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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DRAG SPECIALTIES Rear Drive Belt - 126-Tooth - 1 1/2" BDL SPC-126
DRAG SPECIALTIES
$272.43Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040037- SKU:
- 12040037
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 126
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 1-1/2'
- UNITS:
- EACH
- TYPE:
- REAR DRIVE
$272.43 -
DRAG SPECIALTIES Rear Drive Belt - 130-Tooth - 1 1/2" BDL SPC-130
DRAG SPECIALTIES
$272.43Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040043- SKU:
- 12040043
- Availability:
- Ships Same Business Day
- Weight:
- 2.26 LBS
- TOOTH COUNT:
- 130
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- TYPE:
- REAR DRIVE
- WIDTH IMPERIAL:
- 1-1/2'
- PRODUCT NAME:
- BELT
- UNITS:
- EACH
$272.43 -
DRAG SPECIALTIES Rear Drive Belt - 130-Tooth - 1" BDL SPC-130-1
DRAG SPECIALTIES
$224.59Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040045- SKU:
- 12040045
- Availability:
- Ships Same Business Day
- Weight:
- 1.89 LBS
- TYPE:
- REAR DRIVE
- UNITS:
- EACH
- PRODUCT NAME:
- BELT
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 130
- WIDTH IMPERIAL:
- 1'
$224.59 -
DRAG SPECIALTIES Rear Drive Belt - 132-Tooth - 1" BDL SPC-132-1
DRAG SPECIALTIES
$224.59Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040048- SKU:
- 12040048
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 132
- WIDTH IMPERIAL:
- 1'
- TYPE:
- REAR DRIVE
- PRODUCT NAME:
- BELT
- UNITS:
- EACH
$224.59 -
DRAG SPECIALTIES Rear Drive Belt - 135-Tooth - 1 1/2" BDL SPC-135
DRAG SPECIALTIES
$293.23Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040054- SKU:
- 12040054
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- WIDTH IMPERIAL:
- 1-1/2'
- PRODUCT NAME:
- BELT
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 135
- UNITS:
- EACH
- TYPE:
- REAR DRIVE
$293.23 -
DRAG SPECIALTIES Rear Drive Belt - 135-Tooth - 1" BDL SPC-135-1
DRAG SPECIALTIES
$224.59Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040056- SKU:
- 12040056
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- TYPE:
- REAR DRIVE
- UNITS:
- EACH
- PRODUCT NAME:
- BELT
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 135
- WIDTH IMPERIAL:
- 1'
$224.59 -
DRAG SPECIALTIES Rear Drive Belt - 136-Tooth - 1 1/8" BDL SPC-136-118
DRAG SPECIALTIES
$250.59Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040059- SKU:
- 12040059
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- TOOTH COUNT:
- 136
- TYPE:
- REAR DRIVE
- UNITS:
- EACH
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 1-1/8'
- PRODUCT NAME:
- BELT
$250.59 -
DRAG SPECIALTIES Rear Drive Belt - 136-Tooth - 1" BDL SPC-136-1
DRAG SPECIALTIES
$207.95Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040060- SKU:
- 12040060
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 136
- WIDTH IMPERIAL:
- 1'
- TYPE:
- REAR DRIVE
- PRODUCT NAME:
- BELT
- UNITS:
- EACH
$207.95 -
DRAG SPECIALTIES Rear Drive Belt - 139-Tooth - 1 1/8" BDL SPC-139-118
DRAG SPECIALTIES
$250.59Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040063- SKU:
- 12040063
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- WIDTH IMPERIAL:
- 1-1/8'
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 139
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- REAR DRIVE
$250.59 -
DRAG SPECIALTIES Rear Drive Belt - 139-Tooth - 1" BDL SPC-139-1
DRAG SPECIALTIES
$224.59Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040064- SKU:
- 12040064
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- TOOTH COUNT:
- 139
- WIDTH IMPERIAL:
- 1'
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BELT
- UNITS:
- EACH
- TYPE:
- REAR DRIVE
$224.59 -
DRAG SPECIALTIES Rear Drive Belt - 131-Tooth - 1" PCC-131-1
DRAG SPECIALTIES
$181.95Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040112- SKU:
- 12040112
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 1'
- PRODUCT NAME:
- BELT
- UNITS:
- EACH
- TOOTH COUNT:
- 131
- TYPE:
- REAR DRIVE
$181.95 -
DRAG SPECIALTIES Rear Drive Belt - 133-Tooth - 24mm BDL SPC-133-24
DRAG SPECIALTIES
$207.95Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040092- SKU:
- 12040092
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 133
- UNITS:
- EACH
- TYPE:
- REAR DRIVE
$207.95 -
DRAG SPECIALTIES Rear Belt Drive - 134 Tooth BDL SPC-134-24
DRAG SPECIALTIES
$207.95Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33% more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Durable material construction is...12040234- SKU:
- 12040234
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 134
- UNITS:
- EACH
- TYPE:
- REAR DRIVE
- PRODUCT NAME:
- BELT
$207.95 -
DRAG SPECIALTIES Rear Drive Belt - 128-Tooth - 1 1/2" BDL SPC-128
DRAG SPECIALTIES
$272.43Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040041- SKU:
- 12040041
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 128
- WIDTH IMPERIAL:
- 1-1/2'
- TYPE:
- REAR DRIVE
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$272.43 -
DRAG SPECIALTIES Rear Drive Belt - 130-Tooth - 1 1/8" BDL SPC-130-118
DRAG SPECIALTIES
$250.59Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040044- SKU:
- 12040044
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- TYPE:
- REAR DRIVE
- PRODUCT NAME:
- BELT
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 130
- UNITS:
- EACH
- WIDTH IMPERIAL:
- 1-1/8'
$250.59 -
DRAG SPECIALTIES Rear Drive Belt - 132-Tooth - 1 1/2" BDL SPC-132
DRAG SPECIALTIES
$272.43Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040046- SKU:
- 12040046
- Availability:
- Ships Same Business Day
- Weight:
- 2.27 LBS
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 1-1/2'
- TYPE:
- REAR DRIVE
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 132
- UNITS:
- EACH
$272.43 -
DRAG SPECIALTIES Rear Drive Belt - 132-Tooth - 20mm BDL SPC-132-20
DRAG SPECIALTIES
$207.95Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040049- SKU:
- 12040049
- Availability:
- Ships Same Business Day
- Weight:
- 1.72 LBS
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 132
- PRODUCT NAME:
- BELT
- UNITS:
- EACH
- TYPE:
- REAR DRIVE
$207.95 -
DRAG SPECIALTIES Rear Drive Belt - 133-Tooth - 1 1/2" BDL SPC-133
DRAG SPECIALTIES
$272.43Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040050- SKU:
- 12040050
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 1-1/2'
- TYPE:
- REAR DRIVE
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 133
- UNITS:
- EACH
$272.43 -
DRAG SPECIALTIES Rear Drive Belt - 133-Tooth - 1 1/8" BDL SPC-133-118
DRAG SPECIALTIES
$250.59Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040051- SKU:
- 12040051
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 1-1/8'
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 133
- UNITS:
- EACH
- TYPE:
- REAR DRIVE
$250.59 -
DRAG SPECIALTIES Rear Drive Belt - 133-Tooth - 1" BDL SPC-133-1
DRAG SPECIALTIES
$207.95Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040052- SKU:
- 12040052
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 133
- TYPE:
- REAR DRIVE
- UNITS:
- EACH
- WIDTH IMPERIAL:
- 1'
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
$207.95
