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
-
POWERSTANDS RACING Primary Chain Tensioner 12-02000-22
POWERSTANDS RACING
$222.95Helps with over tightening; easy to adjust, Heavy-duty manual tensioner, Precision machined from billet aluminum, Mounts with OEM hardware11200408- SKU:
- 11200408
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- CHAIN TENSIONER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$222.95 -
POWERSTANDS RACING Primary Chain Tensioner 12-02002-22
POWERSTANDS RACING
$222.95POWERSTANDS RACING Primary Chain Tensioner11200424- SKU:
- 11200424
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- CHAIN TENSIONER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$222.95 -
PANTHER Rear Drive Belt - 132-Tooth - 1 1/2" 62-0938
PANTHER
$273.95Improved RPP™ Panther® Design, Feature ULTRA-CORD™ tensile members and the Able™ compound, ULTRA-CORD doesn't stretch or shrink, thus reducing the strain on bearings, shafts, and other drive components, ULTRA-CORD resists degradation and moisture to give...DS197001- SKU:
- DS197001
- Availability:
- Ships Same Business Day
- Weight:
- 1.88 LBS
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 1-1/2'
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 132
- TYPE:
- REAR DRIVE
- UNITS:
- EACH
$273.95 -
PANTHER Rear Drive Belt - 136-Tooth - 1 1/2" 62-0964
PANTHER
$282.95Improved RPP™ Panther® Design, Feature ULTRA-CORD™ tensile members and the Able™ compound, ULTRA-CORD doesn't stretch or shrink, thus reducing the strain on bearings, shafts, and other drive components, ULTRA-CORD resists degradation and moisture to give...DS197002- SKU:
- DS197002
- Availability:
- Ships Same Business Day
- Weight:
- 1.81 LBS
- TYPE:
- REAR DRIVE
- WIDTH IMPERIAL:
- 1-1/2'
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 136
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$282.95 -
PANTHER Rear Drive Belt - 126-Tooth - 1 1/2" 62-0940
PANTHER
$265.95Improved RPP™ Panther® Design, Feature ULTRA-CORD™ tensile members and the Able™ compound, ULTRA-CORD doesn't stretch or shrink, thus reducing the strain on bearings, shafts, and other drive components, ULTRA-CORD resists degradation and moisture to give...DS197003- SKU:
- DS197003
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- TYPE:
- REAR DRIVE
- UNITS:
- EACH
- WIDTH IMPERIAL:
- 1-1/2'
- PRODUCT NAME:
- BELT
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 126
$265.95 -
PANTHER Rear Drive Belt - 130-Tooth - 1 1/2" 62-0941
PANTHER
$270.95Improved RPP™ Panther® Design, Feature ULTRA-CORD™ tensile members and the Able™ compound, ULTRA-CORD doesn't stretch or shrink, thus reducing the strain on bearings, shafts, and other drive components, ULTRA-CORD resists degradation and moisture to give...DS197004- SKU:
- DS197004
- Availability:
- Ships Same Business Day
- Weight:
- 1.81 LBS
- PRODUCT NAME:
- BELT
- TYPE:
- REAR DRIVE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 130
- WIDTH IMPERIAL:
- 1-1/2'
$270.95 -
PANTHER Rear Drive Belt - 128-Tooth - 1 1/2" 62-0943
PANTHER
$253.95Improved RPP™ Panther® Design, Feature ULTRA-CORD™ tensile members and the Able™ compound, ULTRA-CORD doesn't stretch or shrink, thus reducing the strain on bearings, shafts, and other drive components, ULTRA-CORD resists degradation and moisture to give...DS197006- SKU:
- DS197006
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 128
- UNITS:
- EACH
- TYPE:
- REAR DRIVE
- WIDTH IMPERIAL:
- 1-1/2'
$253.95 -
PANTHER Rear Drive Belt - 150-Tooth - 1 3/8" 62-1232
PANTHER
$281.95Improved RPP™ Panther® Design, Feature ULTRA-CORD™ tensile members and the Able™ compound, ULTRA-CORD doesn't stretch or shrink, thus reducing the strain on bearings, shafts, and other drive components, ULTRA-CORD resists degradation and moisture to give...23020001- SKU:
- 23020001
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 150
- WIDTH IMPERIAL:
- 1-3/8'
- RIDING STYLE:
- STREET
- TYPE:
- REAR DRIVE
- UNITS:
- EACH
$281.95 -
PANTHER Rear Drive Belt - 139-Tooth - 1 1/2" 62-1178
PANTHER
$291.95Improved RPP™ Panther® Design, Feature ULTRA-CORD™ tensile members and the Able™ compound, ULTRA-CORD doesn't stretch or shrink, thus reducing the strain on bearings, shafts, and other drive components, ULTRA-CORD resists degradation and moisture to give...MBR139- SKU:
- MBR139
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- TOOTH COUNT:
- 139
- PRODUCT NAME:
- BELT
- UNITS:
- EACH
- TYPE:
- REAR DRIVE
- WIDTH IMPERIAL:
- 1-1/2'
- RIDING STYLE:
- STREET
$291.95 -
MAGNUM Hydraulic Clutch Line - 74" 31274CVO
MAGNUM
$126.95Allows brake calipers to be moved to different mounting locations, including radial brake caliper relocations, Caliper lines are extended and incorporate EZ-Align banjos for easy installation, Plus 2 or plus 4-inch length stock style, two-line...11321479- SKU:
- 11321479
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- MATERIAL:
- DUPONT™ KEVLAR®
- RIDING STYLE:
- STREET
- TYPE:
- HYDRAULIC
- CONNECTOR TYPE:
- 10 MM 35° BANJO FITTING
- PRODUCT NAME:
- CLUTCH LINE
- LENGTH IMPERIAL:
- 74'
- UNITS:
- EACH
- BRAND SPECIFIC COLOR:
- STERLING CHROMITE II
- MATERIAL:
- PTFE
$126.95 -
MAGNUM Hydraulic Clutch Line - 70" 31270CVO
MAGNUM
$126.95Allows brake calipers to be moved to different mounting locations, including radial brake caliper relocations, Caliper lines are extended and incorporate EZ-Align banjos for easy installation, Plus 2 or plus 4-inch length stock style, two-line...11321481- SKU:
- 11321481
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- PTFE
- PRODUCT NAME:
- CLUTCH LINE
- UNITS:
- EACH
- BRAND SPECIFIC COLOR:
- STERLING CHROMITE II
- TYPE:
- HYDRAULIC
- CONNECTOR TYPE:
- 10 MM 35° BANJO FITTING
- LENGTH IMPERIAL:
- 70'
- MATERIAL:
- DUPONT™ KEVLAR®
$126.95 -
MAGNUM Hydraulic Clutch Line - 78" 31278CVO
MAGNUM
$129.95Allows brake calipers to be moved to different mounting locations, including radial brake caliper relocations, Caliper lines are extended and incorporate EZ-Align banjos for easy installation, Plus 2 or plus 4-inch length stock style, two-line...11321485- SKU:
- 11321485
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MATERIAL:
- DUPONT™ KEVLAR®
- TYPE:
- HYDRAULIC
- BRAND SPECIFIC COLOR:
- STERLING CHROMITE II
- CONNECTOR TYPE:
- 10 MM 35° BANJO FITTING
- LENGTH IMPERIAL:
- 78'
- MATERIAL:
- PTFE
- PRODUCT NAME:
- CLUTCH LINE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$129.95 -
MAGNUM Hydraulic Clutch Line - 78" 41278CVO
MAGNUM
$130.95Allows brake calipers to be moved to different mounting locations, including radial brake caliper relocations, Caliper lines are extended and incorporate EZ-Align banjos for easy installation, Plus 2 or plus 4-inch length stock style, two-line...11321487- SKU:
- 11321487
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MATERIAL:
- DUPONT™ KEVLAR®
- MATERIAL:
- PTFE
- UNITS:
- EACH
- BRAND SPECIFIC COLOR:
- BLACK PEARL
- CONNECTOR TYPE:
- 10 MM 35° BANJO FITTING
- LENGTH IMPERIAL:
- 78'
- PRODUCT NAME:
- CLUTCH LINE
- RIDING STYLE:
- STREET
- TYPE:
- HYDRAULIC
$130.95 -
MAGNUM Build-Your-Own Clutch Fitting - Hydraulic 391140
MAGNUM
$32.95Patented design meets all FMVSS-106 Standards for safe and reliable on-road use (see compatibility note below), Assembles in 5 minutes with only side cutters and 7/16?" wrench, All components and hoses are available separately to build your own clutch...11321122- SKU:
- 11321122
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BUILD YOUR OWN (BYO)
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FITTING
- TYPE:
- CLUTCH
- UNITS:
- EACH
$32.95Qty in Cart: 0Quantity:Price:$32.95Subtotal: -
On Sale
MAGNUM Hydraulic Clutch Line - KARBONFIBR 71776
MAGNUM
MSRP: $127.95Now: $82.00Was: $127.95MAGNUM Hydraulic Clutch Line - KARBONFIBR11321593- SKU:
- 11321593
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
MSRP: $127.95Now: $82.00Was: $127.95 -
MAGNUM Build-Your-Own Clutch Fitting - Stainless 391120
MAGNUM
$34.95Patented design meets all FMVSS-106 Standards for safe and reliable on-road use (see compatibility note below), Assembles in 5 minutes with only side cutters and 7/16?" wrench, All components and hoses are available separately to build your own clutch...11320818- SKU:
- 11320818
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BUILD YOUR OWN (BYO)
- UNITS:
- EACH
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
MAGNUM Build-Your-Own Clutch Fitting - Stainless 391130
MAGNUM
$31.95Patented design meets all FMVSS-106 Standards for safe and reliable on-road use (see compatibility note below), Assembles in 5 minutes with only side cutters and 7/16?" wrench, All components and hoses are available separately to build your own clutch...11320819- SKU:
- 11320819
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BUILD YOUR OWN (BYO)
- UNITS:
- EACH
- TYPE:
- CLUTCH
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- STREET
$31.95 -
MAGNUM Clutch Line 31580
MAGNUM
$129.95Constructed with PTFE inner tubing, DuPont Kevlar aramid fiber, premium Signature Magnum braids and an outer PVC jacket, Three unique stainless steel transmission fittings eliminate the use of adapters, Braid color and weave match all other Magnum...11321007- SKU:
- 11321007
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- CLUTCH LINE
- UNITS:
- EACH
- CONNECTOR TYPE:
- 10 MM 35° BANJO FITTING
- BRAND SPECIFIC COLOR:
- STERLING CHROMITE II
- LENGTH IMPERIAL:
- 80'
- TYPE:
- HYDRAULIC
$129.95 -
MAGNUM Clutch Line 41580
MAGNUM
$131.95Constructed with PTFE inner tubing, DuPont Kevlar aramid fiber, premium Signature Magnum braids and an outer PVC jacket, Three unique stainless steel transmission fittings eliminate the use of adapters, Braid color and weave match all other Magnum...11321012- SKU:
- 11321012
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BRAND SPECIFIC COLOR:
- BLACK PEARL
- CONNECTOR TYPE:
- 10 MM 35° BANJO FITTING
- PRODUCT NAME:
- CLUTCH LINE
- COLOR/FINISH:
- BLACK
- TYPE:
- HYDRAULIC
- LENGTH IMPERIAL:
- 80'
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$131.95 -
MAGNUM Clutch Line 41582
MAGNUM
$137.95Constructed with PTFE inner tubing, DuPont Kevlar aramid fiber, premium Signature Magnum braids and an outer PVC jacket, Three unique stainless steel transmission fittings eliminate the use of adapters, Braid color and weave match all other Magnum...11321013- SKU:
- 11321013
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BRAND SPECIFIC COLOR:
- BLACK PEARL
- CONNECTOR TYPE:
- 10 MM 35° BANJO FITTING
- PRODUCT NAME:
- CLUTCH LINE
- TYPE:
- HYDRAULIC
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 82'
- MATERIAL:
- STAINLESS STEEL
$137.95