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
Belt Drives Ltd Inner Primary Spacer for Harley-Davidson Softail 1986-2006 PS-250
BELT DRIVES LTD.
MSRP: $56.95Now: $51.26Was: $56.95This Inner Primary Spacer is expertly designed to fit seamlessly between the inner primary and motor, making it ideal for fat tire and wide frame applications. Crafted with precision in the U.S.A., its polished finish not only enhances durability but...22145001- SKU:
- 22145001
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- SPACER
- UNITS:
- EACH
- COLOR/FINISH:
- POLISHED
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- TYPE:
- INNER PRIMARY
- WIDTH IMPERIAL:
- 1/4'
MSRP: $56.95Now: $51.26Was: $56.95Qty in Cart: 0Quantity:Price:MSRP: $56.95Now: $51.26Was: $56.95Subtotal: -
On Sale
Belt Drives Ltd Inner Primary Spacer for Harley Davidson FLH Electra Glide 1985 PS-750
BELT DRIVES LTD.
MSRP: $79.95Now: $71.96Was: $79.95Enhance your motorcycle's performance with the BELT DRIVES LTD. Inner Primary Spacer PS-750, designed specifically for fat tire and wide frame applications. Crafted with precision and a polished finish, this spacer ensures a perfect fit between the inner...22145003- SKU:
- 22145003
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- COLOR/FINISH:
- POLISHED
- UNITS:
- EACH
- PRODUCT NAME:
- SPACER
- WIDTH IMPERIAL:
- 3/4'
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- TYPE:
- INNER PRIMARY
MSRP: $79.95Now: $71.96Was: $79.95 -
On Sale
Belt Drives Ltd Rear Drive Belt 125-Tooth 1 1/2" Harley-Davidson 1996-2003 PCCB-125
BELT DRIVES LTD.
MSRP: $357.95Now: $322.16Was: $357.95Experience exceptional performance with our high-torque polyurethane synchronous rear drive belt. Designed to meet the demands of wide tire applications and conversions, this belt features aramid tensile cords and a unique top ribbing that mirrors OEM...12040115- SKU:
- 12040115
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 125
- WIDTH IMPERIAL:
- 1-1/2'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- X7N CARBON
MSRP: $357.95Now: $322.16Was: $357.95 -
On Sale
Belt Drives Ltd Clutch Basket for Top Fuel 1990-2006 Softail TFRP-46
BELT DRIVES LTD.
MSRP: $941.95Now: $847.76Was: $941.95Experience unparalleled performance with the BELT DRIVES LTD. Clutch Basket Top Fuel TFRP-46. Expertly crafted from high-grade aluminum and finished with a durable hard anodized coating, this clutch basket is designed to withstand the rigors of...11200042- SKU:
- 11200042
- Availability:
- Ships Same Business Day
- Weight:
- 9.90 LBS
- NUMBER OF TEETH:
- 46
- PRODUCT NAME:
- CLUTCH BASKET
- COLOR/FINISH:
- ANODIZED
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $941.95Now: $847.76Was: $941.95 -
On Sale
Belt Drives Ltd Rear Pulley Cover for Softail 1990-2006 TFRPC-2000
BELT DRIVES LTD.
MSRP: $137.95Now: $124.16Was: $137.95The TFRPC-2000 Rear Pulley Cover from Belt Drives Ltd. is designed specifically for BDL Belt Drive clutches, ensuring optimal performance and durability. This high-quality cover not only enhances the aesthetic appeal of your motorcycle but also provides...11200044- SKU:
- 11200044
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- PRODUCT NAME:
- REAR PULLEY COVER
- UNITS:
- EACH
- RIDING STYLE:
- STREET
MSRP: $137.95Now: $124.16Was: $137.95 -
On Sale
Belt Drives Ltd 140 Tooth 2 Inch Wide Primary Drive Belt for Harley-Davidson Touring 2009-2016 BDL-140-2
BELT DRIVES LTD.
MSRP: $173.95Now: $156.56Was: $173.95The BDL-140-2 Replacement Belt from Belt Drives Ltd. is engineered for optimal performance and durability in BDL primary drive systems. This high-quality belt ensures smooth operation and reliable power transmission, making it an essential component for...11200095- SKU:
- 11200095
- Availability:
- Ships Same Business Day
- Weight:
- 0.67 LBS
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 2'
- STYLE:
- RIBBED
- UNITS:
- EACH
- PRODUCT NAME:
- DRIVE BELT
- TOOTH COUNT:
- 140
- TYPE:
- PRIMARY
MSRP: $173.95Now: $156.56Was: $173.95 -
On Sale
Belt Drives Ltd Shoulder Bolts 3/8 x 3/4 for 2004 Harley-Davidson Heritage Softail 1120-0101
BELT DRIVES LTD.
MSRP: $22.95Now: $20.66Was: $22.95Enhance the performance of your BDL Belt Drive clutches with our premium Shoulder Bolts. Crafted from high-quality stainless steel, these bolts provide exceptional strength and durability, ensuring reliable operation under various conditions. ...11200101- SKU:
- 11200101
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- DIAMETER:
- 9,5 MM (3/8')
- LENGTH IMPERIAL:
- 3/4'
- PRODUCT NAME:
- SHOULDER BOLT
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH
- LENGTH:
- 19,1 MM (3/4')
- UNITS:
- 4 PACK
MSRP: $22.95Now: $20.66Was: $22.95 -
On Sale
Belt Drives Ltd. Monster Top Fuel Belt Drive Kit for Harley-Davidson Softail 1990-2006 TF-2000
BELT DRIVES LTD.
MSRP: $3,839.95Now: $3,455.96Was: $3,839.95The Monster Belt Drive TF-2000 combines cutting-edge engineering with robust design, making it the ideal choice for high-performance motorcycles. This complete kit is engineered to enhance your ride's efficiency and power delivery while offering...11200173- SKU:
- 11200173
- Availability:
- Ships Same Business Day
- Weight:
- 51.60 LBS
- MATERIAL:
- STEEL
- UNITS:
- KIT
- MODEL:
- MONSTER
- PRODUCT NAME:
- BELT DRIVE KIT
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
MSRP: $3,839.95Now: $3,455.96Was: $3,839.95 -
On Sale
Belt Drives Ltd 2" Belt Drive Kit for Harley Softail 1990-2006 Black EV-700B
BELT DRIVES LTD.
MSRP: $3,884.95Now: $3,496.46Was: $3,884.95Elevate your ride with the BELT DRIVES LTD. 2" Drive Belt, designed for both performance and style. This premium drive kit features an all-billet construction and a distinctive top guard, ensuring durability and aesthetic appeal. With versatile dome...11200320- SKU:
- 11200320
- Availability:
- Ships Same Business Day
- Weight:
- 18.10 LBS
- TOOTH COUNT:
- 142
- MATERIAL:
- BILLET ALUMINUM
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BELT DRIVE KIT
- WIDTH IMPERIAL:
- 2'
MSRP: $3,884.95Now: $3,496.46Was: $3,884.95 -
On Sale
Belt Drives Ltd Clutch Adjuster Screw with Jam Nut for 1990-Up Models CDAS-100A
BELT DRIVES LTD.
MSRP: $29.95Now: $26.96Was: $29.95Enhance your clutch performance with the BELT DRIVES LTD. Clutch Adjuster Screw. Designed for precision and durability, this component ensures optimal adjustment and reliability in your drive system. Each unit includes a hex jam nut and O-rings for a...11200321- SKU:
- 11200321
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- ADJUSTING SCREW
- TYPE:
- CLUTCH
MSRP: $29.95Now: $26.96Was: $29.95 -
On Sale
Belt Drives Ltd Motor Plate Bearing for 1990-2006 Harley-Davidson Softail FXST MPB-9
BELT DRIVES LTD.
MSRP: $88.95Now: $80.06Was: $88.95The Motor Plate Bearing MPB-9 is designed specifically for BDL Belt Drive clutches, ensuring optimal performance and longevity. This high-quality bearing provides smooth operation and reliability, making it an essential component for your belt drive...11200322- SKU:
- 11200322
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $88.95Now: $80.06Was: $88.95 -
On Sale
Belt Drives Ltd 2" Open Belt Drive Kit for 2007-2015 Harley-Davidson Touring TC2PB-2-B
BELT DRIVES LTD.
MSRP: $3,590.95Now: $3,231.86Was: $3,590.95Experience superior performance with the BELT DRIVES LTD. 2" Drive Belt, designed for high-horsepower motors. Its innovative two-piece motor plate and precision-engineered pulleys ensure optimal power transfer and a sleek aesthetic for your ride. ...11200355- SKU:
- 11200355
- Availability:
- Ships Same Business Day
- Weight:
- 37.30 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- SIZE IMPERIAL:
- 2'
- TOOTH COUNT:
- 69
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- BELT DRIVE KIT
- WIDTH IMPERIAL:
- 2'
MSRP: $3,590.95Now: $3,231.86Was: $3,590.95 -
On Sale
Belt Drives Ltd 2" Open Belt Drive Kit Chrome 2007-2013 Harley-Davidson Street Glide FLHX TC2PB-2-C
BELT DRIVES LTD.
MSRP: $3,829.95Now: $3,446.96Was: $3,829.95Experience unparalleled performance with the Belt Drives Ltd. 2" Drive Belt, designed specifically for high-horsepower applications. This innovative system features a two-piece motor plate and a unique pulley configuration, ensuring optimal engagement...11200356- SKU:
- 11200356
- Availability:
- Ships Same Business Day
- Weight:
- 39.10 LBS
- UNITS:
- KIT
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- BELT DRIVE KIT
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 2'
- COLOR/FINISH:
- CHROME
- COLOR/FINISH:
- POLISHED
- TOOTH COUNT:
- 69
- SIZE IMPERIAL:
- 2'
MSRP: $3,829.95Now: $3,446.96Was: $3,829.95 -
On Sale
Belt Drives Ltd 2" Open Belt Drive Kit Black 2014-2016 Harley-Davidson FLHTCU TC2PBH-2-B
BELT DRIVES LTD.
MSRP: $3,607.95Now: $3,247.16Was: $3,607.95Experience superior performance with the BELT DRIVES LTD. 2" Drive Belt, designed for optimal efficiency and style. This advanced drive belt system features a unique two-piece motor plate and a specific pulley combination, ensuring a precise 1.32:1 final...11200357- SKU:
- 11200357
- Availability:
- Ships Same Business Day
- Weight:
- 36.98 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- SIZE IMPERIAL:
- 2'
- TOOTH COUNT:
- 69
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- BELT DRIVE KIT
- WIDTH IMPERIAL:
- 2'
MSRP: $3,607.95Now: $3,247.16Was: $3,607.95 -
On Sale
Belt Drives Ltd 2in Open Belt Drive Kit Black 2007-2017 Harley-Davidson Softail TC2PS-2-B
BELT DRIVES LTD.
MSRP: $3,644.95Now: $3,280.46Was: $3,644.95Experience superior performance with the BELT DRIVES LTD. 2" Drive Belt. Designed for high horsepower motors, this belt system features a precision-engineered two-piece motor plate and a unique pulley combination that ensures optimal drive efficiency...11200359- SKU:
- 11200359
- Availability:
- Ships Same Business Day
- Weight:
- 16.35 LBS
- UNITS:
- KIT
- SIZE IMPERIAL:
- 2'
- TOOTH COUNT:
- 69
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- BELT DRIVE KIT
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 2'
MSRP: $3,644.95Now: $3,280.46Was: $3,644.95 -
On Sale
Belt Drives Ltd 2" Open Belt Drive Kit for 2017-2020 Harley-Davidson Touring Models EVO-16BH-2C
BELT DRIVES LTD.
MSRP: $4,186.95Now: $3,768.26Was: $4,186.95Experience unparalleled performance with the Belt Drive EVO-16BH-2C, designed for enthusiasts seeking a powerful and reliable open belt drive system. This kit features a robust one-piece motor plate and a unique belt profile, ensuring optimal...11200400- SKU:
- 11200400
- Availability:
- Ships Same Business Day
- Weight:
- 42.03 LBS
- COLOR/FINISH:
- CHROME
- SIZE IMPERIAL:
- 2'
- PRODUCT NAME:
- BELT DRIVE KIT
- TOOTH COUNT:
- 52
- TOOTH COUNT:
- 69
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- TYPE:
- PRIMARY BELT DRIVE
- UNITS:
- KIT
MSRP: $4,186.95Now: $3,768.26Was: $4,186.95Qty in Cart: 0Quantity:Price:MSRP: $4,186.95Now: $3,768.26Was: $4,186.95Subtotal: -
On Sale
Belt Drives Ltd 1-1/2" Belt Drive 4-Speed 1970-1983 Shovelhead EVBB-3T-4
BELT DRIVES LTD.
MSRP: $1,116.95Now: $1,005.26Was: $1,116.95Experience superior performance with the Belt Drives Ltd. 1-1/2" Belt Drive 4-Speed EVBB-3T-4. This comprehensive kit is engineered for seamless installation and optimal functionality, making it an ideal choice for enhancing your ride. Crafted with...11200248- SKU:
- 11200248
- Availability:
- Ships Same Business Day
- Weight:
- 14.80 LBS
- MATERIAL:
- KEVLAR
- WIDTH IMPERIAL:
- 1-1/2'
- MATERIAL:
- STEEL
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- PRODUCT NAME:
- BELT DRIVE KIT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $1,116.95Now: $1,005.26Was: $1,116.95 -
On Sale
Belt Drives Ltd 1-5/8" Belt Drive for 1990-1993 Harley-Davidson FXR Super Glide II EVBB-1SL
BELT DRIVES LTD.
MSRP: $1,116.95Now: $1,005.26Was: $1,116.95Enhance your ride with the Belt Drives Ltd. 1-5/8" Belt Drive EVBB-1SL, designed for seamless performance and durability. This comprehensive kit includes everything you need for a direct bolt-in application, ensuring a smooth installation and reliable...11200249- SKU:
- 11200249
- Availability:
- Ships Same Business Day
- Weight:
- 16.45 LBS
- WIDTH IMPERIAL:
- 1-5/8'
- RIDING STYLE:
- STREET
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- PRODUCT NAME:
- BELT DRIVE KIT
- UNITS:
- EACH
- MATERIAL:
- KEVLAR
- MATERIAL:
- STEEL
MSRP: $1,116.95Now: $1,005.26Was: $1,116.95 -
On Sale
Belt Drives Ltd 1-5/8" Belt Drive 4-Speed 1980-1984 Harley-Davidson FXWG FXB FLH EVBB-3TRB
BELT DRIVES LTD.
MSRP: $1,116.95Now: $1,005.26Was: $1,116.95Upgrade your ride with the Belt Drives Ltd. EVBB-3TRB, designed for optimal performance and durability. This comprehensive belt drive kit features a precision-engineered system that ensures smooth operation and enhanced power delivery, making it perfect...11200250- SKU:
- 11200250
- Availability:
- Ships Same Business Day
- Weight:
- 15.75 LBS
- MATERIAL:
- KEVLAR
- PRODUCT NAME:
- BELT DRIVE KIT
- WIDTH IMPERIAL:
- 1-5/8'
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- STEEL
MSRP: $1,116.95Now: $1,005.26Was: $1,116.95 -
On Sale
Belt Drives Ltd 2" Open Belt Drive Kit Polished 2007-2009 FLT Models EVO-13B-2
BELT DRIVES LTD.
MSRP: $3,355.95Now: $3,020.36Was: $3,355.95Experience superior performance with the Belt Drives Ltd. 2" Drive Belt, designed specifically for optimal compatibility with your motorcycle. This polished belt not only enhances the aesthetic appeal of your ride but also ensures a reliable and smooth...11200233- SKU:
- 11200233
- Availability:
- Ships Same Business Day
- Weight:
- 34.70 LBS
- STYLE:
- RIBBED
- TOOTH COUNT:
- 132
- UNITS:
- KIT
- COLOR/FINISH:
- POLISHED
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BELT DRIVE KIT
- WIDTH IMPERIAL:
- 2'
MSRP: $3,355.95Now: $3,020.36Was: $3,355.95
