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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REKLUSE RadiusX Clutch RMS-6201
REKLUSE
$1,179.00Stalling at traffic lights and feathering the clutch on technical terrain are problems of the past with the REKLUSE RadiusX Clutch RMS-6201. This automatic clutch system delivers dead-on engagement every time, allowing you to focus entirely on throttle...11300308- SKU:
- 11300308
- Availability:
- Ships Same Business Day
- Weight:
- 3.75 LBS
- MODEL:
- RADIUSX
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
$1,179.00 -
Rekluse RadiusX Clutch 2014-2016 Harley-Davidson Street Glide FLHX RMS-6202
REKLUSE
$1,179.00Stop fighting your clutch in stop-and-go traffic and at the line. The Rekluse RadiusX transforms your Street Glide into a confidence machine—automatic engagement on takeoff eliminates stalls, while maintaining full manual control when you need it...11300309- SKU:
- 11300309
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
- MODEL:
- RADIUSX
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
$1,179.00 -
REKLUSE RadiusCX Clutch 2015-2020 Honda CRF450R RMS-7915006
REKLUSE
$1,249.00If you're running a 2015-2020 Honda CRF450R, the REKLUSE RadiusCX Clutch eliminates the physical and mental fatigue of constant manual clutch modulation, giving you smoother control in technical terrain and traffic situations. The centrifugally activated...11300573- SKU:
- 11300573
- Availability:
- Ships Same Business Day
- Weight:
- 5.60 LBS
- MODEL:
- RADIUSCX
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$1,249.00 -
Rekluse RadiusX Clutch Kit for 2017-2022 KTM 500 EXC-F Six Days RMS-6216100
REKLUSE
$1,159.00The Rekluse RadiusX clutch eliminates the constant manual engagement demands of trail riding and racing, letting you focus entirely on line choice and throttle control. By automating clutch modulation through advanced TorqDrive technology, you'll...11300578- SKU:
- 11300578
- Availability:
- Ships Same Business Day
- Weight:
- 6.65 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- MODEL:
- RADIUSX
- RIDING STYLE:
- STREET
$1,159.00Qty in Cart: 0Quantity:Price:$1,159.00Subtotal: -
Rekluse TorqDrive Clutch Kit for 1990-1997 Harley Big Twin Models RMS-2815009
REKLUSE
$449.00If you're running increased horsepower through your Big Twin, your stock clutch is working overtime—and likely slipping under load. The Rekluse TorqDrive Clutch Kit delivers up to 50% stronger engagement without requiring you to pull harder on the lever,...11300579- SKU:
- 11300579
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- RIDING STYLE:
- STREET
- MODEL:
- TORQDRIVE®
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
$449.00 -
Rekluse Clutch Kit for 2019-2020 Indian FTR 1200 S Rally RMS-2816200
REKLUSE
$559.00The stock clutch on your 2019-2020 Indian FTR 1200 S Rally limits how much torque you can safely transmit—especially if you're running higher boost or demand crisp, consistent engagement in varied riding conditions. The Rekluse RMS-2816200 replaces that...11300583- SKU:
- 11300583
- Availability:
- Ships Same Business Day
- Weight:
- 3.20 LBS
- MODEL:
- TORQDRIVE®
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$559.00Qty in Cart: 0Quantity:Price:$559.00Subtotal: -
Rekluse RadiusX Clutch 2022-2023 Beta 250 RR 2T RMS-6216200
REKLUSE
$949.00If you're running a 2022-2023 Beta 250 RR 2T, stalling on technical terrain or constant clutch adjustments are costing you performance and focus. The Rekluse RadiusX Clutch eliminates these distractions with auto clutch technology that prevents engine...11300584- SKU:
- 11300584
- Availability:
- Ships Same Business Day
- Weight:
- 3.20 LBS
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- STREET
- MODEL:
- RADIUSX
- UNITS:
- KIT
$949.00 -
PERFORMANCE MACHINE (PM) Derby Cover - Chrome 0177-2083M-CH
PERFORMANCE MACHINE (PM)
$359.95Stock derby covers deteriorate over time—UV exposure causes yellowing, abrasion creates hazing, and thermal cycling cracks the plastic lens. The PM Derby Cover replaces these weak points with a polycarbonate lens engineered to resist degradation while...11070670- SKU:
- 11070670
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- MATERIAL:
- BILLET ALUMINUM
- MOUNTING STYLE:
- 5 HOLE
- STYLE:
- VISION
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- DERBY COVER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$359.95 -
PERFORMANCE MACHINE (PM) Derby Cover - Contrast Cut¢â€žÂ¢ 0177-2083M-BM
PERFORMANCE MACHINE (PM)
$359.95Stock derby covers are prone to cracking, hazing, and UV damage—compromises that expose your primary cover and detract from your bike's appearance. The PM Derby Cover solves this with a precision-engineered aluminum bezel and durable polycarbonate lens...11070671- SKU:
- 11070671
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- STREET
- STYLE:
- VISION
- UNITS:
- EACH
- COLOR/FINISH:
- CONTRAST CUT™
- MOUNTING STYLE:
- 5 HOLE
- PRODUCT NAME:
- DERBY COVER
$359.95 -
PERFORMANCE MACHINE (PM) Derby Cover - Black Ops¢â€žÂ¢ 0177-2083M-SMB
PERFORMANCE MACHINE (PM)
$359.95Stock derby covers crack under heat and UV exposure, compromising both aesthetics and engine bay protection. The PM Derby Cover – Black Ops replaces your vulnerable OEM primary cover with a precision-engineered solution that resists yellowing, hazing,...11070672- SKU:
- 11070672
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- MATERIAL:
- BILLET ALUMINUM
- MOUNTING STYLE:
- 5 HOLE
- RIDING STYLE:
- STREET
- STYLE:
- VISION
- PRODUCT NAME:
- DERBY COVER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK OPS™
$359.95 -
PERFORMANCE MACHINE (PM) Transmission Cover - Chrome 0177-2080M-CH
PERFORMANCE MACHINE (PM)
$486.95A clutch master cylinder cover that looks as good as it performs. The PM Transmission Cover combines durable polycarbonate optics with a precision-engineered aluminum bezel to protect your hydraulic system while maintaining the clean, purposeful...11070673- SKU:
- 11070673
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- MATERIAL:
- BILLET ALUMINUM
- TYPE:
- TRANSMISSION
$486.95 -
PERFORMANCE MACHINE (PM) Transmission Cover - Contrast Cut¢â€žÂ¢ 0177-2080M-BM
PERFORMANCE MACHINE (PM)
$470.95A quality transmission cover does more than protect your master cylinder—it eliminates the risk of fluid leaks, cracking, and contamination that can compromise clutch response and safety. The PM Contrast Cut cover pairs seamlessly with Performance...11070674- SKU:
- 11070674
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CONTRAST CUT™
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- TYPE:
- TRANSMISSION
- MATERIAL:
- BILLET ALUMINUM
$470.95 -
PERFORMANCE MACHINE (PM) Transmission Cover - Black Ops¢â€žÂ¢ 0177-2080M-SMB
PERFORMANCE MACHINE (PM)
$470.95A clutch master cylinder cover that actually protects your investment. The PM Transmission Cover eliminates the cracking and hazing that plague traditional plastic housings, while maintaining crystal-clear visibility of your fluid level. Engineered to...11070675- SKU:
- 11070675
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- COLOR/FINISH:
- BLACK OPS™
- TYPE:
- TRANSMISSION
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$470.95 -
PERFORMANCE MACHINE (PM) Transmission Cover - Chrome 0177-2081M-CH
PERFORMANCE MACHINE (PM)
$403.95A transmission cover that combines form and function—protecting your drivetrain while giving you visibility into one of your engine bay's hardest-working components. The CNC-machined billet aluminum construction resists vibration and heat cycles that...11070676- SKU:
- 11070676
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- TYPE:
- TRANSMISSION
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
$403.95 -
PERFORMANCE MACHINE (PM) Transmission Cover - Contrast Cut¢â€žÂ¢ 0177-2081M-BM
PERFORMANCE MACHINE (PM)
$438.95A transmission cover isn't just protective equipment—it's a window into your machine's performance. The PM Transmission Cover gives you full visibility of your clutch and transmission operation while shielding critical components from debris, UV...11070677- SKU:
- 11070677
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- PRODUCT NAME:
- COVER
- MATERIAL:
- BILLET ALUMINUM
- TYPE:
- TRANSMISSION
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- CONTRAST CUT™
$438.95 -
PERFORMANCE MACHINE (PM) Transmission Cover - Black Ops¢â€žÂ¢ 0177-2081M-SMB
PERFORMANCE MACHINE (PM)
$438.95A transmission cover isn't just a protective component—it's a window into your machine's performance. The PM Black Ops™ transmission cover combines precision CNC-machined billet aluminum construction with a crystal-clear polycarbonate lens, giving you...11070678- SKU:
- 11070678
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- COLOR/FINISH:
- BLACK OPS™
- MATERIAL:
- BILLET ALUMINUM
- TYPE:
- TRANSMISSION
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$438.95 -
PERFORMANCE MACHINE (PM) Universal Cush-Drive - Chrome 0093-7268UNVLCH
PERFORMANCE MACHINE (PM)
$907.95A worn or damaged cush-drive creates power loss, vibration, and premature belt wear that compounds across your entire drivetrain. This universal PM cush-drive restores precise belt engagement and eliminates the slop that robs you of reliable power...12010463- SKU:
- 12010463
- Availability:
- Ships Same Business Day
- Weight:
- 8.10 LBS
- PRODUCT NAME:
- PULLEY
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- TOOTH COUNT:
- 68
- TYPE:
- CUSH DRIVE
- WIDTH IMPERIAL:
- 1.000'
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$907.95 -
PERFORMANCE MACHINE (PM) Derby Cover 0177-2026-CH
PERFORMANCE MACHINE (PM)
$200.95A stock derby cover exposes your primary to dirt, moisture, and debris while detracting from a finished look. The PM Derby Cover 0177-2026-CH restores both protection and aesthetics with a precision-machined replacement that bolts directly onto your OEM...11070313- SKU:
- 11070313
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- MOUNTING STYLE:
- 5 HOLE
- STYLE:
- SCALLOPED
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- COVER
- TYPE:
- DERBY
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$200.95 -
PERFORMANCE MACHINE (PM) Transmission Cover 0066-2008-CH
PERFORMANCE MACHINE (PM)
$446.95If you're running a Performance Machine master cylinder, this transmission cover is engineered to deliver consistent, responsive clutch engagement without compromises. The fluted aluminum construction paired with a chrome finish provides both durability...11070162- SKU:
- 11070162
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- COVER
- TRANSMISSION TYPE:
- HYDRAULIC
- TYPE:
- HYDRAULIC CLUTCH ACTUATOR
- MOUNTING STYLE:
- 6 HOLE
- RIDING STYLE:
- STREET
- MATERIAL:
- ALUMINUM
- STYLE:
- FLUTED
- UNITS:
- EACH
$446.95Qty in Cart: 0Quantity:Price:$446.95Subtotal: -
PERFORMANCE MACHINE (PM) Derby Cover 0177-2026-BMP
PERFORMANCE MACHINE (PM)
$213.95A stock derby cover collects road grime and detracts from a properly finished engine bay. The PM Derby Cover 0177-2026-BMP delivers a clean, purposeful appearance while protecting your primary case with a precision-machined component engineered to match...11070329- SKU:
- 11070329
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- COVER
- TYPE:
- DERBY
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- MATTE
- MOUNTING STYLE:
- 5 HOLE
- STYLE:
- SCALLOPED
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- PLATINUM CUT
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$213.95
