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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EASTERN MOTORCYCLE PARTS Bearing - 9231 41-0111
EASTERN MOTORCYCLE PARTS
$49.95High-quality replacement component, Fits OEM and most aftermarket inner primaries11200309- SKU:
- 11200309
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BEARING
- TYPE:
- INNER PRIMARY MAINSHAFT
$49.95 -
On Sale
EBC Clutch Kit SRK7024
EBC
MSRP: $279.42Now: $265.45Was: $279.42Include aramid fiber-lined friction plates, steel separator plates and springs, Designed to withstand the rigors of hard street and racetrack use11313289- SKU:
- 11313289
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- TYPE:
- FRICTION PLATE SET
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
MSRP: $279.42Now: $265.45Was: $279.42Qty in Cart: 0Quantity:Price:MSRP: $279.42Now: $265.45Was: $279.42Subtotal: -
On Sale
EBC Clutch Kit SRC7019
EBC
MSRP: $222.85Now: $211.71Was: $222.85Aramid fiber paper-lined plate set, complete with heavy-duty clutch springs, SRC kits have longer plate life and higher heat resistance, SRC kits have a more aggressive/faster clutch takeup than the CK standard series clutch kits11313322- SKU:
- 11313322
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- FRICTION PLATE SET
MSRP: $222.85Now: $211.71Was: $222.85Qty in Cart: 0Quantity:Price:MSRP: $222.85Now: $211.71Was: $222.85Subtotal: -
Jims Transmission Sprocket Spacer for Harley FLH Electra Glide 1980-1983 33334-79
JIMS
$52.95Enhance the performance and longevity of your motorcycle with the JIMS Transmission Sprocket Spacer 33334-79. Crafted with precision, this spacer features a smooth finish that promotes a longer seal life and ensures optimal functionality. Proudly made in...DS197052- SKU:
- DS197052
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- LENGTH:
- 0.687'
- PRODUCT NAME:
- TRANSMISSION SPROCKET SPACER
- TRANSMISSION TYPE:
- 5 SPEED
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$52.95 -
Jims Shifter Shaft Bushings 1977-2003 Harley-Davidson XLH XLCH XLCR XLX 40520-63
JIMS
$31.95Upgrade your motorcycle's performance with JIMS Shifter Shaft Bushings, crafted with precision and quality in the USA. These high-performance replacements ensure smooth shifting and enhanced durability, making them an essential addition for any serious...DS194253- SKU:
- DS194253
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- TYPE:
- SHIFTER SHAFT
- UNITS:
- PAIR
$31.95Qty in Cart: 0Quantity:Price:$31.95Subtotal: -
Jims Extended Kick Starter Shaft for Harley-Davidson 1936-1986 33096-54AL
JIMS
$131.95Upgrade your motorcycle's performance with the JIMS Kickstarter Shaft 33096-54AL. This precision-machined replacement shaft is engineered for durability and reliability, ensuring a perfect fit for your bike. Proudly made in the U.S.A., it combines...DS196012- SKU:
- DS196012
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- TYPE:
- 4-SPEED
- UNITS:
- EACH
- SIZE:
- OVERSIZE (+0,750')
- PRODUCT NAME:
- KICKSTARTER SHAFT
- RIDING STYLE:
- STREET
$131.95Qty in Cart: 0Quantity:Price:$131.95Subtotal: -
Jims 5-Speed Transmission Rebuild Kit 1980-1983 FLT Tour Glide 1019
JIMS
$371.95Revitalize your motorcycle's transmission with the JIMS 5-Speed Rebuild Kit 1019. This comprehensive kit is designed to provide everything you need for a smooth and reliable rebuild, ensuring optimal performance and longevity. Crafted with precision in...DS325779- SKU:
- DS325779
- Availability:
- Ships Same Business Day
- Weight:
- 2.44 LBS
- MODEL:
- A CUT ABOVE
- STYLE:
- REPLACEMENT
- UNITS:
- KIT
- TRANSMISSION TYPE:
- 5 SPEED
- PRODUCT NAME:
- TRANSMISSION MASTER KIT
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION MASTER KIT
$371.95 -
EASTERN MOTORCYCLE PARTS Shift Arm Screw A-33119-79B
EASTERN MOTORCYCLE PARTS
$8.95High-quality OEM replacement component11100044- SKU:
- 11100044
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- ADJUSTING SCREW
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- SHIFTER ARM
$8.95 -
EASTERN MOTORCYCLE PARTS 4-Speed Shifter Cam A-34040-52
EASTERN MOTORCYCLE PARTS
$4.00High-quality OEM replacement components11060018- SKU:
- 11060018
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- RETAINING RING
- TYPE:
- SHIFTER CAM
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- STYLE:
- OEM REPLACEMENT
- TRANSMISSION TYPE:
- 4 SPEED
$4.00 -
DRAG SPECIALTIES Rear Wheel Sprocket - 47-Tooth - Chrome 19433P
DRAG SPECIALTIES
$100.83High-grade carbon steel replacement rear wheel sprocket, 1.9" center hole12100981- SKU:
- 12100981
- Availability:
- Ships Same Business Day
- Weight:
- 4.60 LBS
- CHAIN SIZE:
- 530
- MATERIAL:
- CARBON STEEL
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 47
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- OFFSET IMPERIAL:
- 0.23'
- TYPE:
- DRIVE
$100.83Qty in Cart: 0Quantity:Price:$100.83Subtotal: -
On Sale
Belt Drives Ltd 65 Tooth Rear Belt Pulley for 1999 Harley-Davidson FLHR Road King RPMSB-65T
BELT DRIVES LTD.
MSRP: $597.95Now: $538.16Was: $597.95Engineered for precision and performance, the BELT DRIVES LTD. Rear Belt Pulley features a robust CNC billet aluminum construction. Each tooth is meticulously gear-cut to RMA standards, ensuring an impeccable fit with your belt, enhancing both durability...12010874- SKU:
- 12010874
- Availability:
- Ships Same Business Day
- Weight:
- 4.85 LBS
- COLOR/FINISH:
- BLACK
- TYPE:
- REAR
- RIDING STYLE:
- STREET
- STYLE:
- MESH
- PRODUCT NAME:
- PULLEY
- TOOTH COUNT:
- 65
- UNITS:
- EACH
MSRP: $597.95Now: $538.16Was: $597.95Qty in Cart: 0Quantity:Price:MSRP: $597.95Now: $538.16Was: $597.95Subtotal: -
DP BRAKES Clutch Plates DPHK513
DP BRAKES
$61.95Specifically designed to provide extended clutch life, fade- and slip-free operation and superior shifting, Steel clutch plates won't expand; do not fade or promote clutch swell, Long lasting - up to 300% more life than stock plates11310292- SKU:
- 11310292
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- DRIVE PLATE MATERIAL:
- STEEL
- MODEL:
- DPHK SERIES
- TYPE:
- CLUTCH
- UNITS:
- SET OF 5
- PRODUCT NAME:
- DRIVE PLATE SET
- RIDING STYLE:
- STREET
$61.95Qty in Cart: 0Quantity:Price:$61.95Subtotal: -
DP BRAKES Clutch Fibers DPHK512
DP BRAKES
$143.95Specifically designed to provide extended clutch life, fade- and slip-free operation and superior shifting, Friction plates have DP Brake's exclusive high-heat friction materials for fade-free performance, More durable than OEM plates, Long lasting - up...11310291- SKU:
- 11310291
- Availability:
- Ships Same Business Day
- Weight:
- 1.81 LBS
- PRODUCT NAME:
- FRICTION PLATE SET
- FRICTION PLATE MATERIAL:
- CARBON FIBER
- MODEL:
- DPHK SERIES
- TYPE:
- CLUTCH
- UNITS:
- SET OF 7
- RIDING STYLE:
- STREET
$143.95Qty in Cart: 0Quantity:Price:$143.95Subtotal: -
DP BRAKES Clutch Fibers DPHK511
DP BRAKES
$155.95Specifically designed to provide extended clutch life, fade- and slip-free operation and superior shifting, Friction plates have DP Brake's exclusive high-heat friction materials for fade-free performance, More durable than OEM plates, Long lasting - up...11310290- SKU:
- 11310290
- Availability:
- Ships Same Business Day
- Weight:
- 0.89 LBS
- UNITS:
- SET OF 8
- MODEL:
- DPHK SERIES
- TYPE:
- CLUTCH
- FRICTION PLATE MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FRICTION PLATE SET
$155.95Qty in Cart: 0Quantity:Price:$155.95Subtotal: -
DP BRAKES Clutch Fibers DPHK502
DP BRAKES
$121.95Specifically designed to provide extended clutch life, fade- and slip-free operation and superior shifting, Friction plates have DP Brake's exclusive high-heat friction materials for fade-free performance, More durable than OEM plates, Long lasting - up...11310281- SKU:
- 11310281
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MODEL:
- DPHK SERIES
- TYPE:
- CLUTCH
- UNITS:
- SET OF 6
- PRODUCT NAME:
- FRICTION PLATE SET
- FRICTION PLATE MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
$121.95Qty in Cart: 0Quantity:Price:$121.95Subtotal: -
On Sale
Belt Drives Ltd 3" Belt Drive with Support for Harley-Davidson Softail 1990-2006 EVOB-900
BELT DRIVES LTD.
MSRP: $3,297.95Now: $2,968.16Was: $3,297.95This 3" belt drive kit is engineered for superior performance and durability, featuring an outboard bearing support that enhances stability for your rear shaft. Designed in the spirit of BDL's renowned "Top Fuel" belt kits, it includes a robust aramid...11200255- SKU:
- 11200255
- Availability:
- Ships Same Business Day
- Weight:
- 44.20 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- COLOR/FINISH:
- POLISHED
- UNITS:
- EACH
- WIDTH IMPERIAL:
- 3'
- MATERIAL:
- 6061-ALUMINUM
- PRODUCT NAME:
- BELT DRIVE KIT
- MATERIAL:
- KEVLAR
MSRP: $3,297.95Now: $2,968.16Was: $3,297.95 -
FEULING OIL PUMP CORP. American Derby Cover - Black 9162
FEULING OIL PUMP CORP.
$159.95Dress your motorcycle in style with a FEULING® derby cover, machined from billet 6061 aluminum, Bolts onto the factory primary cover, Show Polished with engraved American Flag Logo11070616- SKU:
- 11070616
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- GLOSS
- TYPE:
- DERBY
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
JIMS Shifter Upgrade Harley-Davidson 1986-2000 Softail Dyna Touring 8070
JIMS
$649.95Transform your early-model 5-speed Big Twin with the JIMS Shifter Upgrade 8070, engineered to enhance performance and reliability. This upgrade features the latest advancements in shifter technology, ensuring a smoother and more precise shifting...11100043- SKU:
- 11100043
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- PRODUCT NAME:
- SHIFTER KIT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$649.95Qty in Cart: 0Quantity:Price:$649.95Subtotal: -
Jims Shift Fork Shaft for Harley-Davidson Big Twin 1936-1986 34186-76
JIMS
$46.95Introducing the JIMS Shift Fork Shaft 34186-76, engineered for optimal performance and durability. Proudly made in the U.S.A., this component is designed to enhance the shifting experience of your motorcycle. Trust in JIMS quality to keep your ride...DS194251- SKU:
- DS194251
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- STREET
- TRANSMISSION TYPE:
- 4 SPEED
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SHIFT FORK SHAFT KIT
- UNITS:
- KIT
$46.95 -
Jims Gear Mainshaft Bushing for Harley-Davidson FL 1941-1947 35322-38
JIMS
$39.95The JIMS Gear Mainshaft Bushing 35322-38 is a high-quality replacement part designed to enhance the performance and longevity of your motorcycle's transmission system. Crafted from durable materials, this bushing ensures a precise fit and optimal...DS194252- SKU:
- DS194252
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- TYPE:
- SECOND GEAR
- TYPE:
- MAINSHAFT
- TYPE:
- THIRD GEAR
- UNITS:
- EACH
$39.95
