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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On Sale
Belt Drives Ltd Front Pulley 40T 8mm for 1955-1983 Harley-Davidson Touring and 1971-1983 FXR 40SI
BELT DRIVES LTD.
MSRP: $181.95Now: $163.76Was: $181.95Experience superior performance with the BELT DRIVES LTD. Front Pulley 40SI, designed for durability and precision. Crafted from high-quality billet material, this pulley ensures optimal functionality and longevity. With its hard anodized finish and...11200425- SKU:
- 11200425
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 40
- PRODUCT NAME:
- FRONT PULLEY
- UNITS:
- EACH
MSRP: $181.95Now: $163.76Was: $181.95 -
On Sale
Belt Drives Ltd 41T Front Pulley for 1971-1983 Harley-Davidson FXR 1955-1983 Touring 41SI
BELT DRIVES LTD.
MSRP: $181.95Now: $163.76Was: $181.95Introducing the Belt Drives Ltd. Front Pulley 41SI, engineered for durability and performance. Crafted from premium billet materials, this pulley ensures a secure fit and long-lasting operation. With its hard anodized finish, it combines strength with a...11200429- SKU:
- 11200429
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- PRODUCT NAME:
- FRONT PULLEY
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 41
MSRP: $181.95Now: $163.76Was: $181.95 -
On Sale
Belt Drives Ltd Front Pulley 31 Tooth 11mm for 1971-1983 Harley-Davidson FXR 31SI
BELT DRIVES LTD.
MSRP: $181.95Now: $163.76Was: $181.95Experience superior performance with the BELT DRIVES LTD. Front Pulley 31SI, engineered from robust billet materials for exceptional durability. This pulley is designed for seamless installation and enhanced functionality, making it an ideal choice for...11200433- SKU:
- 11200433
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- TOOTH COUNT:
- 31
- PRODUCT NAME:
- FRONT PULLEY
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $181.95Now: $163.76Was: $181.95 -
On Sale
Belt Drives Ltd 2" Open Belt Drive Kit for 2018-2020 Harley-Davidson Softail Models M18S-B
BELT DRIVES LTD.
MSRP: $3,860.95Now: $3,474.86Was: $3,860.95Experience enhanced performance and style with the BELT DRIVES LTD. 2" Drive Belt. Designed for high-horsepower motors, this belt drive system combines innovative engineering with a sleek appearance, ensuring optimal functionality and aesthetic appeal. ...11200434- SKU:
- 11200434
- Availability:
- Ships Same Business Day
- Weight:
- 37.60 LBS
- PRODUCT NAME:
- DRIVE BELT
- SIZE IMPERIAL:
- 2'
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
MSRP: $3,860.95Now: $3,474.86Was: $3,860.95 -
On Sale
Belt Drives Ltd Diaphragm Spring Plate 3/8" Bearings 16 Harley-Davidson 11300437
BELT DRIVES LTD.
MSRP: $332.95Now: $299.66Was: $332.95Enhance your vehicle's performance with our premium diaphragm spring plate designed for high horsepower applications. This kit features a robust diaphragm spring and specially engineered carbide ball bearings to deliver superior clutch engagement,...11300437- SKU:
- 11300437
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- RIDING STYLE:
- STREET
- TYPE:
- BALL BEARING
MSRP: $332.95Now: $299.66Was: $332.95 -
On Sale
Belt Drives Ltd Competitor Clutch Kit 2007-2020 Harley-Davidson FLHX Street Glide CC-132-BB
BELT DRIVES LTD.
MSRP: $734.95Now: $661.46Was: $734.95Elevate your ride with the CC-132-BB Clutch from BELT DRIVES LTD., designed for those who demand both style and performance. Featuring a sleek polished pressure plate, this clutch not only enhances the aesthetics of your open belt drive but also delivers...11300255- SKU:
- 11300255
- Availability:
- Ships Same Business Day
- Weight:
- 7.80 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- MATERIAL:
- KEVLAR
- MODEL:
- COMPETITOR
- RIDING STYLE:
- STREET
MSRP: $734.95Now: $661.46Was: $734.95 -
On Sale
Belt Drives Ltd Competitor Clutch Kit for 1991-2020 Harley Sportster XL CC-140-BB
BELT DRIVES LTD.
MSRP: $674.95Now: $607.46Was: $674.95Elevate your ride with the Clutch CC-140-BB, featuring a stunning polished pressure plate designed for open belt drives. This high-performance clutch comes with a race-tested aramid clutch pack, ensuring durability and reliability on the track. Proudly...11300222- SKU:
- 11300222
- Availability:
- Ships Same Business Day
- Weight:
- 4.90 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- MATERIAL:
- KEVLAR
- MODEL:
- COMPETITOR
- RIDING STYLE:
- STREET
MSRP: $674.95Now: $607.46Was: $674.95 -
On Sale
Belt Drives Ltd Clutch Kit Extra Plate 1941-1984 Harley-Davidson BTX-5E
BELT DRIVES LTD.
MSRP: $228.95Now: $206.06Was: $228.95Enhance your vehicle's performance with the BELT DRIVES LTD. Clutch Kit Extra Plate BTX-5E. This kit features wider clutch plates designed for superior engagement and holding power, ensuring a smoother ride. Crafted in the U.S.A., it comes with pre-set...11311802- SKU:
- 11311802
- Availability:
- Ships Same Business Day
- Weight:
- 6.10 LBS
- DRIVE PLATE MATERIAL:
- STEEL
- FRICTION PLATE MATERIAL:
- KEVLAR
- PRODUCT NAME:
- DRIVE PLATE (STEEL PLATE)
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH
- UNITS:
- 10 PIECE KIT
- FRICTION PLATE MATERIAL:
- 6061 T-6 ALUMINUM
MSRP: $228.95Now: $206.06Was: $228.95 -
On Sale
Belt Drives Ltd Steel Clutch Plate 0.120in for Harley-Davidson 2007-2020 CC-130-BP
BELT DRIVES LTD.
MSRP: $13.95Now: $12.56Was: $13.95Upgrade your vehicle's clutch system with our Steel Clutch Plate, designed for superior performance and durability. With 60% more surface area than standard plates, it ensures robust and reliable clutch engagement, enhancing your driving experience...11310861- SKU:
- 11310861
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- TYPE:
- CLUTCH
- UNITS:
- EACH
- DRIVE PLATE MATERIAL:
- STEEL
- MODEL:
- COMPETITOR
- PRODUCT NAME:
- DRIVE PLATE (STEEL PLATE)
- RIDING STYLE:
- STREET
MSRP: $13.95Now: $12.56Was: $13.95 -
On Sale
Belt Drives Ltd Competitor Clutch Friction Plates 1998-2006 Big Twin CC-130-CP
BELT DRIVES LTD.
MSRP: $130.95Now: $117.86Was: $130.95Enhance your vehicle's performance with the BELT DRIVES LTD. Clutch Friction Plates CC-130-CP. Designed for superior clutch engagement, these plates offer 60% more surface area than standard options, ensuring a robust and reliable connection. Proudly...11310862- SKU:
- 11310862
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- TYPE:
- CLUTCH
- UNITS:
- SET OF 7
- FRICTION PLATE MATERIAL:
- KEVLAR
- PRODUCT NAME:
- FRICTION PLATE SET
- MODEL:
- COMPETITOR
- RIDING STYLE:
- STREET
MSRP: $130.95Now: $117.86Was: $130.95 -
On Sale
Belt Drives Ltd. Offset Spacer with Screws and Nut 0" IN-STD 11320173
BELT DRIVES LTD.
MSRP: $103.95Now: $93.56Was: $103.95This high-quality offset spacer is designed to ensure perfect alignment of your motor pulley, enhancing the performance of your belt drive system. Manufactured in the U.S.A., this product includes essential mounting hardware for easy installation and...11320173- SKU:
- 11320173
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- UNITS:
- EACH
- TYPE:
- PULLEY
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- SPACER INSERT
- RIDING STYLE:
- STREET
MSRP: $103.95Now: $93.56Was: $103.95 -
On Sale
Belt Drives Ltd Clutch Kit Brute III 2007-2013 Harley-Davidson Touring BDLPCP-0001
BELT DRIVES LTD.
MSRP: $247.95Now: $223.16Was: $247.95Upgrade your motorcycle's performance with the BELT DRIVES LTD. Clutch Kit Brute III. This complete replacement kit is designed specifically for Primo Rivera belt drives, ensuring a perfect fit and optimal functionality. With all necessary friction...11313169- SKU:
- 11313169
- Availability:
- Ships Same Business Day
- Weight:
- 3.65 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
MSRP: $247.95Now: $223.16Was: $247.95 -
On Sale
Belt Drives Ltd Clutch Plate Kit 1936-1984 Harley-Davidson BDLPCP-0041
BELT DRIVES LTD.
MSRP: $247.95Now: $223.16Was: $247.95Upgrade your vehicle's performance with the BELT DRIVES LTD. Clutch Kit BDLPCP-0041. This complete replacement kit includes all necessary friction plates, drive plates, and backing plates to ensure a smooth and reliable clutch operation. Designed for...11313177- SKU:
- 11313177
- Availability:
- Ships Same Business Day
- Weight:
- 5.30 LBS
- RIDING STYLE:
- STREET
- TYPE:
- PRO CLUTCH
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH PLATE
MSRP: $247.95Now: $223.16Was: $247.95 -
On Sale
Belt Drives Ltd Clutch Plate Kit 1990-2017 Softail Dyna Touring BDLPCP-0050
BELT DRIVES LTD.
MSRP: $247.95Now: $223.16Was: $247.95Experience seamless performance with the BELT DRIVES LTD. Clutch Kit BDLPCP-0050, designed for optimal durability and efficiency. This complete replacement kit includes all necessary friction plates, drive plates, and backing plates, ensuring a smooth...11313178- SKU:
- 11313178
- Availability:
- Ships Same Business Day
- Weight:
- 3.15 LBS
- RIDING STYLE:
- STREET
- TYPE:
- BRUTE IV EXTREME
- PRODUCT NAME:
- CLUTCH PLATE
- STYLE:
- NEW STYLE HUB
- TYPE:
- BRUTE III EXTREME
- UNITS:
- KIT
MSRP: $247.95Now: $223.16Was: $247.95 -
On Sale
Belt Drives Ltd Steel Clutch Plates for 1970-1983 Harley-Davidson Models CC-100-CS
BELT DRIVES LTD.
MSRP: $66.95Now: $60.26Was: $66.95Upgrade your clutch performance with the BELT DRIVES LTD. Steel Plates CC-100-CS. Designed specifically for durability and efficiency, these replacement plates are crafted in the U.S.A. to ensure top-notch quality. Enhance your ride with...11313029- SKU:
- 11313029
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- PRODUCT NAME:
- DRIVE PLATE SET (STEEL PLATE SET)
- RIDING STYLE:
- STREET
- DRIVE PLATE MATERIAL:
- STEEL
- UNITS:
- SET OF 7
- TYPE:
- CLUTCH
MSRP: $66.95Now: $60.26Was: $66.95 -
On Sale
Belt Drives Ltd. 2" Offset Spacer Insert for Harley-Davidson 1990-2006 FX/FL IN-2000
BELT DRIVES LTD.
MSRP: $103.95Now: $93.56Was: $103.95This high-quality offset spacer is designed to ensure optimal alignment of your motor pulley, enhancing the efficiency of your belt drive system. Manufactured in the U.S.A., it comes complete with a motor sprocket nut and mounting screws, making...78061251- SKU:
- 78061251
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- TYPE:
- PULLEY
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- SPACER INSERT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $103.95Now: $93.56Was: $103.95 -
On Sale
Belt Drives Ltd Inner Primary Spacer for Harley-Davidson 1984-2006 PS-500
BELT DRIVES LTD.
MSRP: $66.95Now: $60.26Was: $66.95Enhance your motorcycle's performance with the BELT DRIVES LTD. Inner Primary Spacer PS-500, designed specifically for fat tire and wide frame applications. Crafted with precision in the U.S.A., this polished spacer ensures a perfect fit between the...22145002- SKU:
- 22145002
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- POLISHED
- PRODUCT NAME:
- SPACER
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- TYPE:
- INNER PRIMARY
- WIDTH IMPERIAL:
- 1/2'
MSRP: $66.95Now: $60.26Was: $66.95Qty in Cart: 0Quantity:Price:MSRP: $66.95Now: $60.26Was: $66.95Subtotal: -
On Sale
Belt Drives Ltd Inner Primary Spacer for Harley-Davidson Softail 1986-2006 PS-1000
BELT DRIVES LTD.
MSRP: $98.95Now: $89.06Was: $98.95Enhance your motorcycle's performance with the Inner Primary Spacer PS-1000. Designed specifically for fat tire and wide frame applications, this spacer ensures a perfect fit between the inner primary and motor. Crafted with precision and a polished...22145004- SKU:
- 22145004
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COLOR/FINISH:
- POLISHED
- WIDTH IMPERIAL:
- 1'
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SPACER
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- INNER PRIMARY
MSRP: $98.95Now: $89.06Was: $98.95 -
On Sale
Belt Drives Ltd 1-1/4" Inner Primary Spacer for 1984-2006 Harley-Davidson Models PS-1250
BELT DRIVES LTD.
MSRP: $137.95Now: $131.36Was: $137.95Enhance your motorcycle's performance with the BELT DRIVES LTD. Inner Primary Spacer PS-1250. Specifically designed for fat tire and wide frame applications, this high-quality spacer ensures a perfect fit between the inner primary and motor, providing...22145005- SKU:
- 22145005
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- COLOR/FINISH:
- POLISHED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SPACER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- WIDTH IMPERIAL:
- 1-1/4'
- TYPE:
- INNER PRIMARY
MSRP: $137.95Now: $131.36Was: $137.95Qty in Cart: 0Quantity:Price:MSRP: $137.95Now: $131.36Was: $137.95Subtotal: -
On Sale
Belt Drives Ltd Inner Primary Spacer for Harley-Davidson Softail 2001-2006 PS-1500
BELT DRIVES LTD.
MSRP: $154.95Now: $147.56Was: $154.95Enhance your motorcycle's performance with the BELT DRIVES LTD. Inner Primary Spacer PS-1500, designed specifically for fat tire and wide frame applications. This high-quality spacer ensures a perfect fit between the inner primary and motor, providing...22145006- SKU:
- 22145006
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- TYPE:
- INNER PRIMARY
- WIDTH IMPERIAL:
- 1-1/2'
- COLOR/FINISH:
- POLISHED
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- SPACER
MSRP: $154.95Now: $147.56Was: $154.95Qty in Cart: 0Quantity:Price:MSRP: $154.95Now: $147.56Was: $154.95Subtotal:
