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 Rear Drive Belt - 135-Tooth - 20mm BDL SPC-135-20
DRAG SPECIALTIES
$207.95Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040057- SKU:
- 12040057
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- TYPE:
- REAR DRIVE
- UNITS:
- EACH
- PRODUCT NAME:
- BELT
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 135
$207.95 -
DRAG SPECIALTIES Transmission Bearing 40-3007-W
DRAG SPECIALTIES
$12.31Single bearing11060009- SKU:
- 11060009
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- RIDING STYLE:
- STREET
- STYLE:
- FIFTH GEAR
- TYPE:
- MAINSHAFT
- PRODUCT NAME:
- NEEDLE BEARING
- UNITS:
- EACH
$12.31 -
DRAG SPECIALTIES Needle Roller Bearing 40-3084-W
DRAG SPECIALTIES
$33.94Single bearing11060039- SKU:
- 11060039
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- RIDING STYLE:
- STREET
- STYLE:
- FIFTH GEAR
- TYPE:
- MAINSHAFT
- UNITS:
- EACH
- PRODUCT NAME:
- NEEDLE BEARING
$33.94 -
DRAG SPECIALTIES Mainshaft Bearing Kit 25-3102
DRAG SPECIALTIES
$26.73Kit includes sealed ball bearing, seal and snap ring, Designed for use on straight splined shafts only, Designed for stock style clutches only11200217- SKU:
- 11200217
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- TYPE:
- INNER PRIMARY MAINSHAFT
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- KIT
$26.73 -
DRAG SPECIALTIES Inner Primary Bearing R16-2RS-W
DRAG SPECIALTIES
$12.31Sealed ball bearing fits into aluminum inner primary covers to support transmission mainshaft11200177- SKU:
- 11200177
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- TYPE:
- INNER PRIMARY MAINSHAFT
- UNITS:
- EACH
$12.31 -
DRAG SPECIALTIES Clutch Bearing 6206-2RS
DRAG SPECIALTIES
$17.46High-quality replacement component11320197- SKU:
- 11320197
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- BEARING
- UNITS:
- EACH
- TYPE:
- CLUTCH HUB
- RIDING STYLE:
- STREET
$17.46 -
DRAG SPECIALTIES Clutch Bearing R12-2RS
DRAG SPECIALTIES
$10.25High quality replacement component11320198- SKU:
- 11320198
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH RELEASE
- UNITS:
- EACH
$10.25 -
DRAG SPECIALTIES Clutch Adjuster Plate 1132-0590
DRAG SPECIALTIES
$54.58CNC-machined from billet aluminum, Made in the U.S.A.11320590- SKU:
- 11320590
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- ADJUSTER PLATE
$54.58Qty in Cart: 0Quantity:Price:$54.58Subtotal: -
DRAG SPECIALTIES Shorty Upper Belt Guard - Stainless Steel 1202-0018
DRAG SPECIALTIES
$60.31Final belt drive guard, Made in the U.S.A.12020018- SKU:
- 12020018
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- MATERIAL:
- STAINLESS STEEL
- MOUNTING POSITION:
- UPPER
- PRODUCT NAME:
- GUARD
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- BELT
$60.31 -
DRAG SPECIALTIES Shorty Upper Belt Guard - Chrome 1202-0019
DRAG SPECIALTIES
$77.99Final belt drive guard, Made in the U.S.A.12020019- SKU:
- 12020019
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MATERIAL:
- CHROME
- MOUNTING POSITION:
- UPPER
- TYPE:
- REAR BELT
- PRODUCT NAME:
- GUARD
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$77.99 -
DRAG SPECIALTIES Steel Plates 1131-0445
DRAG SPECIALTIES
$43.21Designed to perform under extreme heat conditions, Allow smooth, precise shifting, Steel plates are manufactured under strict quality-control standards, Can be run wet or dry, Made in the U.S.A.11310445- SKU:
- 11310445
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- DRIVE PLATE
- TYPE:
- CLUTCH
- UNITS:
- SET OF 8
- RIDING STYLE:
- STREET
$43.21 -
DRAG SPECIALTIES Starter Gear 73022
DRAG SPECIALTIES
$52.48DRAG SPECIALTIES Starter GearDS196007- SKU:
- DS196007
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- PRODUCT NAME:
- GEAR
- TOOTH COUNT:
- 20
- UNITS:
- EACH
- SIZE:
- OVERSIZE (+0,020')
- TYPE:
- STARTER
- RIDING STYLE:
- STREET
$52.48 -
DRAG SPECIALTIES Clutch Shell 71443
DRAG SPECIALTIES
$369.72Replacement clutch shell with starter ring gearDS196181- SKU:
- DS196181
- Availability:
- Ships Same Business Day
- Weight:
- 8.00 LBS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CLUTCH SHELL
- TYPE:
- CLUTCH
$369.72Qty in Cart: 0Quantity:Price:$369.72Subtotal: -
DRAG SPECIALTIES Shifter Cam Follower 75206
DRAG SPECIALTIES
$20.55Quality steel, stronger than the aluminum OEM followerDS194225- SKU:
- DS194225
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- PRODUCT NAME:
- SHIFTER CAM FOLLOWER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- STEEL
$20.55 -
DRAG SPECIALTIES Offset Sprocket Kit - 24-Tooth 74243
DRAG SPECIALTIES
$57.15Allows installation of extra-wide tires, Kit include offset sprocket and machined spacerDS199496- 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
$57.15 -
DRAG SPECIALTIES Offset Sprocket Kit - 23-Tooth 74243C
DRAG SPECIALTIES
$55.07Allows installation of extra-wide tires, Kit include offset sprocket and machined spacerDS199497- 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
$55.07 -
DRAG SPECIALTIES Long Clutch Lever Rod 13614
DRAG SPECIALTIES
$18.49For use with "mousetrap" clutch releasesDS240213- 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
$18.49 -
DRAG SPECIALTIES Long Clutch Lever Rod End 19149
DRAG SPECIALTIES
$15.40Rod end for long "mousetrap" clutch lever rodDS240215- 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
$15.40 -
DRAG SPECIALTIES Rear Wheel Sprocket - 48-Tooth - Chrome 70176-BX20
DRAG SPECIALTIES
$93.55High-grade carbon steel replacement rear wheel sprocket, 1.9" center holeDS325348- 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
$93.55 -
DRAG SPECIALTIES Rear Wheel Sprocket - 48-Tooth - Chrome 19366-BX20
DRAG SPECIALTIES
$93.55High-grade carbon steel replacement rear wheel sprocket, 1.9" center holeDS325354- 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
$93.55
