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 Clutch Release Finger 17-0062
DRAG SPECIALTIES
$19.03A worn or damaged clutch release finger compromises your ability to cleanly engage and disengage power to the rear wheel—critical for consistency whether you're drag racing or street riding. This OEM-spec replacement from Drag Specialties restores proper...11320602- SKU:
- 11320602
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FINGER
- TYPE:
- CLUTCH RELEASE
$19.03 -
DRAG SPECIALTIES Rear Pulley Insert - FXD '07-'17 D26-0151
DRAG SPECIALTIES
$143.33Your FXD's belt drive system demands precision components that match OEM specifications for reliable power transfer and extended drivetrain life. These chrome-plated rear pulley inserts restore worn sprocket engagement surfaces without requiring full...12010444- 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
$143.33 -
DRAG SPECIALTIES Rear Pulley Bolt Cover - Black D26-0152B
DRAG SPECIALTIES
$87.69If you're running a performance drivetrain, exposed pulley bolts are a liability—they catch debris, corrode faster, and detract from a finished engine bay. The DRAG SPECIALTIES Rear Pulley Bolt Cover shields your fasteners from the elements while adding...12010598- 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
$87.69 -
DRAG SPECIALTIES Lower Belt Guard - 09-17 FLHT/FLHX/FLHR/FLTR - Chrome G32-0326
DRAG SPECIALTIES
$91.97Protect your lower drivetrain from road debris, moisture, and impact damage that can lead to costly repairs. This chrome belt guard maintains clean aesthetics while providing essential coverage for your primary belt and pulley system. A straightforward...12020088- 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
$91.97 -
DRAG SPECIALTIES Lower Belt Guard - 07-17 FXD/FXDWG/FLD - Chrome G32-0328 7/75-R
DRAG SPECIALTIES
$99.46The belt and primary drivetrain on your FXD are exposed to road debris, moisture, and heat—all threats to reliability and longevity. This Drag Specialties Lower Belt Guard shields your belt system with robust chrome-plated steel, reducing maintenance...12020107- 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
$99.46 -
DRAG SPECIALTIES Upper Belt Guard - 07-17 FXD/FXDWG/FLD - Chrome G32-0314NU
DRAG SPECIALTIES
$143.33The upper belt guard protects your primary drivetrain from road debris, moisture, and contamination while maintaining authentic Harley-Davidson styling. A bolt-on replacement, it restores OEM appearance and function without requiring fabrication or...12020108- 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
$143.33Qty in Cart: 0Quantity:Price:$143.33Subtotal: -
DRAG SPECIALTIES Upper Belt Guard - 07-17 FXST/FLST - Chrome G32-0313
DRAG SPECIALTIES
$154.03The upper belt guard protects your drivetrain from debris and road hazards while adding a polished chrome aesthetic to your softail. This bolt-on component is essential for long-term reliability, especially if you're logging serious miles on your FXST or...12020063- 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
$154.03 -
DRAG SPECIALTIES Lower Belt Guard - 04-13 XL - Chrome G32-0320
DRAG SPECIALTIES
$117.65Protect your primary drive system from road debris, dirt, and moisture with a purpose-built lower belt guard that keeps your engine running clean and efficient. This chrome-finished guard maintains optimal drivetrain health by preventing contamination...12020066- 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
$117.65 -
DRAG SPECIALTIES Lower Belt Guard - 00-05 FXST 00-06 FLST - Chrome G32-0316
DRAG SPECIALTIES
$143.33Protect your drivetrain from road debris and chain spray while maintaining the classic chrome aesthetic of your Harley-Davidson. This belt guard shields critical components from damage during aggressive riding and extended highway use. A straightforward...12020070- 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
$143.33 -
DRAG SPECIALTIES Skull Derby Cover - Chrome - 5 Hole 33-0062-PC
DRAG SPECIALTIES
$75.95A quality derby cover serves as both a protective barrier against road debris and weather exposure, and a visual statement on your motorcycle. The DRAG Specialties Skull Derby Cover combines functional protection with aggressive chrome styling,...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
$75.95 -
DRAG SPECIALTIES Upper Belt Guard - 99 FXD/FXDWG - Chrome 32-0174PC
DRAG SPECIALTIES
$192.55The upper belt guard on your Dyna is more than cosmetic—it's engineered to protect your primary belt drive from road debris, weather exposure, and premature wear that can compromise shifting performance and longevity. This Drag Specialties chrome guard...19020174- 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
$192.55 -
DRAG SPECIALTIES Upper Belt Guard - 87-94 FXR/FXRS/FXRS-SP - Chrome 32-0191A-BX-LB2
DRAG SPECIALTIES
$128.35The Drag Specialties Upper Belt Guard is a direct-fit protection component engineered for FXR-platform cruisers. This bolt-on guard shields your primary belt drive from road debris, moisture, and accidental contact—critical safeguards for maintaining...DS325201- 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
$128.35 -
DRAG SPECIALTIES Chain Guard - Rigid Big Twin 32-0150-BX-LB2
DRAG SPECIALTIES
$87.69A properly secured chain is non-negotiable on any Big Twin cruiser—uncontrolled chain movement risks sprocket damage, frame contact, and catastrophic drivetrain failure. The Drag Specialties Rigid Chain Guard delivers robust protection with a rigid...DS325150- SKU:
- DS325150
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- GUARD
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- CHAIN
$87.69 -
DRAG SPECIALTIES Chain Guard - 67-78 XLH/70-78 XLCH 32-0171-BX-LB2
DRAG SPECIALTIES
$87.69A quality chain guard protects your drivetrain from road debris, moisture, and accidental contact while maintaining the classic aesthetics of your Harley-Davidson. This Drag Specialties guard is engineered for precise fitment on your XLH or XLCH,...DS325171- SKU:
- DS325171
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- GUARD
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- CHAIN
$87.69Qty in Cart: 0Quantity:Price:$87.69Subtotal: -
DRAG SPECIALTIES Upper Belt Guard - 80-85 FXB/FXSB 80-86 FXWG 82-84 FLHS Shovelhead - Chrome 32-0184C-BX-LB2
DRAG SPECIALTIES
$141.19A properly functioning upper belt guard protects your primary drive system from debris, moisture, and accidental contact while maintaining the clean, factory-correct appearance your Shovelhead demands. Whether you're running stock or modified power, this...DS325176- 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
$141.19 -
DRAG SPECIALTIES Chain Guard - 63-82 FL 32-0183-BX-LB2
DRAG SPECIALTIES
$156.17A properly fitted chain guard protects your drivetrain from road debris, moisture, and premature wear while maintaining the classic aesthetic of your Harley-Davidson FL. This Drag Specialties unit is engineered to precise tolerances, ensuring reliable...DS325179- SKU:
- DS325179
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- GUARD
- UNITS:
- EACH
- TYPE:
- CHAIN
$156.17 -
DRAG SPECIALTIES Chain Guard - 73-84 FX 32-0181-BX-LB2
DRAG SPECIALTIES
$102.67A properly fitted chain guard protects your drivetrain from debris, road spray, and accidental contact while maintaining clean aesthetics on classic FX models. This Drag Specialties guard delivers reliable coverage without compromising ground clearance...DS325181- SKU:
- DS325181
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- PRODUCT NAME:
- GUARD
- TYPE:
- CHAIN
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
$102.67Qty in Cart: 0Quantity:Price:$102.67Subtotal: -
DRAG SPECIALTIES Clutch Plate Kit 17-0010A-BOX
DRAG SPECIALTIES
$108.07A clutch plate kit is essential for maintaining consistent power transfer and preventing slippage during aggressive driving or high-mileage use. The DRAG SPECIALTIES 17-0010A-BOX delivers OEM-equivalent performance with premium friction materials and a...DS223735- SKU:
- DS223735
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FRICTION PLATE
- TYPE:
- CLUTCH
- UNITS:
- KIT
$108.07 -
DRAG SPECIALTIES Clutch Liner Rivets 17-0002R-HC3
DRAG SPECIALTIES
$5.25Clutch liner rivets are critical wear items that directly impact your clutch's holding capacity and engagement quality. When rivets loosen or deteriorate, you risk slippage under load, inconsistent bite, and potential clutch failure at the worst possible...DS223736- SKU:
- DS223736
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- LINING RIVETS
- RIDING STYLE:
- STREET
- UNITS:
- 8 PACK
- TYPE:
- CLUTCH HUB
$5.25Qty in Cart: 0Quantity:Price:$5.25Subtotal: -
DRAG SPECIALTIES Friction Plates 04-0001-BX-LB2
DRAG SPECIALTIES
$64.61Wet friction plates are critical to your transmission's holding power and shift quality—worn or degraded plates lead to slippage, delayed engagement, and costly damage. The DRAG SPECIALTIES Friction Plates DS-223733 deliver reliable, consistent...DS223733- 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
$64.61
