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
-
On Sale
EBC Clutch Kit SRK7016
EBC
MSRP: $256.98Now: $244.13Was: $256.98A street-to-track clutch demands reliability under extreme load and heat cycles—the EBC SRK7016 delivers consistent engagement whether you're launching hard at the strip or navigating technical road...11313281- SKU:
- 11313281
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- TYPE:
- FRICTION PLATE SET
MSRP: $256.98Now: $244.13Was: $256.98 -
On Sale
EBC Clutch Kit SRK7019
EBC
MSRP: $310.15Now: $294.64Was: $310.15If you're pushing your vehicle hard on track or demand reliable engagement during aggressive street driving, a worn or marginal clutch will cost you lap times and consistency. The EBC Clutch Kit...11313284- SKU:
- 11313284
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- TYPE:
- FRICTION PLATE SET
MSRP: $310.15Now: $294.64Was: $310.15 -
On Sale
EBC Clutch Kit SRK7020
EBC
MSRP: $310.15Now: $294.64Was: $310.15A clutch system that can handle repeated hard launches and sustained track abuse will keep you focused on driving, not worrying about slippage or premature wear. The EBC Clutch Kit SRK7020 delivers...11313285- SKU:
- 11313285
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- FRICTION PLATE SET
- RIDING STYLE:
- STREET
- UNITS:
- KIT
MSRP: $310.15Now: $294.64Was: $310.15 -
On Sale
EBC Clutch Kit SRK7021
EBC
MSRP: $310.15Now: $294.64Was: $310.15If you're pushing your vehicle hard on the street or track, a stock clutch won't cut it. The EBC Clutch Kit SRK7021 delivers the clamping force and durability you need to handle aggressive driving...11313286- SKU:
- 11313286
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- TYPE:
- FRICTION PLATE SET
MSRP: $310.15Now: $294.64Was: $310.15 -
On Sale
EBC Clutch Kit SRK7022
EBC
MSRP: $280.94Now: $266.89Was: $280.94Stock clutches fail under sustained hard driving—whether you're pushing lap times on track or launching hard on the street. The EBC SRK7022 clutch kit delivers the holding power and durability needed...11313287- SKU:
- 11313287
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
- TYPE:
- FRICTION PLATE SET
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
MSRP: $280.94Now: $266.89Was: $280.94 -
On Sale
EBC Clutch Kit CK7009
EBC
MSRP: $177.39Now: $168.52Was: $177.39If your clutch is slipping under acceleration or showing signs of wear, the EBC Clutch Kit CK7009 delivers the friction and heat resistance needed to restore reliable power transfer to the rear wheel...11313300- SKU:
- 11313300
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- STREET
- TYPE:
- FRICTION PLATE SET
MSRP: $177.39Now: $168.52Was: $177.39 -
On Sale
EBC Clutch Kit CK7010
EBC
MSRP: $101.73Now: $96.64Was: $101.73If your clutch is slipping under load or showing signs of wear, the EBC Clutch Kit CK7010 delivers the friction and heat resistance needed to restore engagement and reliability. The...11313301- SKU:
- 11313301
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- TYPE:
- FRICTION PLATE SET
- PRODUCT NAME:
- CLUTCH KIT
MSRP: $101.73Now: $96.64Was: $101.73 -
On Sale
EBC Clutch Kit CK7014
EBC
MSRP: $107.17Now: $101.81Was: $107.17If your clutch is slipping under load or showing signs of wear, the EBC Clutch Kit CK7014 delivers the friction and heat resistance you need for reliable engagement across street, sport, and touring...11313305- SKU:
- 11313305
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- TYPE:
- FRICTION PLATE SET
MSRP: $107.17Now: $101.81Was: $107.17Qty in Cart: 0Quantity:Price:MSRP: $107.17Now: $101.81Was: $107.17Subtotal: -
On Sale
EBC Clutch Kit CK7015
EBC
MSRP: $162.11Now: $154.00Was: $162.11If you're experiencing clutch slip, inconsistent engagement, or premature wear, it's time for a complete friction plate replacement. The EBC Clutch Kit CK7015 delivers reliable, predictable clutch...11313306- SKU:
- 11313306
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- TYPE:
- FRICTION PLATE SET
- RIDING STYLE:
- STREET
MSRP: $162.11Now: $154.00Was: $162.11 -
On Sale
EBC Clutch Kit SRC7003
EBC
MSRP: $261.73Now: $248.64Was: $261.73If you're pushing your vehicle harder on the track or street, your stock clutch won't cut it—you need a clutch system engineered for sustained high-performance demands. The EBC Clutch Kit SRC7003...11313308- SKU:
- 11313308
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- RIDING STYLE:
- STREET
- TYPE:
- FRICTION PLATE SET
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
MSRP: $261.73Now: $248.64Was: $261.73 -
On Sale
EBC Clutch Kit SRC7006
EBC
MSRP: $238.32Now: $226.40Was: $238.32If you're running high-RPM applications or frequent track days, your stock clutch simply won't cut it. The EBC SRC7006 delivers aggressive engagement and superior heat tolerance, giving you the...11313309- SKU:
- 11313309
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- TYPE:
- FRICTION PLATE SET
MSRP: $238.32Now: $226.40Was: $238.32 -
On Sale
EBC Clutch Kit SRC7009
EBC
MSRP: $284.18Now: $269.97Was: $284.18If you're running a high-performance build or pushing your engine hard on the track, stock clutch components simply won't cut it. The EBC Clutch Kit SRC7009 delivers the durability and responsive...11313312- SKU:
- 11313312
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- TYPE:
- FRICTION PLATE SET
MSRP: $284.18Now: $269.97Was: $284.18 -
On Sale
EBC Clutch Springs CSK236
EBC
MSRP: $32.59Now: $30.96Was: $32.59Stock clutch springs compromise performance under high-load conditions, limiting your ability to achieve consistent engagement and maximum power transfer. The EBC Clutch Springs CSK236 deliver 10-15%...11313294- SKU:
- 11313294
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MODEL:
- CSK SERIES
- RIDING STYLE:
- STREET
- UNITS:
- SET
- PRODUCT NAME:
- SPRING SET
- TYPE:
- CLUTCH
MSRP: $32.59Now: $30.96Was: $32.59 -
On Sale
EASTERN MOTORCYCLE PARTS Push Rod Kit A-37280-80
EASTERN MOTORCYCLE PARTS
MSRP: $41.95Now: $38.17Was: $41.95A worn or damaged push rod kit compromises valve train precision and can lead to catastrophic engine failure if left unaddressed. This Eastern Motorcycle Parts kit restores proper valve actuation and...DS192526- SKU:
- DS192526
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PUSHROD KIT
- TYPE:
- CLUTCH
MSRP: $41.95Now: $38.17Was: $41.95Qty in Cart: 0Quantity:Price:MSRP: $41.95Now: $38.17Was: $41.95Subtotal: -
On Sale
EASTERN MOTORCYCLE PARTS Mainshaft Bearing Nut A-35046-36
EASTERN MOTORCYCLE PARTS
Now: $29.39Was: $32.30A worn or damaged mainshaft bearing nut compromises your motorcycle's drivetrain integrity and can lead to costly internal damage or catastrophic failure. This Eastern Motorcycle Parts...DS199419- SKU:
- DS199419
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- TYPE:
- BEARING
- PRODUCT NAME:
- NUT
Now: $29.39Was: $32.30 -
On Sale
EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacers - 0.060" - 0.210" A-24032-SET
EASTERN MOTORCYCLE PARTS
MSRP: $37.95Now: $34.53Was: $37.95Proper sprocket and pulley alignment is critical to drivetrain longevity and performance—misalignment accelerates wear on belts, chains, and bearings. The EASTERN MOTORCYCLE PARTS Sprocket Shaft...DS196135- SKU:
- DS196135
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- SET
- PRODUCT NAME:
- SPACER
- TYPE:
- SPROCKET
- RIDING STYLE:
- STREET
MSRP: $37.95Now: $34.53Was: $37.95 -
On Sale
EASTERN MOTORCYCLE PARTS Mainshaft Bearing Race A-35125-78
EASTERN MOTORCYCLE PARTS
MSRP: $87.95Now: $80.03Was: $87.95The mainshaft bearing race is a critical load-bearing component that directly impacts transmission smoothness and longevity. A worn or damaged race creates play in the mainshaft, leading to gear...DS196139- SKU:
- DS196139
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- STYLE:
- OVERSIZE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- MAINSHAFT
- PRODUCT NAME:
- BEARING RACE
MSRP: $87.95Now: $80.03Was: $87.95Qty in Cart: 0Quantity:Price:MSRP: $87.95Now: $80.03Was: $87.95Subtotal: -
On Sale
EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacers - 0.210" A-24037-70
EASTERN MOTORCYCLE PARTS
Now: $15.93Was: $17.50Proper sprocket and pulley alignment is critical to powertrain longevity—misalignment accelerates wear, increases friction, and can compromise drive system performance. The EASTERN MOTORCYCLE PARTS...DS196143- SKU:
- DS196143
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- TYPE:
- SPROCKET
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
Now: $15.93Was: $17.50 -
On Sale
EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacers - 0.010" A-35850-84
EASTERN MOTORCYCLE PARTS
Now: $6.10Was: $6.70Improper sprocket and belt drive alignment can introduce premature wear, increase vibration, and compromise power transfer efficiency. This spacer delivers precise 0.010" spacing to ensure your front...DS196151- SKU:
- DS196151
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- TYPE:
- SPROCKET
- UNITS:
- 5 PACK
Now: $6.10Was: $6.70Qty in Cart: 0Quantity:Price:Now: $6.10Was: $6.70Subtotal: -
On Sale
EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacers - 0.020" A-35851-84
EASTERN MOTORCYCLE PARTS
Now: $6.10Was: $6.70Improper sprocket and pulley alignment is one of the most common causes of premature wear, vibration, and power loss in high-performance engines. This spacer kit ensures your front motor sprocket or...DS196152- SKU:
- DS196152
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- TYPE:
- SPROCKET
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
Now: $6.10Was: $6.70
