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
-
On Sale
EBC Clutch Kit SRK7019
EBC
MSRP: $310.15Now: $294.64Was: $310.15Include aramid fiber-lined friction plates, steel separator plates and springs, Designed to withstand the rigors of hard street and racetrack use11313284- SKU:
- 11313284
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- TYPE:
- FRICTION PLATE SET
MSRP: $310.15Now: $294.64Was: $310.15 -
On Sale
EBC Clutch Kit SRK7020
EBC
MSRP: $310.15Now: $294.64Was: $310.15Include aramid fiber-lined friction plates, steel separator plates and springs, Designed to withstand the rigors of hard street and racetrack use11313285- SKU:
- 11313285
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- FRICTION PLATE SET
- RIDING STYLE:
- STREET
- UNITS:
- KIT
MSRP: $310.15Now: $294.64Was: $310.15 -
On Sale
EBC Clutch Kit SRK7021
EBC
MSRP: $310.15Now: $294.64Was: $310.15Include aramid fiber-lined friction plates, steel separator plates and springs, Designed to withstand the rigors of hard street and racetrack use11313286- SKU:
- 11313286
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- TYPE:
- FRICTION PLATE SET
MSRP: $310.15Now: $294.64Was: $310.15 -
On Sale
EBC Clutch Kit SRK7022
EBC
MSRP: $280.94Now: $266.89Was: $280.94Include aramid fiber-lined friction plates, steel separator plates and springs, Designed to withstand the rigors of hard street and racetrack use11313287- SKU:
- 11313287
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
- TYPE:
- FRICTION PLATE SET
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
MSRP: $280.94Now: $266.89Was: $280.94 -
On Sale
EBC Clutch Kit CK7009
EBC
MSRP: $177.39Now: $168.52Was: $177.39Cork-based clutch material impregnated with aluminum particles to increase wear life and heat resistance, Cork-based material impregnated with aluminum particles to increase wear life and heat resistance, Highly compressed construction avoids swell and...11313300- SKU:
- 11313300
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- STREET
- TYPE:
- FRICTION PLATE SET
MSRP: $177.39Now: $168.52Was: $177.39 -
On Sale
EBC Clutch Kit CK7010
EBC
MSRP: $101.73Now: $96.64Was: $101.73Cork-based clutch material impregnated with aluminum particles to increase wear life and heat resistance, Cork-based material impregnated with aluminum particles to increase wear life and heat resistance, Highly compressed construction avoids swell and...11313301- SKU:
- 11313301
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- TYPE:
- FRICTION PLATE SET
- PRODUCT NAME:
- CLUTCH KIT
MSRP: $101.73Now: $96.64Was: $101.73 -
On Sale
EBC Clutch Kit CK7014
EBC
MSRP: $107.17Now: $101.81Was: $107.17Cork-based clutch material impregnated with aluminum particles to increase wear life and heat resistance, Cork-based material impregnated with aluminum particles to increase wear life and heat resistance, Highly compressed construction avoids swell and...11313305- SKU:
- 11313305
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- TYPE:
- FRICTION PLATE SET
MSRP: $107.17Now: $101.81Was: $107.17 -
On Sale
EBC Clutch Kit CK7015
EBC
MSRP: $162.11Now: $154.00Was: $162.11Cork-based clutch material impregnated with aluminum particles to increase wear life and heat resistance, Cork-based material impregnated with aluminum particles to increase wear life and heat resistance, Highly compressed construction avoids swell and...11313306- SKU:
- 11313306
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- TYPE:
- FRICTION PLATE SET
- RIDING STYLE:
- STREET
MSRP: $162.11Now: $154.00Was: $162.11 -
On Sale
EBC Clutch Kit SRC7003
EBC
MSRP: $261.73Now: $248.64Was: $261.73Aramid 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 kits11313308- SKU:
- 11313308
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- RIDING STYLE:
- STREET
- TYPE:
- FRICTION PLATE SET
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
MSRP: $261.73Now: $248.64Was: $261.73 -
On Sale
EBC Clutch Kit SRC7006
EBC
MSRP: $238.32Now: $226.40Was: $238.32Aramid 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 kits11313309- SKU:
- 11313309
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- TYPE:
- FRICTION PLATE SET
MSRP: $238.32Now: $226.40Was: $238.32 -
On Sale
EBC Clutch Kit SRC7009
EBC
MSRP: $284.18Now: $269.97Was: $284.18Aramid 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 kits11313312- SKU:
- 11313312
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- TYPE:
- FRICTION PLATE SET
MSRP: $284.18Now: $269.97Was: $284.18 -
On Sale
EBC Clutch Springs CSK236
EBC
MSRP: $32.59Now: $30.96Was: $32.59Clutch spring sets made from tempered steel, Clutch spring sets made from tempered steel, Deliver 10-15% more clamp pressure than stock, Deliver 10-15% more clamp pressure than stock11313294- SKU:
- 11313294
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MODEL:
- CSK SERIES
- RIDING STYLE:
- STREET
- UNITS:
- SET
- PRODUCT NAME:
- SPRING SET
- TYPE:
- CLUTCH
MSRP: $32.59Now: $30.96Was: $32.59 -
EASTERN MOTORCYCLE PARTS Push Rod Kit A-37280-80
EASTERN MOTORCYCLE PARTS
$41.95Kits include all four pushrods, Made in the U.S.A.DS192526- SKU:
- DS192526
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PUSHROD KIT
- TYPE:
- CLUTCH
$41.95Qty in Cart: 0Quantity:Price:$41.95Subtotal: -
EASTERN MOTORCYCLE PARTS Mainshaft Bearing Nut A-35046-36
EASTERN MOTORCYCLE PARTS
$32.30Sold as pack of 5DS199419- SKU:
- DS199419
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- TYPE:
- BEARING
- PRODUCT NAME:
- NUT
$32.30 -
EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacers - 0.060" - 0.210" A-24032-SET
EASTERN MOTORCYCLE PARTS
$37.95The only way to properly space/align the front motor sprocket or belt drive pulley, Made in the U.S.A.DS196135- SKU:
- DS196135
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- SET
- PRODUCT NAME:
- SPACER
- TYPE:
- SPROCKET
- RIDING STYLE:
- STREET
$37.95 -
EASTERN MOTORCYCLE PARTS Mainshaft Bearing Race A-35125-78
EASTERN MOTORCYCLE PARTS
$87.95Made in the U.S.A.DS196139- SKU:
- DS196139
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- STYLE:
- OVERSIZE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- MAINSHAFT
- PRODUCT NAME:
- BEARING RACE
$87.95Qty in Cart: 0Quantity:Price:$87.95Subtotal: -
EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacers - 0.210" A-24037-70
EASTERN MOTORCYCLE PARTS
$17.50The only way to properly space/align the front motor sprocket or belt drive pulley, Made in the U.S.A.DS196143- SKU:
- DS196143
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- TYPE:
- SPROCKET
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
$17.50 -
EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacers - 0.010" A-35850-84
EASTERN MOTORCYCLE PARTS
$6.70The only way to properly space/align the front motor sprocket or belt drive pulley, Made in the U.S.A.DS196151- SKU:
- DS196151
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- TYPE:
- SPROCKET
- UNITS:
- 5 PACK
$6.70 -
EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacers - 0.020" A-35851-84
EASTERN MOTORCYCLE PARTS
$6.70The only way to properly space/align the front motor sprocket or belt drive pulley, Made in the U.S.A.DS196152- SKU:
- DS196152
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- TYPE:
- SPROCKET
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
$6.70 -
EASTERN MOTORCYCLE PARTS Clutch Hub Key A-37523-85
EASTERN MOTORCYCLE PARTS
$22.90Made in the U.S.A.DS194361- SKU:
- DS194361
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- RIDING STYLE:
- STREET
- TYPE:
- MAINSHAFT
- TYPE:
- CLUTCH HUB
- PRODUCT NAME:
- KEY
- UNITS:
- 10 PACK
$22.90
