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!
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- Price
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Rekluse RadiusCX Clutch & Basket Kit for Harley-Davidson Touring 2007-2010 Cable Clutch RMS-6415008
REKLUSE
$1,899.00If you're tired of fighting your clutch lever in traffic or struggling to hold your Harley in gear on technical terrain, the Rekluse RadiusCX transforms your cable clutch system into a centrifugally activated powerhouse that lets you ride hands-free at...11321987- SKU:
- 11321987
- Availability:
- Ships Same Business Day
- Weight:
- 8.92 LBS
$1,899.00 -
FEULING OIL PUMP CORP. Compensator Spring - Replacement - Twin Cam 2035
FEULING OIL PUMP CORP.
$59.95Excessive crankshaft harmonics and sluggish low-RPM response are telltale signs of worn compensator springs in your Twin Cam engine. The Feuling Oil Pump Corp. Compensator Spring replaces the factory outer spring with a thicker, stronger design that...11200463- SKU:
- 11200463
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$59.95 -
DRAG SPECIALTIES Sprocket Hub Assembly - Chrome - Touring/Trike 201402
DRAG SPECIALTIES
$335.93Converting your touring or trike to 530 chain drive demands a precision hub assembly that won't compromise drivetrain integrity. This DRAG Specialties sprocket hub assembly is engineered as a direct replacement component, ensuring proper bearing support...12102666- SKU:
- 12102666
- Availability:
- Ships Same Business Day
- Weight:
- 4.65 LBS
$335.93 -
DRAG SPECIALTIES Sprocket Hub Assembly - Black - Touring/Trike 201403
DRAG SPECIALTIES
$404.41If you're running a 530 chain conversion on your touring or trike, the sprocket hub assembly is the critical interface between your engine and drivetrain. A worn or damaged hub compromises power transfer efficiency and creates unnecessary vibration that...12102667- SKU:
- 12102667
- Availability:
- Ships Same Business Day
- Weight:
- 4.55 LBS
$404.41 -
DRAG SPECIALTIES Rear Sprocket - 51 Tooth - Chrome - Touring/Trike 201400
DRAG SPECIALTIES
$106.95A properly sized rear sprocket is critical for maximizing acceleration, maintaining optimal chain tension, and ensuring smooth power delivery on your touring or trike setup. The DRAG SPECIALTIES 51-tooth sprocket is engineered as a direct replacement for...12102668- SKU:
- 12102668
- Availability:
- Ships Same Business Day
- Weight:
- 3.75 LBS
$106.95 -
DRAG SPECIALTIES Rear Sprocket - 51 Tooth - Black - Touring/Trike 201401
DRAG SPECIALTIES
$106.95Running a 530 chain conversion on your touring or trike demands a sprocket engineered for the increased load and durability requirements of larger displacement engines. This DRAG SPECIALTIES 51-tooth rear sprocket delivers the precise gearing geometry...12102669- SKU:
- 12102669
- Availability:
- Ships Same Business Day
- Weight:
- 3.55 LBS
$106.95 -
DRAG SPECIALTIES Transmission Sprocket - 24 Tooth - '09-'16 191319
DRAG SPECIALTIES
$38.68If you're running a 530 chain drive conversion on your '09-'16 machine, this 24-tooth front sprocket is essential for reliable power transfer and consistent gear ratios. Drag Specialties engineered this sprocket to handle the demands of high-performance...12102670- SKU:
- 12102670
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
$38.68Qty in Cart: 0Quantity:Price:$38.68Subtotal: -
DRAG SPECIALTIES Transmission Sprocket - 24 Tooth - M8 Touring/Trike 191327
DRAG SPECIALTIES
$99.46If you're running a 530 chain drive conversion on your M8 Touring or Trike, this 24-tooth transmission sprocket is essential for maintaining proper engagement and power delivery to the wheel. A worn or incompatible sprocket will cause chain slippage,...12102671- SKU:
- 12102671
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
$99.46 -
EASTERN MOTORCYCLE PARTS Replacement Bearing V-13-253
EASTERN MOTORCYCLE PARTS
$91.95Worn or failing clutch release bearings compromise your bike's clutch engagement and create costly cascading damage to your ramp and kick arm assemblies. The Eastern Motorcycle Parts V-13-253 is a direct replacement bearing engineered to restore smooth,...11321628- SKU:
- 11321628
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$91.95 -
MUELLER MOTORCYCLE AG Hydro Clutch - V-Rod 120-70
MUELLER MOTORCYCLE AG
$371.95If you're running a Twin-Cam or Milwaukee Eight and want precise clutch modulation without constant adjustment, a hydraulic relief system is non-negotiable. The MUELLER MOTORCYCLE AG Hydro Clutch eliminates dead zones in your lever pull, giving you...11300661- SKU:
- 11300661
- Availability:
- Ships Same Business Day
- Weight:
- 0.87 LBS
$371.95 -
DYNOJET Chain Guard - Pan America 61300096
DYNOJET
$91.10Your Pan America's chain and rear sprocket face constant exposure to road debris, loose rocks, and impact hazards that can cause costly derailments and drivetrain damage. This DYNOJET Chain Guard delivers reliable protection without adding unnecessary...12020166- SKU:
- 12020166
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$91.10 -
KODLIN USA Belt Guard - Sportster S K47298
KODLIN USA
$119.99The KODLIN USA Belt Guard for Sportster S protects your primary drive belt from debris, road spray, and accidental contact while maintaining clean aesthetics. A belt replacement can quickly become expensive—this guard extends belt life and prevents...12020167- SKU:
- 12020167
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
$119.99 -
SENSOR TECH Clutch Plate Kit CC-132CPS-100
SENSOR TECH
$285.23A worn or marginal clutch plate compromises your power delivery and shift consistency—especially critical in high-demand racing or performance driving where precision matters. The SENSOR TECH Clutch Plate Kit CC-132CPS-100 delivers the friction...11313844- SKU:
- 11313844
- Availability:
- Ships Same Business Day
- Weight:
- 3.75 LBS
$285.23Qty in Cart: 0Quantity:Price:$285.23Subtotal: -
ALLOY ART Frame Stabilizer 09TS-3
ALLOY ART
$169.95Frame flex and motor oscillation compromise both handling precision and chassis integrity, especially under hard acceleration or cornering loads. The ALLOY ART Frame Stabilizer 09TS-3 directly addresses these issues by rigidly connecting critical frame...11110018- SKU:
- 11110018
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
$169.95 -
ALLOY ART Frame Stabilizer M8TS-3
ALLOY ART
$169.95Frame flex and motor oscillation compromise both handling precision and structural integrity, especially under hard acceleration or cornering loads. The ALLOY ART Frame Stabilizer M8TS-3 directly addresses these issues by rigidly connecting your frame to...11110019- SKU:
- 11110019
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
$169.95 -
SLYFOX Transmission Cover - Gloss 12059G
SLYFOX
$209.95A transmission cover serves as both protective barrier and visual statement on your engine bay. The SLYFOX 12059G replaces your factory cover with genuine carbon fiber construction, delivering weight savings without compromising durability or thermal...11050261- SKU:
- 11050261
- Availability:
- Ships Same Business Day
- Weight:
- 0.43 LBS
$209.95 -
SLYFOX Transmission Cover - Matte 12059M
SLYFOX
$209.95A transmission cover serves as both protection and visual statement on your build. The SLYFOX Transmission Cover upgrades your drivetrain's durability while delivering aggressive aesthetics under the hood. Carbon fiber construction keeps weight minimal...11050262- SKU:
- 11050262
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$209.95 -
COVINGTONS Transmission Side Cover - Diamondback - Chrome C3065-C
COVINGTONS
$381.95Your stock transmission cover is functional, but it's a visual anchor dragging down an otherwise refined build. The Covington's Diamondback side cover replaces that bland OEM piece with precision-machined billet aluminum that catches light and commands...11050264- SKU:
- 11050264
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$381.95 -
COVINGTONS Transmission Top Cover - Diamondback - Black C3071-B
COVINGTONS
$317.95A transmission top cover does more than protect your gearbox—it's a visual statement of build quality and attention to detail. Covington's Diamondback design combines CNC-machined billet aluminum construction with clean aesthetics, giving your...11050265- SKU:
- 11050265
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$317.95 -
COVINGTONS Transmission Top Cover - Diamondback - Chrome - M8 Touring C3073-C
COVINGTONS
$317.95Your transmission top cover is constantly exposed to heat, debris, and the elements—so it deserves protection that matches your bike's performance standards. Covington's Diamondback cover combines CNC-machined billet aluminum construction with premium...11050268- SKU:
- 11050268
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
$317.95
