NAME:
- CHAIN ADJUSTER KIT
$99.86 -
DRAG SPECIALTIES Lower Belt Guard - 06 FXD/FXDWG - Chrome G32-0325
DRAG SPECIALTIES
$77.95Simple bolt-on installation12020072- SKU:
- 12020072
- Availability:
- Ships Same Business Day
- Weight:
- 1.19 LBS
- MOUNTING POSITION:
- LOWER
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- GUARD
- UNITS:
- EACH
- TYPE:
- REAR BELT
$77.95Qty in Cart: 0Quantity:Price:$77.95Subtotal: -
DRAG SPECIALTIES Low Rear Belt Guard - XL 14+ G32-0320NU
DRAG SPECIALTIES
$106.03Simple bolt-on installation12020123- SKU:
- 12020123
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- PRODUCT NAME:
- GUARD
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- LOWER
- TYPE:
- REAR BELT
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
$106.03