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
-
MAGNUM Clutch Line 31876
MAGNUM
$134.95Constructed with PTFE inner tubing, DuPont Kevlar aramid fiber, premium Signature Magnum braids and an outer PVC jacket, Three unique stainless steel transmission fittings eliminate the use of adapters, Braid color and weave match all other Magnum...11321044- SKU:
- 11321044
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- CONNECTOR TYPE:
- 10 MM 35° BANJO FITTING
- BRAND SPECIFIC COLOR:
- STERLING CHROMITE II
- LENGTH IMPERIAL:
- 76'
- PRODUCT NAME:
- CLUTCH LINE
- TYPE:
- HYDRAULIC
$134.95 -
MAGNUM Clutch Line 41782
MAGNUM
$137.95Constructed with PTFE inner tubing, DuPont Kevlar aramid fiber, premium Signature Magnum braids and an outer PVC jacket, Three unique stainless steel transmission fittings eliminate the use of adapters, Braid color and weave match all other Magnum...11321081- SKU:
- 11321081
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- CONNECTOR TYPE:
- 10 MM STRAIGHT BANJO FITTING
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- CLUTCH LINE
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- TYPE:
- HYDRAULIC
- LENGTH IMPERIAL:
- 82'
- BRAND SPECIFIC COLOR:
- BLACK PEARL
- UNITS:
- EACH
$137.95Qty in Cart: 0Quantity:Price:$137.95Subtotal: -
MAGNUM Clutch Line 41870
MAGNUM
$126.95Constructed with PTFE inner tubing, DuPont Kevlar aramid fiber, premium Signature Magnum braids and an outer PVC jacket, Three unique stainless steel transmission fittings eliminate the use of adapters, Braid color and weave match all other Magnum...11321092- SKU:
- 11321092
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BRAND SPECIFIC COLOR:
- BLACK PEARL
- CONNECTOR TYPE:
- 10 MM 35° BANJO FITTING
- LENGTH IMPERIAL:
- 70'
- TYPE:
- HYDRAULIC
- MATERIAL:
- STAINLESS STEEL
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CLUTCH LINE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$126.95 -
MAGNUM Clutch Line 41982
MAGNUM
$138.95Constructed with PTFE inner tubing, DuPont Kevlar aramid fiber, premium Signature Magnum braids and an outer PVC jacket, Three unique stainless steel transmission fittings eliminate the use of adapters, Braid color and weave match all other Magnum...11321115- SKU:
- 11321115
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BRAND SPECIFIC COLOR:
- BLACK PEARL
- CONNECTOR TYPE:
- 10 MM 90° BANJO FITTING
- PRODUCT NAME:
- CLUTCH LINE
- COLOR/FINISH:
- BLACK
- TYPE:
- HYDRAULIC
- LENGTH IMPERIAL:
- 82'
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$138.95Qty in Cart: 0Quantity:Price:$138.95Subtotal: -
ANDREWS Mainshaft - 4th Gear 299104
ANDREWS
$129.95Sold individually, unless noted.11060063- SKU:
- 11060063
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- GEAR
- TOOTH COUNT:
- 30
- STYLE:
- STANDARD RATIO
- TYPE:
- FOURTH GEAR
- MATERIAL:
- HIGH-NICKEL ALLOY STEEL
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$129.95Qty in Cart: 0Quantity:Price:$129.95Subtotal: -
THRASHIN SUPPLY CO. Derby Cover - Polished - Classic TSC-3010-2
THRASHIN SUPPLY CO.
$129.956061 billet aluminum construction, Includes gasket, Made in U.S.A.11070586- SKU:
- 11070586
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MOUNTING STYLE:
- 5 HOLE
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- MATERIAL:
- 6061 BILLET ALUMINUM
- STYLE:
- CLASSIC
- PRODUCT NAME:
- DERBY COVER
- UNITS:
- EACH
$129.95Qty in Cart: 0Quantity:Price:$129.95Subtotal: -
On Sale
Belt Drives Ltd 8mm Primary Drive Belt for 1971-1984 Harley-Davidson FXR and 1966-1984 Touring BDL-132-1-5/8
BELT DRIVES LTD.
MSRP: $106.95Now: $96.26Was: $106.95Enhance the performance of your BDL primary drive with the BDL-132-1-5/8 replacement belt. Designed for durability and efficiency, this belt ensures smooth operation and reliable power transmission. Upgrade your machinery with this high-quality...DS360003- SKU:
- DS360003
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PRODUCT NAME:
- DRIVE BELT
- WIDTH IMPERIAL:
- 1-5/8'
- STYLE:
- RIBBED
- TYPE:
- PRIMARY
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 132
- UNITS:
- EACH
MSRP: $106.95Now: $96.26Was: $106.95Qty in Cart: 0Quantity:Price:MSRP: $106.95Now: $96.26Was: $106.95Subtotal: -
On Sale
Belt Drives Ltd 132 Tooth 1-1/2in Wide Primary Drive Belt for Harley-Davidson FLH 1970-1977 BDL-30853 BE
BELT DRIVES LTD.
MSRP: $85.95Now: $77.36Was: $85.95Enhance the performance of your BDL primary drive with the BDL-30853 BE Replacement Belt. Designed for durability and efficiency, this belt ensures optimal power transmission and longevity, making it a reliable choice for your machinery needs. ...DS360008- SKU:
- DS360008
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- STYLE:
- RIBBED
- TOOTH COUNT:
- 132
- UNITS:
- EACH
- PRODUCT NAME:
- DRIVE BELT
- TYPE:
- PRIMARY
- WIDTH IMPERIAL:
- 1-1/2'
- RIDING STYLE:
- STREET
MSRP: $85.95Now: $77.36Was: $85.95 -
BAKER DRIVETRAIN Transmission Cover DD7-10602-A
BAKER DRIVETRAIN
$479.00Low-profile external features allow maximum exhaust clearance, 12-point stainless steel ARP bolts and gasket included, All side covers have hydraulic feed and include 1.5" diameter piston; compatible with OEM or 11/16" hydraulic master cylinders,...11070687- SKU:
- 11070687
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
- COLOR/FINISH:
- POLISHED
- UNITS:
- KIT
$479.00 -
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
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
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: -
COLONY Transmission Stud - 1/2-13 x 3/8-24 9655-4
COLONY
$24.95Studs are heat-treated for strength and durability, Equal or surpass original equipment, Made in the U.S.A.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
$24.95 -
FEULING OIL PUMP CORP. American Derby Cover - Polished 9151
FEULING OIL PUMP CORP.
$159.95Dress your motorcycle in style with a FEULING® derby cover, machined from billet 6061 aluminum, Bolts onto the factory primary cover, Show Polished with engraved American Flag Logo11070613- 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
$265.95Specifically designed to provide fade and slip-free operation, Also provides superior gear shifting and extended life, Each kit includes friction plates and steel drive plates; springs sold separately11313490- 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
$61.31Zinc-plated 51-tooth rear sprocket, Includes necessary rivets12100777- 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:
