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 3/4" Offset Spacer Insert for Harley-Davidson 1996-2006 FLHTCI Electra Glide Classic IN-750
BELT DRIVES LTD.
MSRP: $103.95Now: $93.56Was: $103.95This high-quality offset spacer is designed to ensure optimal alignment of your motor pulleys, enhancing the efficiency of your belt drive system. Manufactured in the U.S.A., it includes a durable motor sprocket nut and mounting screws for easy...DS360426- SKU:
- DS360426
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- PRODUCT NAME:
- SPACER INSERT
- RIDING STYLE:
- STREET
- TYPE:
- PULLEY
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
MSRP: $103.95Now: $93.56Was: $103.95 -
On Sale
Belt Drives Ltd. 1" Offset Spacer with Screws and Nut for Harley-Davidson 1985-2006 FLHRS Road King Custom IN-1000
BELT DRIVES LTD.
MSRP: $103.95Now: $93.56Was: $103.95This high-quality offset spacer is designed to ensure precise alignment of your motor pulley, enhancing the efficiency of your belt drive system. Manufactured in the USA, it includes all necessary components for easy installation, making it an essential...DS360427- SKU:
- DS360427
- Availability:
- Ships Same Business Day
- Weight:
- 1.42 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 Offset Spacer 1-1/4" for Harley-Davidson FLH 1985-2006 IN-1250
BELT DRIVES LTD.
MSRP: $103.95Now: $93.56Was: $103.95Enhance your motor pulley alignment with the BELT DRIVES LTD. Offset Spacer. Designed for precision and ease of use, this component ensures optimal performance by allowing for effective adjustments. Manufactured in the U.S.A., it comes complete with a...DS360428- SKU:
- DS360428
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- SPACER INSERT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- PULLEY
MSRP: $103.95Now: $93.56Was: $103.95 -
On Sale
Belt Drives Ltd 130 Tooth 8mm x 41mm Primary Drive Belt BDL-130K
BELT DRIVES LTD.
MSRP: $155.95Now: $140.36Was: $155.95Upgrade your BDL primary drive system with the BDL-130K Replacement Belt, designed for optimal performance and durability. This high-quality belt ensures smooth operation and longevity, making it an essential component for your drive setup. Experience...DS360430- SKU:
- DS360430
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 130
- UNITS:
- EACH
- STYLE:
- RIBBED
- PRODUCT NAME:
- DRIVE BELT
- TYPE:
- PRIMARY
- WIDTH IMPERIAL:
- 1-5/8'
MSRP: $155.95Now: $140.36Was: $155.95 -
On Sale
Belt Drives Ltd 8mm Primary Drive Belt 138 Teeth for 1970-1983 Harley-Davidson Touring BDL-138-38K
BELT DRIVES LTD.
MSRP: $150.95Now: $135.86Was: $150.95The BDL-138-38K Replacement Belt from Belt Drives Ltd. is engineered for optimal performance in BDL primary drives. Designed for durability and precision, this belt ensures smooth operation and enhances the longevity of your drive system. ...23021252- SKU:
- 23021252
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- DRIVE BELT
- WIDTH IMPERIAL:
- 1-1/2'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- STYLE:
- RIBBED
- TOOTH COUNT:
- 138
- TYPE:
- PRIMARY
MSRP: $150.95Now: $135.86Was: $150.95 -
On Sale
Belt Drives Ltd 3" 8mm Belt Drive with Clutch for 1965-1984 Harley-Davidson Shovelhead FLH Electra Glide EV-76-47S
BELT DRIVES LTD.
MSRP: $1,175.95Now: $1,058.36Was: $1,175.95Transform your ride with the BELT DRIVES LTD. 3"/8mm Belt Drive featuring a clutch system designed for performance and durability. This kit provides a seamless installation with all necessary components, ensuring a smooth and efficient power transfer...23021263- SKU:
- 23021263
- Availability:
- Ships Same Business Day
- Weight:
- 18.50 LBS
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- MATERIAL:
- STEEL
- WIDTH IMPERIAL:
- 3'
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- PRODUCT NAME:
- BELT DRIVE KIT
- RIDING STYLE:
- STREET
MSRP: $1,175.95Now: $1,058.36Was: $1,175.95 -
On Sale
Belt Drives Ltd 11mm Belt Drive Kit for Harley-Davidson FLH Electra Glide 1979-1983 47-31SE-RB
BELT DRIVES LTD.
MSRP: $693.95Now: $624.56Was: $693.95Upgrade your ride with our premium 11mm Belt Drive designed specifically for 79-E84 models. Crafted from durable hard anodized aluminum, this belt drive ensures longevity and optimal performance. Please note that the inner clutch hub and plates are sold...23025001- SKU:
- 23025001
- Availability:
- Ships Same Business Day
- Weight:
- 11.40 LBS
- UNITS:
- KIT
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- ANODIZED
- PRODUCT NAME:
- BELT DRIVE KIT
- WIDTH IMPERIAL:
- 1-1/2'
MSRP: $693.95Now: $624.56Was: $693.95 -
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: $56.95 -
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:
- 2.30 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 Starter Housing for 1990-2006 Harley Davidson Softail TFSH-100
BELT DRIVES LTD.
MSRP: $121.95Now: $109.76Was: $121.95Enhance your BDL Belt Drive clutches with the premium Starter Housing designed specifically for the Top Fuel TFSH-100. This robust housing ensures optimal performance and reliability, making it an essential component for serious racers and enthusiasts...11200047- SKU:
- 11200047
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- HOUSING
MSRP: $121.95Now: $109.76Was: $121.95Qty in Cart: 0Quantity:Price:MSRP: $121.95Now: $109.76Was: $121.95Subtotal: -
On Sale
Belt Drives Ltd 9T Starter Pinion Gear for 1996-2006 Harley Davidson FLHR Road King PG-100A
BELT DRIVES LTD.
MSRP: $156.95Now: $141.26Was: $156.95Enhance your BDL Belt Drive clutches with the precision-engineered Pinion Gear +1" PG-100A. Designed for optimal performance and durability, this gear ensures smooth operation and efficient power transfer. Upgrade your system for improved reliability and...11200057- SKU:
- 11200057
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- LENGTH METRIC:
- 115.8 MM
- PRODUCT NAME:
- PINION GEAR
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 9
- UNITS:
- KIT
- LENGTH IMPERIAL:
- 4-9/16'
- LENGTH:
- 115,8 MM (4-9/16')
MSRP: $156.95Now: $141.26Was: $156.95Qty in Cart: 0Quantity:Price:MSRP: $156.95Now: $141.26Was: $156.95Subtotal: -
On Sale
Belt Drives Ltd 2" SS Belt Drive Without Cover 1990-2006 Harley-Davidson Softail SS-2
BELT DRIVES LTD.
MSRP: $2,411.95Now: $2,170.76Was: $2,411.95Experience unmatched performance and sleek design with our 2" Stainless Steel Belt Drive. Engineered with a robust one-piece billet motor plate, this belt drive ensures reliability and efficiency, making it the perfect addition to your ride. ...11200082- SKU:
- 11200082
- Availability:
- Ships Same Business Day
- Weight:
- 36.20 LBS
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BELT DRIVE KIT
- UNITS:
- EACH
- WIDTH IMPERIAL:
- 2'
MSRP: $2,411.95Now: $2,170.76Was: $2,411.95Qty in Cart: 0Quantity:Price:MSRP: $2,411.95Now: $2,170.76Was: $2,411.95Subtotal: -
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 Primary Chain Drive Kit with Ball-Bearing Lockup Clutch for 1990-2006 Harley-Davidson Softail and Dyna Models CDBCS-1-90
BELT DRIVES LTD.
MSRP: $1,344.95Now: $1,210.46Was: $1,344.95Upgrade your ride with the BDL Primary Drive Kit, designed for optimal performance and ease of use. Featuring a state-of-the-art ball-bearing lockup clutch, this kit enhances power transfer while significantly reducing clutch effort. Enjoy a smoother and...11200179- SKU:
- 11200179
- Availability:
- Ships Same Business Day
- Weight:
- 23.35 LBS
- RIDING STYLE:
- STREET
- FEATURES:
- INCLUDES COMPENSATOR
- UNITS:
- KIT
- TOOTH COUNT:
- 25
- PRODUCT NAME:
- PRIMARY CHAIN DRIVE KIT
MSRP: $1,344.95Now: $1,210.46Was: $1,344.95Qty in Cart: 0Quantity:Price:MSRP: $1,344.95Now: $1,210.46Was: $1,344.95Subtotal: -
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
