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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ALTO PRODUCTS M8 PowerPack‚® kit 095754B
ALTO PRODUCTS
$332.95G3 material provides higher torque capacity, improved shift and reduced clutch burnout, Available in extra-capacity PowerPack® or Screaming Eagle®, PowerPack contains: eight frictions, three Jutter frictions, nine steels and one Jutter steel, Screaming...11313559- SKU:
- 11313559
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE PLATE (STEEL PLATE)
- TYPE:
- FRICTION PLATE SET
- DRIVE PLATE MATERIAL:
- STEEL
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
$332.95 -
ALTO PRODUCTS M8 Screaming Eagle‚® kit 095754C
ALTO PRODUCTS
$305.95G3 material provides higher torque capacity, improved shift and reduced clutch burnout, Available in extra-capacity PowerPack® or Screaming Eagle®, PowerPack contains: eight frictions, three Jutter frictions, nine steels and one Jutter steel, Screaming...11313560- SKU:
- 11313560
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- TYPE:
- FRICTION PLATE SET
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE PLATE (STEEL PLATE)
- DRIVE PLATE MATERIAL:
- STEEL
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
$305.95 -
ALLOY ART Inner Primary Plug - FXD/FXR MPP-1
ALLOY ART
$35.95Used when adding forward controls to FXD(92-05) & FXR(82-00) models and eliminating the mid shifter shaft, Plugs holes in inner primary cover for a finished look, Anodized billet aluminum, complete with O-rings, bolt and locking tab, Made in the U.S.A.11070073- SKU:
- 11070073
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- STREET
- TYPE:
- INNER PRIMARY
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- PLUG
- UNITS:
- EACH
- COLOR/FINISH:
- ANODIZED
$35.95 -
GARDNER-WESTCOTT Transmission Oil Fill Plug C-80-14
GARDNER-WESTCOTT
$21.95Show-chromed Allen-head plug includes oil level dipstick and O-ring, Made in the U.S.A.DS193860- SKU:
- DS193860
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- FILL PLUG
- TRANSMISSION TYPE:
- 5-SPEED
- TYPE:
- TRANSMISSION
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$21.95 -
COVINGTONS Derby Cover - Black - 5 Hole C1875-B
COVINGTONS
$241.95Made of CNC-machined billet aluminum, Includes mounting hardware, Ripper style with black finish, Made in the U.S.A., '07-'18 applications (except '18 FLSB, '16-'18 Dressers, '15 FLHTCUL/FLHTKL) will require the use of gasket PART #s 0934-0289 or...11070683- SKU:
- 11070683
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- BILLET ALUMINUM
- MOUNTING STYLE:
- 5 HOLE
- STYLE:
- RIPPER
- PRODUCT NAME:
- DERBY COVER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$241.95 -
COVINGTONS Derby Cover - Black - Dimpled C1075-B
COVINGTONS
$241.95CNC-machined from billet aluminum, Includes mounting hardware, Made in the U.S.A.11070490- SKU:
- 11070490
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- POWDER-COATED
- PRODUCT NAME:
- COVER
- TYPE:
- DERBY
- UNITS:
- EACH
- MATERIAL:
- BILLET ALUMINUM
- MOUNTING STYLE:
- 5 HOLE
- COLOR/FINISH:
- GLOSS
- STYLE:
- DIMPLED
$241.95 -
On Sale
COVINGTONS Derby Cover - Diamond Edge - Machine Head C1076-D
COVINGTONS
MSRP: $406.95Now: $260.00Was: $406.95CNC-machined from billet aluminum, Includes mounting hardware, Made in the U.S.A.11070494- SKU:
- 11070494
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- MATERIAL:
- BILLET ALUMINUM
- MOUNTING STYLE:
- 5 HOLE
- STYLE:
- MACHINE HEAD
- TYPE:
- DERBY
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $406.95Now: $260.00Was: $406.95Qty in Cart: 0Quantity:Price:MSRP: $406.95Now: $260.00Was: $406.95Subtotal: -
On Sale
COVINGTONS Transmission Cover C1365-B
COVINGTONS
MSRP: $381.95Now: $244.00Was: $381.95CNC-machined from billet aluminum, Direct bolt-on replacement for the stock cover, Made in the U.S.A.11050255- SKU:
- 11050255
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- STREET
- STYLE:
- DIMPLED
- UNITS:
- EACH
- TYPE:
- TRANSMISSION
- COLOR/FINISH:
- BLACK
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- COVER
- TRANSMISSION TYPE:
- HYDRAULIC
MSRP: $381.95Now: $244.00Was: $381.95 -
COVINGTONS Transmission Cover C1372-C
COVINGTONS
$317.95CNC machined from billet aluminum, Direct bolt-on replacement for the stock cover, Made in the U.S.A.11050206- SKU:
- 11050206
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- COVER
- TRANSMISSION TYPE:
- MECHANICAL
- UNITS:
- EACH
- MATERIAL:
- BILLET ALUMINUM
- STYLE:
- SMOOTH
- COLOR/FINISH:
- CHROME
- MOUNTING STYLE:
- 6 HOLE
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION TOP
$317.95 -
COVINGTONS Transmission Cover C1371-C
COVINGTONS
$317.95CNC machined from billet aluminum, Direct bolt-on replacement for the stock cover, Made in the U.S.A.11050145- SKU:
- 11050145
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- MOUNTING STYLE:
- 6 HOLE
- STYLE:
- DIMPLED
- TYPE:
- TRANSMISSION TOP
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- MATERIAL:
- BILLET ALUMINUM
- TRANSMISSION TYPE:
- 6-SPEED
$317.95 -
COVINGTONS Derby Cover - Black - Machine Head C1074-B
COVINGTONS
$216.95CNC-machined from billet aluminum, Includes mounting hardware, Made in the U.S.A.11070243- SKU:
- 11070243
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- BILLET ALUMINUM
- MOUNTING STYLE:
- 5 HOLE
- COLOR/FINISH:
- POWDER-COATED
- PRODUCT NAME:
- COVER
- TYPE:
- DERBY
- UNITS:
- EACH
- STYLE:
- MACHINE HEAD
- COLOR/FINISH:
- GLOSS
- RIDING STYLE:
- STREET
$216.95 -
COVINGTONS Derby Cover - Chrome - Machine Head C1074-C
COVINGTONS
$216.95CNC-machined from billet aluminum, Includes mounting hardware, Made in the U.S.A.11070244- SKU:
- 11070244
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- MATERIAL:
- BILLET ALUMINUM
- MOUNTING STYLE:
- 5 HOLE
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- TYPE:
- DERBY
- UNITS:
- EACH
- STYLE:
- MACHINE HEAD
$216.95 -
COVINGTONS Derby Cover - Diamond Edge - Machine Head C1074-D
COVINGTONS
$355.95CNC-machined from billet aluminum, Includes mounting hardware, Made in the U.S.A.11070245- SKU:
- 11070245
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- COLOR/FINISH:
- BLACK
- STYLE:
- MACHINE HEAD
- PRODUCT NAME:
- COVER
- TYPE:
- DERBY
- UNITS:
- EACH
- MATERIAL:
- BILLET ALUMINUM
- MOUNTING STYLE:
- 5 HOLE
- RIDING STYLE:
- STREET
$355.95 -
COVINGTONS Inspection Cover - Black - Finned C1195-B
COVINGTONS
$90.95CNC-machined from billet aluminum, Made in the U.S.A.11070249- SKU:
- 11070249
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- BILLET ALUMINUM
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GLOSS
- COLOR/FINISH:
- POWDER-COATED
- MOUNTING STYLE:
- 4 HOLE
- PRODUCT NAME:
- COVER
- STYLE:
- FINNED
- UNITS:
- EACH
- TYPE:
- INSPECTION
$90.95Qty in Cart: 0Quantity:Price:$90.95Subtotal: -
COVINGTONS Inspection Cover - Chrome - Finned C1195-C
COVINGTONS
$90.95CNC-machined from billet aluminum, Made in the U.S.A.11070250- SKU:
- 11070250
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- STREET
- TYPE:
- INSPECTION
- COLOR/FINISH:
- CHROME
- MOUNTING STYLE:
- 4 HOLE
- PRODUCT NAME:
- COVER
- STYLE:
- FINNED
- UNITS:
- EACH
$90.95Qty in Cart: 0Quantity:Price:$90.95Subtotal: -
COVINGTONS Derby Cover - Black - Dimpled C1073-B
COVINGTONS
$216.95CNC-machined from billet aluminum, Includes mounting hardware, Made in the U.S.A.11070311- SKU:
- 11070311
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GLOSS
- COLOR/FINISH:
- POWDER-COATED
- PRODUCT NAME:
- COVER
- TYPE:
- DERBY
- UNITS:
- EACH
- MATERIAL:
- BILLET ALUMINUM
- MOUNTING STYLE:
- 5 HOLE
- RIDING STYLE:
- STREET
- STYLE:
- DIMPLED
$216.95 -
COVINGTONS Derby Cover - Black - Finned C1072-B
COVINGTONS
$216.95CNC-machined from billet aluminum, Includes mounting hardware, Made in the U.S.A.11070122- SKU:
- 11070122
- Availability:
- Ships Same Business Day
- Weight:
- 1.98 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GLOSS
- RIDING STYLE:
- STREET
- STYLE:
- FINNED
- MATERIAL:
- BILLET ALUMINUM
- MOUNTING STYLE:
- 5 HOLE
- COLOR/FINISH:
- POWDER-COATED
- PRODUCT NAME:
- COVER
- TYPE:
- DERBY
- UNITS:
- EACH
$216.95Qty in Cart: 0Quantity:Price:$216.95Subtotal: -
On Sale
Belt Drives Ltd Mini-Dome Pulley Cover Kit for Harley-Davidson FLST Heritage Softail 1986-1989 MD-200
BELT DRIVES LTD.
MSRP: $88.95Now: $80.06Was: $88.95Enhance the performance and appearance of your pulley system with the Mini-Dome Pulley Covers MD-200. This comprehensive kit includes everything you need for a seamless installation, ensuring your motor operates efficiently and looks great. Proudly made...DS360420- SKU:
- DS360420
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- UNITS:
- KIT
- TOOTH COUNT:
- 47
- TOOTH COUNT:
- 76
- TYPE:
- PULLEY
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
MSRP: $88.95Now: $80.06Was: $88.95Qty in Cart: 0Quantity:Price:MSRP: $88.95Now: $80.06Was: $88.95Subtotal: -
On Sale
Belt Drives Ltd 3" Offset Pulley 48 Tooth for 1982-1994 Harley FXR 48-OFP
BELT DRIVES LTD.
MSRP: $197.95Now: $178.16Was: $197.95This high-quality 48-tooth offset pulley is designed specifically for 3" systems, ensuring optimal belt alignment for your motor setup. Crafted in the U.S.A., this pulley offers durability and precision, making it an essential component for efficient...DS360422- SKU:
- DS360422
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- TOOTH COUNT:
- 48
- UNITS:
- EACH
- PRODUCT NAME:
- PULLEY
- RIDING STYLE:
- STREET
- TYPE:
- MOTOR SHAFT
MSRP: $197.95Now: $178.16Was: $197.95 -
On Sale
Belt Drives Ltd Offset Spacer 1/2" for Harley-Davidson 1985-2006 IN-500
BELT DRIVES LTD.
MSRP: $103.95Now: $93.56Was: $103.95This high-quality offset spacer is designed to ensure precise alignment of your motor pulley, enhancing the efficiency of your belt drive system. Manufactured in the U.S.A., it comes complete with a motor sprocket nut and mounting screws for...DS360425- SKU:
- DS360425
- Availability:
- Ships Same Business Day
- Weight:
- 1.14 LBS
- PRODUCT NAME:
- SPACER INSERT
- RIDING STYLE:
- STREET
- TYPE:
- PULLEY
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
MSRP: $103.95Now: $93.56Was: $103.95
