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 Rear Drive Belt 136 Tooth 1 1/2 Inch Harley Davidson 1991-2003 PCCB-136
BELT DRIVES LTD.
MSRP: $326.95Now: $294.26Was: $326.95A properly functioning rear drive belt is critical to maintaining consistent power delivery and preventing catastrophic drivetrain failure on your Harley. This Belt Drives Ltd unit combines proven Gates carbon X3N material with precision engineering to...12040131- SKU:
- 12040131
- Availability:
- Ships Same Business Day
- Weight:
- 2.36 LBS
- MATERIAL:
- X7N CARBON
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 136
- UNITS:
- EACH
- WIDTH IMPERIAL:
- 1-1/2'
- PRODUCT NAME:
- BELT
- TYPE:
- DRIVE
MSRP: $326.95Now: $294.26Was: $326.95 -
On Sale
Belt Drives Ltd Rear Drive Belt 139-Tooth 1-1/8" for Harley-Davidson Softail 1993 PCCB-139-118
BELT DRIVES LTD.
MSRP: $299.95Now: $269.96Was: $299.95If you're running a wide tire setup on your Softail or pushing higher horsepower through the drivetrain, your stock belt won't cut it. This 139-tooth rear drive belt combines high-torque polyurethane construction with aramid tensile reinforcement to...12040132- SKU:
- 12040132
- Availability:
- Ships Same Business Day
- Weight:
- 2.07 LBS
- MATERIAL:
- X7N CARBON
- PRODUCT NAME:
- BELT
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 139
- WIDTH IMPERIAL:
- 1-1/8'
MSRP: $299.95Now: $269.96Was: $299.95 -
On Sale
Belt Drives Ltd Rear Drive Belt 152 Tooth 1 Inch for Indian Chieftain 2014-2019 PCC-152-1
BELT DRIVES LTD.
MSRP: $324.95Now: $292.46Was: $324.95A worn or undersized rear belt will rob your Indian Chieftain of reliable power delivery and force premature component wear. BDL's 152-tooth belt delivers the precise fitment and material engineering your bike demands, keeping your final drive running...12040232- SKU:
- 12040232
- Availability:
- Ships Same Business Day
- Weight:
- 1.94 LBS
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 152
- WIDTH IMPERIAL:
- 1'
- TYPE:
- REAR DRIVE
- MATERIAL:
- X3N CARBON
- PRODUCT NAME:
- BELT
- UNITS:
- EACH
MSRP: $324.95Now: $292.46Was: $324.95 -
On Sale
Belt Drives Ltd Outboard Bearing for 3" Belt Drive Clutches TFBSB-100
BELT DRIVES LTD.
MSRP: $28.95Now: $26.06Was: $28.95If you're running a BDL Belt Drive clutch system, the outboard bearing is critical to maintaining smooth engagement and preventing premature wear under load. A worn or inadequate bearing introduces friction, noise, and can compromise the entire clutch...11200034- SKU:
- 11200034
- Availability:
- Ships Same Business Day
- Weight:
- 0.84 LBS
- PRODUCT NAME:
- OUTBOARD BEARING
- UNITS:
- PAIR
- RIDING STYLE:
- STREET
MSRP: $28.95Now: $26.06Was: $28.95 -
On Sale
Belt Drives Ltd 3" Primary Belt Cover 2025 Harley-Davidson Touring BDC-4C
BELT DRIVES LTD.
MSRP: $687.95Now: $619.16Was: $687.95If you're running a 3" Belt Drives Ltd. open belt drive system, a matching primary belt cover completes the factory-finished look while protecting your drivetrain components from road debris and weather exposure. The BDC-4C delivers the precision fitment...11200049- SKU:
- 11200049
- Availability:
- Ships Same Business Day
- Weight:
- 6.50 LBS
- MATERIAL:
- BILLET ALUMINUM
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- BELT DRIVE KIT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $687.95Now: $619.16Was: $687.95 -
On Sale
Belt Drives Ltd Clutch Basket 72 Tooth 3" Belt 72-3EX
BELT DRIVES LTD.
MSRP: $544.95Now: $490.46Was: $544.95A precision-engineered clutch basket is critical to maintaining consistent engagement and preventing slippage in high-demand belt drive systems. This Belt Drives Ltd unit delivers the tight tolerances and material durability required for reliable...11200051- SKU:
- 11200051
- Availability:
- Ships Same Business Day
- Weight:
- 7.40 LBS
- NUMBER OF TEETH:
- 72
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- CLUTCH BASKET
- COLOR/FINISH:
- ANODIZED
MSRP: $544.95Now: $490.46Was: $544.95 -
On Sale
Belt Drives Ltd Compensator Sprocket 34 Tooth for Harley-Davidson Softail 2007-2021 CS-34A
BELT DRIVES LTD.
MSRP: $302.95Now: $272.66Was: $302.95If you're running a Softail and tired of dealing with worn compensators that compromise drivetrain efficiency, the Belt Drives Ltd Compensator Sprocket delivers measurable improvements in torque management and reliability. This three-piece design...11200292- SKU:
- 11200292
- Availability:
- Ships Same Business Day
- Weight:
- 6.70 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- COMPENSATING
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 34
MSRP: $302.95Now: $272.66Was: $302.95 -
On Sale
Belt Drives Ltd 2007-2017 Softail Belt Drive Kit EVB-8SL
BELT DRIVES LTD.
MSRP: $1,360.95Now: $1,224.86Was: $1,360.95If you're running a '07-'17 Softail and want a primary drive system that balances reliability with genuine performance gains, a closed belt drive eliminates the maintenance headaches of chain systems while delivering smoother power transfer. Belt Drives...11200293- SKU:
- 11200293
- Availability:
- Ships Same Business Day
- Weight:
- 20.40 LBS
- PRODUCT NAME:
- BELT DRIVE KIT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- TOOTH COUNT:
- 142
- WIDTH IMPERIAL:
- 1-1/2'
MSRP: $1,360.95Now: $1,224.86Was: $1,360.95Qty in Cart: 0Quantity:Price:MSRP: $1,360.95Now: $1,224.86Was: $1,360.95Subtotal: -
On Sale
Belt Drives Ltd. 2.75" Chrome Drive Belt for 2007-Up Softail and 2006-Up Dyna EVO-8SC
BELT DRIVES LTD.
MSRP: $3,511.95Now: $3,160.76Was: $3,511.95A quality belt drive system is foundational to reliable power transmission and longevity in modern Harley-Davidson engines. The Belt Drives Ltd. EVO8SC delivers the durability and precision engineering needed to handle repeated high-demand riding without...11200294- SKU:
- 11200294
- Availability:
- Ships Same Business Day
- Weight:
- 42.47 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- BELT DRIVE KIT
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 142
- COLOR/FINISH:
- CHROME
- UNITS:
- KIT
- WIDTH IMPERIAL:
- 2-3/4'
MSRP: $3,511.95Now: $3,160.76Was: $3,511.95Qty in Cart: 0Quantity:Price:MSRP: $3,511.95Now: $3,160.76Was: $3,511.95Subtotal: -
On Sale
Belt Drives Ltd 2.75" Drive Belt Black Softail 2007-2017 Dyna 2006-2017 EVO-8SB
BELT DRIVES LTD.
MSRP: $3,087.95Now: $2,779.16Was: $3,087.95A quality primary drive system is foundational to reliable power transmission and smooth operation on your Harley. The BDL 2.75" Drive Belt delivers consistent engagement and reduced drivetrain wear through a precision ball-bearing lockup clutch, while...11200295- SKU:
- 11200295
- Availability:
- Ships Same Business Day
- Weight:
- 38.00 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- BELT DRIVE KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- WIDTH IMPERIAL:
- 2-3/4'
- COLOR/FINISH:
- BLACK ANODIZED
- TOOTH COUNT:
- 142
MSRP: $3,087.95Now: $2,779.16Was: $3,087.95 -
On Sale
Belt Drives Ltd 2" Open Belt Drive Kit for 2007-2017 Harley-Davidson Softail and Dyna Models EVO-8S-2C
BELT DRIVES LTD.
MSRP: $3,510.95Now: $3,159.86Was: $3,510.95The stock belt drive on your 2007-2017 Softail or Dyna is your weakest link—undersized, inefficient, and prone to slippage under load. Belt Drives Ltd's 2" Open Belt Drive Kit replaces that weak point with a precision-engineered system that delivers 60%...11200296- SKU:
- 11200296
- Availability:
- Ships Same Business Day
- Weight:
- 41.13 LBS
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 2'
- PRODUCT NAME:
- BELT DRIVE KIT
- COLOR/FINISH:
- CHROME
- COLOR/FINISH:
- POLISHED
- TOOTH COUNT:
- 142
- MATERIAL:
- KEVLAR
- STYLE:
- RIBBED
- UNITS:
- KIT
MSRP: $3,510.95Now: $3,159.86Was: $3,510.95Qty in Cart: 0Quantity:Price:MSRP: $3,510.95Now: $3,159.86Was: $3,510.95Subtotal: -
On Sale
Belt Drives Ltd 2" Open Belt Drive Kit for 2017-2019 Harley-Davidson Touring EV2PH-B17-B
BELT DRIVES LTD.
MSRP: $3,469.95Now: $3,122.96Was: $3,469.95If you're running a 2017-2019 Harley-Davidson Touring and want to maximize primary drive efficiency while commanding attention on the road, Belt Drives Ltd's 2" Open Belt Drive Kit delivers the precision engineering and visual impact you're after. The...11200397- SKU:
- 11200397
- Availability:
- Ships Same Business Day
- Weight:
- 36.72 LBS
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BELT DRIVE KIT
- TOOTH COUNT:
- 52
- TOOTH COUNT:
- 69
- WIDTH IMPERIAL:
- 2'
- SIZE IMPERIAL:
- 2'
MSRP: $3,469.95Now: $3,122.96Was: $3,469.95 -
On Sale
Belt Drives Ltd 142 Tooth 2 Inch Wide Primary Drive Belt for Harley-Davidson Softail and Dyna Models BDL-142-2
BELT DRIVES LTD.
MSRP: $185.95Now: $167.36Was: $185.95A worn or compromised primary drive belt directly impacts power delivery and throttle response on your Harley-Davidson Softail or Dyna. The BDL-142-2 replacement belt restores the crisp engagement and efficiency your bike demands, eliminating slippage...11200262- SKU:
- 11200262
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- DRIVE BELT
- WIDTH IMPERIAL:
- 2'
- STYLE:
- RIBBED
- TOOTH COUNT:
- 142
- TYPE:
- PRIMARY
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $185.95Now: $167.36Was: $185.95 -
On Sale
Belt Drives Ltd Replacement Belt for 2007-2012 Harley-Davidson Softail Models BDL-142-69
BELT DRIVES LTD.
MSRP: $189.95Now: $170.96Was: $189.95A worn or damaged primary belt compromises power delivery and reliability on your Softail—exactly what you can't afford when you're counting on consistent performance. The BDL-142-69 replacement belt restores optimal clutch engagement and ensures smooth...11200263- SKU:
- 11200263
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- DRIVE BELT
- TOOTH COUNT:
- 142
- STYLE:
- RIBBED
- TYPE:
- PRIMARY
- WIDTH IMPERIAL:
- 2-23/32'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $189.95Now: $170.96Was: $189.95 -
On Sale
Belt Drives Ltd Replacement Belt for 2007-2013 Harley-Davidson Road Glide BDL-132B-KG
BELT DRIVES LTD.
MSRP: $173.95Now: $156.56Was: $173.95Your BDL primary drive system demands a belt that can handle continuous torque transfer without compromise. The BDL-132B-KG replacement belt delivers precision engineering and high-strength construction to keep power flowing smoothly to the rear wheel...11200264- SKU:
- 11200264
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 2'
- TOOTH COUNT:
- 132
- UNITS:
- EACH
- PRODUCT NAME:
- DRIVE BELT
- TYPE:
- PRIMARY
- STYLE:
- RIBBED
MSRP: $173.95Now: $156.56Was: $173.95 -
On Sale
Belt Drives Ltd 3" Belt Drive for 1990-1993 Harley-Davidson FXR Models EVOB-11S-A
BELT DRIVES LTD.
MSRP: $2,871.95Now: $2,584.76Was: $2,871.95If you're running an FXR and want to eliminate the maintenance headaches of chain drive while gaining reliable torque transfer, a quality belt drive system is the upgrade your bike deserves. The Belt Drives Ltd 3" Belt Drive delivers smoother engagement,...11200265- SKU:
- 11200265
- Availability:
- Ships Same Business Day
- Weight:
- 38.10 LBS
- MATERIAL:
- KEVLAR
- PRODUCT NAME:
- BELT DRIVE KIT
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- MATERIAL:
- STEEL
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 3'
MSRP: $2,871.95Now: $2,584.76Was: $2,871.95 -
On Sale
Belt Drives Ltd 2" Open Belt Drive Kit for 1990-2006 Harley-Davidson Softail Black EV-575-B
BELT DRIVES LTD.
MSRP: $2,794.95Now: $2,515.46Was: $2,794.95If you're running a 1990-2006 Softail and want reliable primary drive performance without compromise, the Belt Drives Ltd EV-575-B delivers the power transfer efficiency your engine demands. The ball-bearing lockup clutch provides 60% more surface...11200227- SKU:
- 11200227
- Availability:
- Ships Same Business Day
- Weight:
- 34.30 LBS
- TOOTH COUNT:
- 142
- MATERIAL:
- KEVLAR
- STYLE:
- RIBBED
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- BELT DRIVE KIT
- WIDTH IMPERIAL:
- 2'
MSRP: $2,794.95Now: $2,515.46Was: $2,794.95 -
On Sale
Belt Drives Ltd 2" Open Belt Drive Kit for 1970-1978 Harley-Davidson Shovelhead SH-500-B
BELT DRIVES LTD.
MSRP: $2,794.95Now: $2,515.46Was: $2,794.95If you're running a 1970-1978 Shovelhead and want reliable power delivery without the slip and wear of chain drive, this Belt Drives Ltd kit delivers the efficiency and durability you need. The ball-bearing lockup clutch provides 60% more surface contact...11200228- SKU:
- 11200228
- Availability:
- Ships Same Business Day
- Weight:
- 34.40 LBS
- PRODUCT NAME:
- BELT DRIVE KIT
- TOOTH COUNT:
- 132
- WIDTH IMPERIAL:
- 2'
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- MATERIAL:
- KEVLAR
- STYLE:
- RIBBED
- UNITS:
- KIT
MSRP: $2,794.95Now: $2,515.46Was: $2,794.95Qty in Cart: 0Quantity:Price:MSRP: $2,794.95Now: $2,515.46Was: $2,794.95Subtotal: -
On Sale
Belt Drives Ltd 2" Polished Open Belt Drive Kit for Harley-Davidson Touring Models 1990-2006 EVO-11S-2
BELT DRIVES LTD.
MSRP: $3,355.95Now: $3,020.36Was: $3,355.95A quality belt drive system is fundamental to smooth power delivery and longevity on any Harley-Davidson Touring model. The Belt Drives Ltd 2" Open Belt Drive Kit delivers reliable performance with a ball-bearing lockup clutch that eliminates drivetrain...11200231- SKU:
- 11200231
- Availability:
- Ships Same Business Day
- Weight:
- 34.85 LBS
- PRODUCT NAME:
- BELT DRIVE KIT
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 2'
- TOOTH COUNT:
- 132
- COLOR/FINISH:
- POLISHED
- STYLE:
- RIBBED
- UNITS:
- KIT
MSRP: $3,355.95Now: $3,020.36Was: $3,355.95 -
On Sale
Belt Drives Ltd 2" Open Belt Drive Kit for Harley-Davidson FXR 1990-2006 Black EVO-11S-2B
BELT DRIVES LTD.
MSRP: $3,590.95Now: $3,231.86Was: $3,590.95Belt drive systems are critical to smooth power delivery and reliability on your FXR, and a worn or inadequate setup compromises both performance and longevity. The Belt Drives Ltd 2" Open Belt Drive Kit delivers the precision engineering and robust...11200232- SKU:
- 11200232
- Availability:
- Ships Same Business Day
- Weight:
- 34.85 LBS
- STYLE:
- RIBBED
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- BELT DRIVE KIT
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 132
- WIDTH IMPERIAL:
- 2'
MSRP: $3,590.95Now: $3,231.86Was: $3,590.95
