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
-
DRAG SPECIALTIES Rear Wheel Sprocket - 49-Tooth - Chrome 71891BP
DRAG SPECIALTIES
$84.19High-grade carbon steel replacement rear wheel sprocket, 1.9" center hole12100605- SKU:
- 12100605
- Availability:
- Ships Same Business Day
- Weight:
- 5.10 LBS
$84.19Qty in Cart: 0Quantity:Price:$84.19Subtotal: -
DRAG SPECIALTIES Rear Wheel Sprocket - 49-Tooth - Chrome 19432P
DRAG SPECIALTIES
$86.27High-grade carbon steel replacement rear wheel sprocket, 1.9" center hole12100607- SKU:
- 12100607
- Availability:
- Ships Same Business Day
- Weight:
- 5.08 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- OFFSET IMPERIAL:
- 0.46'
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- CHAIN SIZE:
- 530
- MATERIAL:
- CARBON STEEL
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
$86.27Qty in Cart: 0Quantity:Price:$86.27Subtotal: -
DRAG SPECIALTIES Rear Sprocket - Chrome - Dished - 48-Tooth 16424P
DRAG SPECIALTIES
$87.31Convert rear drive belt to 530 chain, 2.22" Center diameter12100367- SKU:
- 12100367
- Availability:
- Ships Same Business Day
- Weight:
- 4.79 LBS
- COLOR/FINISH:
- CHROME
- OFFSET IMPERIAL:
- 0.230'
- PRODUCT NAME:
- SPROCKET
- TYPE:
- CONVERSION
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- CHAIN SIZE:
- 530
- MOUNTING POSITION:
- REAR
- BORE SIZE IMPERIAL:
- 2.220'
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 48
- TYPE:
- DRIVE
$87.31Qty in Cart: 0Quantity:Price:$87.31Subtotal: -
DRAG SPECIALTIES Rear Sprocket - Chrome - Flat - 46-Tooth 16429P
DRAG SPECIALTIES
$100.83Convert rear drive belt to 530 chain, 2.22" Center diameter12100375- SKU:
- 12100375
- Availability:
- Ships Same Business Day
- Weight:
- 4.24 LBS
$100.83Qty in Cart: 0Quantity:Price:$100.83Subtotal: -
DRAG SPECIALTIES Clutch Basket 64006
DRAG SPECIALTIES
$404.74Replacement clutch shell with starter gear11321121- SKU:
- 11321121
- Availability:
- Ships Same Business Day
- Weight:
- 6.55 LBS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CLUTCH SHELL
- TYPE:
- CLUTCH
$404.74Qty in Cart: 0Quantity:Price:$404.74Subtotal: -
DRAG SPECIALTIES Transmission Dipstick 77557
DRAG SPECIALTIES
$26.73One-piece construction with a chrome finish, Indicates the fill level of the transmission fluid11050139- SKU:
- 11050139
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- DIPSTICK
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
$26.73 -
DRAG SPECIALTIES Transmission Dipstick 77742
DRAG SPECIALTIES
$26.73One-piece construction with a chrome finish, Indicates the fill level of the transmission fluid11050146- SKU:
- 11050146
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- TYPE:
- TRANSMISSION
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- DIPSTICK
- RIDING STYLE:
- STREET
$26.73 -
DRAG SPECIALTIES Rear Wheel Sprocket - 51-Tooth - Black 19387EB
DRAG SPECIALTIES
$86.27High-grade carbon steel replacement rear wheel sprocket, 1.9" center hole12101839- SKU:
- 12101839
- Availability:
- Ships Same Business Day
- Weight:
- 5.51 LBS
- TOOTH COUNT:
- 51
- MATERIAL:
- CARBON STEEL
- PRODUCT NAME:
- SPROCKET
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- TYPE:
- DRIVE
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GLOSS
- OFFSET IMPERIAL:
- 0.46'
- UNITS:
- EACH
$86.27Qty in Cart: 0Quantity:Price:$86.27Subtotal: -
DRAG SPECIALTIES Rear Wheel Sprocket - 46-Tooth - Black 16428EB
DRAG SPECIALTIES
$77.95High-grade carbon steel replacement rear wheel sprocket, 1.9" center hole12101840- SKU:
- 12101840
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
- OFFSET IMPERIAL:
- 0.23'
- TOOTH COUNT:
- 46
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- TYPE:
- DRIVE
- MATERIAL:
- CARBON STEEL
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GLOSS
- UNITS:
- EACH
$77.95Qty in Cart: 0Quantity:Price:$77.95Subtotal: -
DRAG SPECIALTIES Rear Wheel Sprocket - 48-Tooth - Black 19093EB
DRAG SPECIALTIES
$73.79High-grade carbon steel replacement rear wheel sprocket, 1.9" center hole12101841- SKU:
- 12101841
- Availability:
- Ships Same Business Day
- Weight:
- 4.95 LBS
- COLOR/FINISH:
- BLACK
- TYPE:
- DRIVE
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- GLOSS
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
- MATERIAL:
- CARBON STEEL
- MOUNTING POSITION:
- REAR
- OFFSET IMPERIAL:
- 0.23'
$73.79Qty in Cart: 0Quantity:Price:$73.79Subtotal: -
DRAG SPECIALTIES Rear Sprocket - Gloss Black - Dished - 46-Tooth 16431EB
DRAG SPECIALTIES
$89.39Convert rear drive belt to 530 chain, 2.22" Center diameter12101847- SKU:
- 12101847
- Availability:
- Ships Same Business Day
- Weight:
- 4.31 LBS
- BORE SIZE IMPERIAL:
- 2.220'
- OFFSET IMPERIAL:
- 0.230'
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- GLOSS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TYPE:
- CONVERSION
- TYPE:
- DRIVE
$89.39Qty in Cart: 0Quantity:Price:$89.39Subtotal: -
DRAG SPECIALTIES Rear Sprocket - Gloss Black - Dished - 51-Tooth 16426EB
DRAG SPECIALTIES
$93.55Convert rear drive belt to 530 chain, 2.22" Center diameter12101850- SKU:
- 12101850
- Availability:
- Ships Same Business Day
- Weight:
- 4.91 LBS
- MOUNTING POSITION:
- REAR
- TYPE:
- CONVERSION
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- GLOSS
- OFFSET IMPERIAL:
- 0.230'
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- BORE SIZE IMPERIAL:
- 2.220'
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
$93.55Qty in Cart: 0Quantity:Price:$93.55Subtotal: -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 21 Tooth 71563
DRAG SPECIALTIES
$31.15High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120738- SKU:
- 12120738
- Availability:
- Ships Same Business Day
- Weight:
- 1.33 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 21
- TYPE:
- MAINSHAFT
- CHAIN SIZE:
- 530
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
$31.15 -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 23 Tooth 17502
DRAG SPECIALTIES
$32.19High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120697- SKU:
- 12120697
- Availability:
- Ships Same Business Day
- Weight:
- 1.23 LBS
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 23
- MATERIAL:
- STEEL
- TYPE:
- MAINSHAFT
$32.19Qty in Cart: 0Quantity:Price:$32.19Subtotal: -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 24 Tooth 17503
DRAG SPECIALTIES
$31.15High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120698- SKU:
- 12120698
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
- CHAIN SIZE:
- 530
- TYPE:
- MAINSHAFT
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 24
- UNITS:
- EACH
$31.15Qty in Cart: 0Quantity:Price:$31.15Subtotal: -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 25 Tooth 17504
DRAG SPECIALTIES
$31.15High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120699- SKU:
- 12120699
- Availability:
- Ships Same Business Day
- Weight:
- 1.43 LBS
- CHAIN SIZE:
- 530
- TYPE:
- MAINSHAFT
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 25
- UNITS:
- EACH
$31.15Qty in Cart: 0Quantity:Price:$31.15Subtotal: -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 22-Tooth 70165
DRAG SPECIALTIES
$29.07High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120700- SKU:
- 12120700
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 22
- UNITS:
- EACH
- MATERIAL:
- STEEL
- TYPE:
- MAINSHAFT
- RIDING STYLE:
- STREET
- CHAIN SIZE:
- 530
$29.07 -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 24 Tooth 70167
DRAG SPECIALTIES
$31.15High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120702- SKU:
- 12120702
- Availability:
- Ships Same Business Day
- Weight:
- 1.53 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 24
- CHAIN SIZE:
- 530
- MATERIAL:
- STEEL
- TYPE:
- MAINSHAFT
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$31.15Qty in Cart: 0Quantity:Price:$31.15Subtotal: -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 24 Tooth 70171
DRAG SPECIALTIES
$30.11High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120706- SKU:
- 12120706
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- MATERIAL:
- STEEL
- TYPE:
- MAINSHAFT
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 24
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
$30.11Qty in Cart: 0Quantity:Price:$30.11Subtotal: -
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:
- 0.31 LBS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- ADJUSTER PLATE
$54.58Qty in Cart: 0Quantity:Price:$54.58Subtotal:
