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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ALTO PRODUCTS Carbonite Clutch 095750EC
ALTO PRODUCTS
$253.95Made from 3M™ carbon-based friction-based material to withstand higher coefficients of friction and higher temperatures than any other product available, Kolene® Melonite® treated steels for enhanced performance, engagement, longer life and cooler...11310462- SKU:
- 11310462
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- PRODUCT NAME:
- PLATE SET
- DRIVE PLATE MATERIAL:
- STEEL
- FRICTION PLATE MATERIAL:
- CARBON FIBER
- TYPE:
- CLUTCH
- UNITS:
- KIT
- MODEL:
- CARBONITE POWERPAK
- RIDING STYLE:
- STREET
$253.95Qty in Cart: 0Quantity:Price:$253.95Subtotal: -
ALTO PRODUCTS Steel Plate 095771-120UP1
ALTO PRODUCTS
$12.95Increased surface area for decreased slipping, Increases holding while decreasing heat generation, Precision-made steel plates, Meets or exceeds OEM specifications, Made in the U.S.A.11310494- SKU:
- 11310494
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- DRIVE PLATE MATERIAL:
- STEEL
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CLUTCH PLATE
- UNITS:
- EACH
$12.95Qty in Cart: 0Quantity:Price:$12.95Subtotal: -
ALTO PRODUCTS Rivera Pro Clutch Plate - Bronze 320720BRUP1
ALTO PRODUCTS
$37.95Provides a large increase in clutch plate surface for getting horsepower to the rear wheel, Meets or exceeds OEM specifications, Made in the U.S.A.11310496- SKU:
- 11310496
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- RIDING STYLE:
- STREET
- FRICTION PLATE MATERIAL:
- BRONZE
- COLOR/FINISH:
- BRONZE
- PRODUCT NAME:
- FRICTION PLATE
- UNITS:
- EACH
- MODEL:
- PRO CLUTCH
- TYPE:
- CLUTCH
$37.95 -
ALTO PRODUCTS Rivera Pro Clutch Plate - Red Eagle 320730-240UP1
ALTO PRODUCTS
$11.95Provides a large increase in clutch plate surface for getting horsepower to the rear wheel, Meets or exceeds OEM specifications, Made in the U.S.A.11310502- SKU:
- 11310502
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- FRICTION PLATE
- UNITS:
- EACH
- COLOR/FINISH:
- RED
- FRICTION PLATE MATERIAL:
- ORGANIC
- RIDING STYLE:
- STREET
- MODEL:
- PRO CLUTCH
- TYPE:
- CLUTCH
$11.95Qty in Cart: 0Quantity:Price:$11.95Subtotal: -
ALTO PRODUCTS Clutch Plates - Red Eagle - Brute 320750B
ALTO PRODUCTS
$173.95Direct replacement clutch plates for BDL Quiet Clutches, Kit includes seven Red Eagle fiber and seven steel plates, Made in the U.S.A.11310504- SKU:
- 11310504
- Availability:
- Ships Same Business Day
- Weight:
- 4.11 LBS
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- COMPLETE
- COLOR/FINISH:
- RED
- DRIVE PLATE MATERIAL:
- STEEL
- FRICTION PLATE MATERIAL:
- RED EAGLE®
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- MODEL:
- BRUTE SERIES
$173.95Qty in Cart: 0Quantity:Price:$173.95Subtotal: -
ALTO PRODUCTS Clutch Plates 320750E
ALTO PRODUCTS
$141.95Provides a large increase in clutch plate surface for getting horsepower to the rear wheel, Meets or exceeds OEM specifications, Kits include the required number of fiber and steel plates for each application, Made in the U.S.A.11310506- SKU:
- 11310506
- Availability:
- Ships Same Business Day
- Weight:
- 3.70 LBS
- MODEL:
- PRO CLUTCH
- DRIVE PLATE MATERIAL:
- STEEL
- FRICTION PLATE MATERIAL:
- KEVLAR
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- COMPLETE
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$141.95Qty in Cart: 0Quantity:Price:$141.95Subtotal: -
ALTO PRODUCTS Heavy Duty Spring Separator Plate 095763HDUP1
ALTO PRODUCTS
$73.95Heavy duty replacement, Addresses issue of brass rivets loosening over time with high mileage, Features 16 stainless steel rivets to hold the plate together for longer lasting durability, instead of brass rivets11313503- SKU:
- 11313503
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- SPRING PLATE
- TYPE:
- SEPARATOR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- STYLE:
- HEAVY DUTY
- MATERIAL:
- STAINLESS STEEL
$73.95Qty in Cart: 0Quantity:Price:$73.95Subtotal: -
On Sale
COLONY Transmission Stud - 1/2-13 x 3/8-24 9655-4
COLONY
MSRP: $24.95Now: $22.46Was: $24.95Transmission studs are critical fastening points that endure extreme clamping loads and thermal cycling. The COLONY 1/2-13 x 3/8-24 transmission stud delivers the strength and reliability you need to keep your transmission secured under hard acceleration...DS189935- SKU:
- DS189935
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- DIAMETER - THREAD SIZE:
- 1/2-13
- PRODUCT NAME:
- TRANSMISSION BOTTOM STUD
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
- DIAMETER - THREAD SIZE:
- 3/8-24
- STYLE:
- OVERSIZE
- STYLE:
- REPLACEMENT
- TYPE:
- TRANSMISSION
MSRP: $24.95Now: $22.46Was: $24.95 -
FEULING OIL PUMP CORP. American Derby Cover - Polished 9151
FEULING OIL PUMP CORP.
$159.95A derby cover does more than protect your primary—it's the first visual statement your motorcycle makes. The FEULING® American Derby Cover elevates your bike's appearance with precision machining and patriotic styling, while the billet aluminum...11070613- SKU:
- 11070613
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- COLOR/FINISH:
- SILVER
- COLOR/FINISH:
- POLISHED
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- DERBY
$159.95 -
DP BRAKES Clutch Kit DPHK606
DP BRAKES
$265.95A worn or slipping clutch doesn't just compromise your shifts—it costs you power delivery and reliability when it matters most. The DP BRAKES Clutch Kit DPHK606 is engineered to eliminate fade and slip under sustained load, giving you consistent...11313490- SKU:
- 11313490
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
$265.95 -
DRAG SPECIALTIES Rear Wheel Sprocket - 51-Tooth - Big Twin 13464P
DRAG SPECIALTIES
$61.31A properly geared rear sprocket is critical to extracting maximum performance from your Big Twin engine, whether you're optimizing for top-end speed or low-end acceleration. The 51-tooth configuration delivers the balance most riders need for street and...12100777- SKU:
- 12100777
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- COLOR/FINISH:
- NATURAL
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- ZINC
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TYPE:
- DRIVE
- UNITS:
- EACH
$61.31Qty in Cart: 0Quantity:Price:$61.31Subtotal: -
DRAG SPECIALTIES Rear Wheel Sprocket - 49-Tooth - Chrome 71891BP
DRAG SPECIALTIES
$86.62A worn or damaged rear sprocket directly impacts your bike's acceleration, top-end performance, and overall drivetrain efficiency. This Drag Specialties 49-tooth replacement restores precise chain engagement and eliminates the vibration and noise that...12100605- SKU:
- 12100605
- Availability:
- Ships Same Business Day
- Weight:
- 5.10 LBS
$86.62Qty in Cart: 0Quantity:Price:$86.62Subtotal: -
DRAG SPECIALTIES Rear Wheel Sprocket - 49-Tooth - Chrome 19432P
DRAG SPECIALTIES
$88.76A worn or damaged rear sprocket directly impacts your chain engagement and overall drivetrain efficiency—replacing it keeps power transfer smooth and prevents premature chain wear. The DRAG SPECIALTIES 49-tooth sprocket delivers reliable performance with...12100607- SKU:
- 12100607
- Availability:
- Ships Same Business Day
- Weight:
- 5.08 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- OFFSET IMPERIAL:
- 0.46'
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- CHAIN SIZE:
- 530
- MATERIAL:
- CARBON STEEL
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
$88.76 -
DRAG SPECIALTIES Rear Sprocket - Chrome - Dished - 48-Tooth 16424P
DRAG SPECIALTIES
$89.83If you're converting from belt drive to chain drive, gear ratio directly impacts your acceleration and top-end performance—choosing the right sprocket is non-negotiable. This DRAG SPECIALTIES 48-tooth rear sprocket gives you a proven platform for custom...12100367- SKU:
- 12100367
- Availability:
- Ships Same Business Day
- Weight:
- 4.79 LBS
- COLOR/FINISH:
- CHROME
- OFFSET IMPERIAL:
- 0.230'
- PRODUCT NAME:
- SPROCKET
- TYPE:
- CONVERSION
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- CHAIN SIZE:
- 530
- MOUNTING POSITION:
- REAR
- BORE SIZE IMPERIAL:
- 2.220'
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 48
- TYPE:
- DRIVE
$89.83Qty in Cart: 0Quantity:Price:$89.83Subtotal: -
DRAG SPECIALTIES Rear Sprocket - Chrome - Flat - 46-Tooth 16429P
DRAG SPECIALTIES
$103.74If you're upgrading from a belt-driven rear end to a chain-drive system, this Drag Specialties sprocket delivers the direct power transfer and durability that serious racers demand. The 46-tooth configuration provides optimal gearing for acceleration and...12100375- SKU:
- 12100375
- Availability:
- Ships Same Business Day
- Weight:
- 4.24 LBS
$103.74Qty in Cart: 0Quantity:Price:$103.74Subtotal: -
DRAG SPECIALTIES Clutch Basket 64006
DRAG SPECIALTIES
$416.53A worn or damaged clutch basket compromises power delivery and can lead to catastrophic clutch failure mid-race or ride. The DRAG SPECIALTIES Clutch Basket 64006 is a direct OEM-equivalent replacement that restores proper clutch engagement and basket...11321121- SKU:
- 11321121
- Availability:
- Ships Same Business Day
- Weight:
- 6.55 LBS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CLUTCH SHELL
- TYPE:
- CLUTCH
$416.53Qty in Cart: 0Quantity:Price:$416.53Subtotal: -
DRAG SPECIALTIES Transmission Dipstick 77557
DRAG SPECIALTIES
$27.51Accurate transmission fluid monitoring is essential for maintaining optimal hydraulic pressure, shift quality, and component longevity. A worn or damaged dipstick can lead to overfilling, underfilling, or contamination—each of which compromises...11050139- SKU:
- 11050139
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- DIPSTICK
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
$27.51Qty in Cart: 0Quantity:Price:$27.51Subtotal: -
DRAG SPECIALTIES Transmission Dipstick 77742
DRAG SPECIALTIES
$27.51Accurate transmission fluid monitoring is non-negotiable for engine longevity and performance. A quality dipstick provides immediate feedback on fluid level and condition, preventing costly damage from overfill or starvation. The DRAG SPECIALTIES 77742...11050146- SKU:
- 11050146
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- TYPE:
- TRANSMISSION
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- DIPSTICK
- RIDING STYLE:
- STREET
$27.51Qty in Cart: 0Quantity:Price:$27.51Subtotal: -
DRAG SPECIALTIES Rear Wheel Sprocket - 51-Tooth - Black 19387EB
DRAG SPECIALTIES
$88.76A worn or damaged rear sprocket directly impacts your bike's acceleration, top-end performance, and overall drivetrain efficiency. The DRAG SPECIALTIES 51-tooth sprocket delivers reliable power transfer with minimal wear, ensuring consistent performance...12101839- SKU:
- 12101839
- Availability:
- Ships Same Business Day
- Weight:
- 5.51 LBS
- TOOTH COUNT:
- 51
- MATERIAL:
- CARBON STEEL
- PRODUCT NAME:
- SPROCKET
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- TYPE:
- DRIVE
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GLOSS
- OFFSET IMPERIAL:
- 0.46'
- UNITS:
- EACH
$88.76Qty in Cart: 0Quantity:Price:$88.76Subtotal: -
DRAG SPECIALTIES Rear Wheel Sprocket - 46-Tooth - Black 16428EB
DRAG SPECIALTIES
$77.95A properly sized rear sprocket is critical to your bike's acceleration, top-end speed, and overall drivetrain efficiency. The DRAG SPECIALTIES 46-tooth sprocket delivers the gear ratio you need for aggressive acceleration without sacrificing reliability...12101840- SKU:
- 12101840
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
- OFFSET IMPERIAL:
- 0.23'
- TOOTH COUNT:
- 46
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- TYPE:
- DRIVE
- MATERIAL:
- CARBON STEEL
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GLOSS
- UNITS:
- EACH
$77.95Qty in Cart: 0Quantity:Price:$77.95Subtotal:
