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 Pulley Insert - FXD '07-'17 D26-0151
DRAG SPECIALTIES
$133.95Precision-formed, chrome-plated rear pulley inserts, Designed to match OEM pulley, Fit the outer portions of the belt drive sprocket12010444- SKU:
- 12010444
- Availability:
- Ships Same Business Day
- Weight:
- 2.47 LBS
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- TYPE:
- PULLEY
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- MODEL:
- PRECISION-FORMED
$133.95 -
DRAG SPECIALTIES Rear Pulley Bolt Cover - Black D26-0152B
DRAG SPECIALTIES
$81.95Die-cast aluminum construction, Attach with included spring clips, Designed for use with the OEM 7/16" hex bolts12010598- SKU:
- 12010598
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- TYPE:
- PULLEY BOLT
- PRODUCT NAME:
- COVER
- MATERIAL:
- DIE-CAST ALUMINUM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- UNITS:
- 5 PACK
$81.95 -
DRAG SPECIALTIES Lower Belt Guard - 09-17 FLHT/FLHX/FLHR/FLTR - Chrome G32-0326
DRAG SPECIALTIES
$85.95Simple bolt-on installation12020088- SKU:
- 12020088
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PRODUCT NAME:
- GUARD
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- LOWER
- TYPE:
- REAR BELT
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
$85.95 -
DRAG SPECIALTIES Lower Belt Guard - 07-17 FXD/FXDWG/FLD - Chrome G32-0328 7/75-R
DRAG SPECIALTIES
$92.95Simple bolt-on installation12020107- SKU:
- 12020107
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MOUNTING POSITION:
- LOWER
- MATERIAL:
- STEEL
- TYPE:
- REAR BELT
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- GUARD
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$92.95 -
DRAG SPECIALTIES Upper Belt Guard - 07-17 FXD/FXDWG/FLD - Chrome G32-0314NU
DRAG SPECIALTIES
$133.95Simple bolt-on installation12020108- SKU:
- 12020108
- Availability:
- Ships Same Business Day
- Weight:
- 1.86 LBS
- MOUNTING POSITION:
- UPPER
- UNITS:
- EACH
- MATERIAL:
- STEEL
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- GUARD
- RIDING STYLE:
- STREET
- TYPE:
- REAR BELT
$133.95Qty in Cart: 0Quantity:Price:$133.95Subtotal: -
DRAG SPECIALTIES Upper Belt Guard - 07-17 FXST/FLST - Chrome G32-0313
DRAG SPECIALTIES
$143.95Simple bolt-on installation12020063- SKU:
- 12020063
- Availability:
- Ships Same Business Day
- Weight:
- 1.79 LBS
- COLOR/FINISH:
- CHROME
- MOUNTING POSITION:
- UPPER
- PRODUCT NAME:
- GUARD
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- REAR BELT
- MATERIAL:
- STEEL
$143.95 -
DRAG SPECIALTIES Lower Belt Guard - 04-13 XL - Chrome G32-0320
DRAG SPECIALTIES
$109.95Simple bolt-on installation12020066- SKU:
- 12020066
- Availability:
- Ships Same Business Day
- Weight:
- 1.73 LBS
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- GUARD
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- LOWER
- TYPE:
- REAR BELT
- RIDING STYLE:
- STREET
$109.95 -
DRAG SPECIALTIES Lower Belt Guard - 00-05 FXST 00-06 FLST - Chrome G32-0316
DRAG SPECIALTIES
$133.95Simple bolt-on installation12020070- SKU:
- 12020070
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- LOWER
- RIDING STYLE:
- STREET
- TYPE:
- REAR BELT
- PRODUCT NAME:
- GUARD
- UNITS:
- EACH
$133.95 -
DRAG SPECIALTIES Skull Derby Cover - Chrome - 5 Hole 33-0062-PC
DRAG SPECIALTIES
$78.23Die-cast construction, Skull protrudes outward about .750"19020061- SKU:
- 19020061
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- COLOR/FINISH:
- CHROME
- COLOR/FINISH:
- BLACK
- MOUNTING STYLE:
- 5 HOLE
- STYLE:
- 3-D SKULL
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- DERBY COVER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$78.23 -
DRAG SPECIALTIES Upper Belt Guard - 99 FXD/FXDWG - Chrome 32-0174PC
DRAG SPECIALTIES
$187.15Simple bolt-on installation19020174- SKU:
- 19020174
- Availability:
- Ships Same Business Day
- Weight:
- 2.68 LBS
- RIDING STYLE:
- STREET
- TYPE:
- REAR BELT
- COLOR/FINISH:
- CHROME
- MOUNTING POSITION:
- UPPER
- UNITS:
- EACH
- MATERIAL:
- STEEL
- PRODUCT NAME:
- GUARD
$187.15 -
DRAG SPECIALTIES Upper Belt Guard - 87-94 FXR/FXRS/FXRS-SP - Chrome 32-0191A-BX-LB2
DRAG SPECIALTIES
$124.75Simple bolt-on installationDS325201- SKU:
- DS325201
- Availability:
- Ships Same Business Day
- Weight:
- 1.63 LBS
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- UPPER
- PRODUCT NAME:
- GUARD
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- REAR BELT
$124.75 -
DRAG SPECIALTIES Chain Guard - Rigid Big Twin 32-0150-BX-LB2
DRAG SPECIALTIES
$85.23Precision-engineered custom chain guards bolt on in minutesDS325150- SKU:
- DS325150
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- GUARD
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- CHAIN
$85.23 -
DRAG SPECIALTIES Chain Guard - 67-78 XLH/70-78 XLCH 32-0171-BX-LB2
DRAG SPECIALTIES
$85.23Precision-engineered custom chain guards bolt on in minutesDS325171- SKU:
- DS325171
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- GUARD
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- CHAIN
$85.23 -
DRAG SPECIALTIES Upper Belt Guard - 80-85 FXB/FXSB 80-86 FXWG 82-84 FLHS Shovelhead - Chrome 32-0184C-BX-LB2
DRAG SPECIALTIES
$137.23Simple bolt-on installationDS325176- SKU:
- DS325176
- Availability:
- Ships Same Business Day
- Weight:
- 1.56 LBS
- MOUNTING POSITION:
- UPPER
- UNITS:
- EACH
- MATERIAL:
- STEEL
- TYPE:
- REAR BELT
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- GUARD
- RIDING STYLE:
- STREET
$137.23 -
DRAG SPECIALTIES Chain Guard - 63-82 FL 32-0183-BX-LB2
DRAG SPECIALTIES
$151.79Precision-engineered custom chain guards bolt on in minutesDS325179- SKU:
- DS325179
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- GUARD
- UNITS:
- EACH
- TYPE:
- CHAIN
$151.79 -
DRAG SPECIALTIES Chain Guard - 73-84 FX 32-0181-BX-LB2
DRAG SPECIALTIES
$99.79Precision-engineered custom chain guards bolt on in minutesDS325181- SKU:
- DS325181
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- PRODUCT NAME:
- GUARD
- TYPE:
- CHAIN
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
$99.79 -
DRAG SPECIALTIES Clutch Plate Kit 17-0010A-BOX
DRAG SPECIALTIES
$105.01Runs wet or dry; meets or exceeds all OEM specs, Contains (5) friction plates and (1) hub liner with rivetsDS223735- SKU:
- DS223735
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FRICTION PLATE
- TYPE:
- CLUTCH
- UNITS:
- KIT
$105.01 -
DRAG SPECIALTIES Clutch Liner Rivets 17-0002R-HC3
DRAG SPECIALTIES
$5.10Replacement rivets for clutch hub linerDS223736- SKU:
- DS223736
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- LINING RIVETS
- RIDING STYLE:
- STREET
- UNITS:
- 8 PACK
- TYPE:
- CLUTCH HUB
$5.10 -
DRAG SPECIALTIES Friction Plates 04-0001-BX-LB2
DRAG SPECIALTIES
$62.78An economical wet friction plate set, Meets or exceeds OEM specsDS223733- SKU:
- DS223733
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- STREET
- UNITS:
- SET OF 8
- PRODUCT NAME:
- FRICTION PLATE
- STYLE:
- WET
- TYPE:
- CLUTCH
$62.78 -
DRAG SPECIALTIES Kicker Spring 11-0111-BC206
DRAG SPECIALTIES
$21.58Exact replacement, High-quality construction, Chrome finishDS241005- SKU:
- DS241005
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- UNITS:
- EACH
- TYPE:
- KICK RETURN
- PRODUCT NAME:
- SPRING
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
$21.58
