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 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 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 Starter Pinion Gear for Harley Davidson FLSTFI Fat Boy 2001-2006 PG-100
BELT DRIVES LTD.
MSRP: $88.95Now: $80.06Was: $88.95The BDL Starter Pinion Gear PG-100 is specifically designed for optimal performance with BDL Belt Drive clutches. Engineered for durability and precision, this pinion gear ensures reliable starting and smooth operation, making it a vital component for...21100067- SKU:
- 21100067
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- LENGTH:
- 82,6 MM (3-1/4')
- LENGTH IMPERIAL:
- 3-1/4'
- TOOTH COUNT:
- 9
- LENGTH METRIC:
- 82.6 MM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PINION GEAR
- UNITS:
- KIT
MSRP: $88.95Now: $80.06Was: $88.95 -
On Sale
Belt Drives Ltd Compensator Sprocket 24 Tooth Harley-Davidson Softail 1986-2006 CS-24A-1
BELT DRIVES LTD.
MSRP: $136.95Now: $123.26Was: $136.95Experience enhanced performance with the BELT DRIVES LTD. Compensator Sprocket, designed for efficiency and durability. This innovative three-piece system eliminates the need for springs, providing a lightweight alternative to traditional sprockets, all...11015002- SKU:
- 11015002
- Availability:
- Ships Same Business Day
- Weight:
- 3.35 LBS
- RIDING STYLE:
- STREET
- TYPE:
- COMPENSATING
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 24
- UNITS:
- EACH
MSRP: $136.95Now: $123.26Was: $136.95 -
On Sale
Belt Drives Ltd Rear Drive Belt 140-Tooth 24mm Harley Touring 2007-2025 PCC-140-1
BELT DRIVES LTD.
MSRP: $224.95Now: $202.46Was: $224.95Experience unparalleled performance with the BELT DRIVES LTD. Rear Drive Belt, designed specifically for durability and efficiency. Crafted from Gates carbon X3N material, this belt has been trusted by Harley-Davidson for over four decades, ensuring you...12040114- SKU:
- 12040114
- Availability:
- Ships Same Business Day
- Weight:
- 1.84 LBS
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 140
- TYPE:
- REAR DRIVE
- UNITS:
- EACH
- MATERIAL:
- X7N CARBON
- RIDING STYLE:
- STREET
MSRP: $224.95Now: $202.46Was: $224.95 -
On Sale
Belt Drives Ltd Rear Drive Belt 127 Tooth 1 1/2 Inch Harley-Davidson Softail 1993 PCCB-127
BELT DRIVES LTD.
MSRP: $336.95Now: $303.26Was: $336.95Experience superior performance with our high-torque polyurethane rear drive belt, engineered for durability and efficiency. Designed to fit both OEM and Karata® systems, this belt is ideal for wide tire applications and conversions, ensuring a smooth...12040116- SKU:
- 12040116
- Availability:
- Ships Same Business Day
- Weight:
- 2.29 LBS
- MATERIAL:
- X7N CARBON
- UNITS:
- EACH
- PRODUCT NAME:
- BELT
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 127
- WIDTH IMPERIAL:
- 1-1/2'
MSRP: $336.95Now: $303.26Was: $336.95 -
On Sale
Belt Drives Ltd Rear Drive Belt 135-Tooth 1 1/2" 1984-1996 Harley-Davidson Touring PCCB-135
BELT DRIVES LTD.
MSRP: $355.95Now: $320.36Was: $355.95Experience unparalleled performance with the BELT DRIVES LTD. Rear Drive Belt, designed for high-torque applications. This 135-tooth belt features robust aramid tensile cords and a unique ribbed design, ensuring optimal durability and compatibility with...12040117- SKU:
- 12040117
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- BELT
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 135
- WIDTH IMPERIAL:
- 1-1/2'
- MATERIAL:
- X7N CARBON
MSRP: $355.95Now: $320.36Was: $355.95Qty in Cart: 0Quantity:Price:MSRP: $355.95Now: $320.36Was: $355.95Subtotal: -
On Sale
Belt Drives Ltd Rear Drive Belt 136-Tooth 1 1/8in Harley-Davidson FXRT Sport Glide 1985-1992 PCCB-136-118
BELT DRIVES LTD.
MSRP: $251.95Now: $226.76Was: $251.95Experience enhanced performance with the BDL Rear Drive Belt crafted from Gates' advanced carbon X3N material. This belt outperforms traditional aramid cord belts, providing superior reliability and durability, making it the choice of Harley-Davidson...12040119- SKU:
- 12040119
- Availability:
- Ships Same Business Day
- Weight:
- 1.91 LBS
- TOOTH COUNT:
- 136
- MATERIAL:
- X7N CARBON
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 1-1/8'
- PRODUCT NAME:
- BELT
- TYPE:
- DRIVE
- UNITS:
- EACH
MSRP: $251.95Now: $226.76Was: $251.95 -
On Sale
Belt Drives Ltd Rear Drive Belt 126-Tooth 1 1/8in Harley-Davidson 1984-1986 FXWG PCCB-126-118
BELT DRIVES LTD.
MSRP: $251.95Now: $226.76Was: $251.95Experience superior performance with the BELT DRIVES LTD. Rear Drive Belt, crafted from Gates carbon X3N material. This advanced belt design offers unparalleled reliability and durability, making it the ideal choice for high-performance applications. ...12040120- SKU:
- 12040120
- Availability:
- Ships Same Business Day
- Weight:
- 1.91 LBS
- TOOTH COUNT:
- 126
- MATERIAL:
- X7N CARBON
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 1-1/8'
- PRODUCT NAME:
- BELT
- TYPE:
- DRIVE
- UNITS:
- EACH
MSRP: $251.95Now: $226.76Was: $251.95 -
On Sale
Belt Drives Ltd Rear Drive Belt 130-Tooth 1 1/8in Harley-Davidson Softail 1995-2006 PCCB-130-118
BELT DRIVES LTD.
MSRP: $265.95Now: $239.36Was: $265.95Experience unparalleled performance with our 130-Tooth Rear Drive Belt, designed for high-torque applications. Crafted from high-quality polyurethane and reinforced with aramid tensile cords, this belt ensures durability and reliability, making it an...12040121- SKU:
- 12040121
- Availability:
- Ships Same Business Day
- Weight:
- 1.96 LBS
- MATERIAL:
- X7N CARBON
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 1-1/8'
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 130
- UNITS:
- EACH
MSRP: $265.95Now: $239.36Was: $265.95 -
On Sale
Belt Drives Ltd Rear Drive Belt 133-Tooth 1 1/8in Harley-Davidson Dyna 1993-1999 PCCB-133-118
BELT DRIVES LTD.
MSRP: $273.95Now: $246.56Was: $273.95Enhance your ride with our high-performance 133-tooth rear drive belt, designed specifically for wide tire applications and conversions. Crafted from durable polyurethane and featuring aramid tensile cords, this belt ensures maximum torque and longevity,...12040122- SKU:
- 12040122
- Availability:
- Ships Same Business Day
- Weight:
- 2.14 LBS
- TOOTH COUNT:
- 133
- UNITS:
- EACH
- MATERIAL:
- X7N CARBON
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BELT
- WIDTH IMPERIAL:
- 1-1/8'
MSRP: $273.95Now: $246.56Was: $273.95 -
On Sale
Belt Drives Ltd Rear Drive Belt 139 Tooth 1 1/2 Inch Harley-Davidson 1993 PCC-139
BELT DRIVES LTD.
MSRP: $375.95Now: $338.36Was: $375.95Experience superior durability and performance with our 139-Tooth Rear Drive Belt, expertly crafted from high-torque polyurethane. Designed with aramid tensile cords and a distinctive top ribbing, this belt ensures a reliable fit for both OEM and Karata®...12040124- SKU:
- 12040124
- Availability:
- Ships Same Business Day
- Weight:
- 2.33 LBS
- UNITS:
- EACH
- WIDTH IMPERIAL:
- 1-1/2'
- PRODUCT NAME:
- BELT
- MATERIAL:
- X7N CARBON
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 139
MSRP: $375.95Now: $338.36Was: $375.95 -
On Sale
Belt Drives Ltd Rear Drive Belt 126-Tooth 1-1/2in Harley-Davidson 1982-1984 FLH PCCB-126
BELT DRIVES LTD.
MSRP: $314.00Now: $264.56Was: $314.00Experience unparalleled performance with our Premium Rear Drive Belt, crafted from Gates carbon X3N material. This innovative design not only enhances reliability but also ensures a smooth ride, making it the ideal choice for enthusiasts seeking...12040126- SKU:
- 12040126
- Availability:
- Ships Same Business Day
- Weight:
- 2.22 LBS
- TYPE:
- DRIVE
- WIDTH IMPERIAL:
- 1-1/2'
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 126
- MATERIAL:
- X7N CARBON
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $314.00Now: $264.56Was: $314.00 -
On Sale
Belt Drives Ltd Rear Drive Belt 128-Tooth 1 1/2" Harley Davidson 1993 FLSTC PCCB-128
BELT DRIVES LTD.
MSRP: $344.95Now: $310.46Was: $344.95Experience unmatched performance with the BDL Rear Drive Belt, crafted from Gates' advanced carbon X3N material. This innovative design offers superior reliability and durability, making it the preferred choice for serious riders. Engineered for optimal...12040129- SKU:
- 12040129
- Availability:
- Ships Same Business Day
- Weight:
- 2.24 LBS
- MATERIAL:
- X7N CARBON
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 128
- TYPE:
- DRIVE
- WIDTH IMPERIAL:
- 1-1/2'
- PRODUCT NAME:
- BELT
- UNITS:
- EACH
MSRP: $344.95Now: $310.46Was: $344.95 -
On Sale
Belt Drives Ltd Rear Drive Belt for Harley-Davidson Softail 1993 PCCB-125-118
BELT DRIVES LTD.
MSRP: $251.95Now: $226.76Was: $251.95Experience enhanced performance and durability with our 125-tooth rear drive belt, designed specifically for high-torque applications. Crafted from premium polyurethane and featuring aramid tensile cords, this belt ensures reliability and longevity for...12040130- SKU:
- 12040130
- Availability:
- Ships Same Business Day
- Weight:
- 1.87 LBS
- MATERIAL:
- X7N CARBON
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 1-1/8'
- PRODUCT NAME:
- BELT
- UNITS:
- EACH
- TOOTH COUNT:
- 125
MSRP: $251.95Now: $226.76Was: $251.95 -
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: $326.95Experience unmatched performance with our Premium Rear Drive Belt, designed with advanced Gates carbon X3N material for superior durability and reliability. This belt offers enhanced flexibility and stability, making it the ideal choice for...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: $299.95Experience superior performance with our 139-Tooth Rear Drive Belt, designed for high-torque applications. Crafted from durable polyurethane and reinforced with aramid tensile cords, this belt ensures longevity and reliability, making it an ideal choice...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: $324.95Experience superior performance with BDL's Rear Belt Drive, crafted from advanced Gates carbon X3N material. Trusted by Harley-Davidson since 1980, this belt ensures exceptional reliability and durability, making it the perfect choice for your motorcycle...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: $28.95The TFBSB-100 bearing from Belt Drives Ltd. is specifically engineered for optimal performance in BDL Belt Drive clutches. Designed for durability and efficiency, this bearing ensures smooth operation and reduced friction, enhancing the longevity of your...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