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 Transmission Mainshaft Sprocket - 22-Tooth 70165
DRAG SPECIALTIES
$29.07High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120700- SKU:
- 12120700
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 22
- UNITS:
- EACH
- MATERIAL:
- STEEL
- TYPE:
- MAINSHAFT
- RIDING STYLE:
- STREET
- CHAIN SIZE:
- 530
$29.07Qty in Cart: 0Quantity:Price:$29.07Subtotal: -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 23 Tooth 70166
DRAG SPECIALTIES
$31.15High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120701- SKU:
- 12120701
- Availability:
- Ships Same Business Day
- Weight:
- 1.39 LBS
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- TYPE:
- MAINSHAFT
- UNITS:
- EACH
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 23
$31.15 -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 24 Tooth 70167
DRAG SPECIALTIES
$31.15High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120702- SKU:
- 12120702
- Availability:
- Ships Same Business Day
- Weight:
- 1.53 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 24
- CHAIN SIZE:
- 530
- MATERIAL:
- STEEL
- TYPE:
- MAINSHAFT
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$31.15Qty in Cart: 0Quantity:Price:$31.15Subtotal: -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 25 Tooth 70168
DRAG SPECIALTIES
$28.03High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120703- SKU:
- 12120703
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 530
- TOOTH COUNT:
- 25
- TYPE:
- MAINSHAFT
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$28.03 -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 23 Tooth 70170
DRAG SPECIALTIES
$31.15High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120705- SKU:
- 12120705
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- MATERIAL:
- STEEL
- TYPE:
- MAINSHAFT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 23
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$31.15 -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 24 Tooth 70171
DRAG SPECIALTIES
$30.11High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120706- SKU:
- 12120706
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- MATERIAL:
- STEEL
- TYPE:
- MAINSHAFT
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 24
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
$30.11Qty in Cart: 0Quantity:Price:$30.11Subtotal: -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 25 Tooth 73037
DRAG SPECIALTIES
$31.15High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120707- SKU:
- 12120707
- Availability:
- Ships Same Business Day
- Weight:
- 1.63 LBS
- CHAIN SIZE:
- 530
- MATERIAL:
- STEEL
- TYPE:
- MAINSHAFT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 25
- UNITS:
- EACH
$31.15 -
DRAG SPECIALTIES Transmission Mounting Plate 74728
DRAG SPECIALTIES
$38.06Chrome transmission mounting plate for 5-speedsDS243621- SKU:
- DS243621
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- TYPE:
- TRANSMISSION
- PRODUCT NAME:
- MOUNTING PLATE
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$38.06 -
DRAG SPECIALTIES Stroker Kicker Arm 73114
DRAG SPECIALTIES
$113.25Forged, chrome-plated arm is 101/4" long overall, and includes pinch bolt, Please note location of pinch bolt; this kicker arm will only work on kickstart shafts that feature a pinch bolt groove machined completely around the shaft.DS241013- SKU:
- DS241013
- Availability:
- Ships Same Business Day
- Weight:
- 2.28 LBS
- PRODUCT NAME:
- KICKER ARM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$113.25 -
DRAG SPECIALTIES Primary Chain Adjuster 71517
DRAG SPECIALTIES
$25.70Includes bracket shoe and retaining clip, Zinc plated, Replaces OEM adjusterDS192004- SKU:
- DS192004
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CHAIN ADJUSTER KIT
- TYPE:
- PRIMARY CHAIN
- UNITS:
- EACH
$25.70 -
DRAG SPECIALTIES Primary Chain - 428-2 x 76 C226T3/006
DRAG SPECIALTIES
$137.97Improved fatigue resistance, Pre-loaded to reduce initial elongation, Endless construction using high-quality raw materials for long life, Made in Italy11200282- SKU:
- 11200282
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
- NUMBER OF LINKS:
- 76
- UNITS:
- EACH
- PRODUCT NAME:
- PRIMARY CHAIN
- RIDING STYLE:
- STREET
$137.97 -
DRAG SPECIALTIES Primary Chain - #35-3 x 96 CA35-3S2N/1001
DRAG SPECIALTIES
$131.79Improved fatigue resistance, Pre-loaded to reduce initial elongation, Endless construction using high-quality raw materials for long life, Made in Italy11200287- SKU:
- 11200287
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- PRODUCT NAME:
- PRIMARY CHAIN
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- NUMBER OF LINKS:
- 96
$131.79 -
DRAG SPECIALTIES Aramid Fiber Plates 1131-0421
DRAG SPECIALTIES
$83.38Designed to perform under extreme heat conditions, Allow smooth, precise shifting, 100% asbestos free, Can be run wet or dry, Made in the U.S.A.11310421- SKU:
- 11310421
- Availability:
- Ships Same Business Day
- Weight:
- 0.89 LBS
- UNITS:
- SET OF 6
- PRODUCT NAME:
- FRICTION PLATE
- MATERIAL:
- ARAMID FIBER
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH
$83.38 -
DRAG SPECIALTIES Aramid Fiber Plates 1131-0422
DRAG SPECIALTIES
$78.23Designed to perform under extreme heat conditions, Allow smooth, precise shifting, 100% asbestos free, Can be run wet or dry, Made in the U.S.A.11310422- SKU:
- 11310422
- Availability:
- Ships Same Business Day
- Weight:
- 1.72 LBS
- TYPE:
- CLUTCH
- UNITS:
- SET OF 5
- PRODUCT NAME:
- FRICTION PLATE
- MATERIAL:
- ARAMID FIBER
- RIDING STYLE:
- STREET
$78.23 -
DRAG SPECIALTIES Aramid Fiber Plates 1131-0423
DRAG SPECIALTIES
$63.81Designed to perform under extreme heat conditions, Allow smooth, precise shifting, 100% asbestos free, Can be run wet or dry, Made in the U.S.A.11310423- SKU:
- 11310423
- Availability:
- Ships Same Business Day
- Weight:
- 1.46 LBS
- PRODUCT NAME:
- FRICTION PLATE
- MATERIAL:
- ARAMID FIBER
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH
- UNITS:
- SET OF 4
$63.81 -
DRAG SPECIALTIES Organic Plates 1131-0426
DRAG SPECIALTIES
$75.14Designed to perform under extreme heat conditions, Allow smooth, precise shifting, 100% asbestos free, Can be run wet or dry, Made in the U.S.A.11310426- SKU:
- 11310426
- Availability:
- Ships Same Business Day
- Weight:
- 0.91 LBS
- PRODUCT NAME:
- FRICTION PLATE
- STYLE:
- OEM REPLACEMENT
- TYPE:
- CLUTCH
- UNITS:
- SET OF 6
- MATERIAL:
- ORGANIC
- RIDING STYLE:
- STREET
$75.14 -
DRAG SPECIALTIES Organic Plates 1131-0427
DRAG SPECIALTIES
$72.05Designed to perform under extreme heat conditions, Allow smooth, precise shifting, 100% asbestos free, Can be run wet or dry, Made in the U.S.A.11310427- SKU:
- 11310427
- Availability:
- Ships Same Business Day
- Weight:
- 1.74 LBS
- MATERIAL:
- ORGANIC
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FRICTION PLATE
- STYLE:
- OEM REPLACEMENT
- TYPE:
- CLUTCH
- UNITS:
- SET OF 5
$72.05 -
DRAG SPECIALTIES Organic Plates 1131-0428
DRAG SPECIALTIES
$72.05Designed to perform under extreme heat conditions, Allow smooth, precise shifting, 100% asbestos free, Can be run wet or dry, Made in the U.S.A.11310428- SKU:
- 11310428
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- MATERIAL:
- ORGANIC
- PRODUCT NAME:
- FRICTION PLATE
- TYPE:
- CLUTCH
- UNITS:
- SET OF 4
- RIDING STYLE:
- STREET
$72.05 -
DRAG SPECIALTIES Steel Plates 1131-0432
DRAG SPECIALTIES
$38.06Designed to perform under extreme heat conditions, Allow smooth, precise shifting, Steel plates are manufactured under strict quality-control standards, Can be run wet or dry, Made in the U.S.A.11310432- SKU:
- 11310432
- Availability:
- Ships Same Business Day
- Weight:
- 3.27 LBS
- RIDING STYLE:
- STREET
- UNITS:
- SET OF 4
- PRODUCT NAME:
- DRIVE PLATE
- TYPE:
- CLUTCH
- MATERIAL:
- STEEL
$38.06 -
DRAG SPECIALTIES Steel Plates 1131-0433
DRAG SPECIALTIES
$34.97Designed to perform under extreme heat conditions, Allow smooth, precise shifting, Steel plates are manufactured under strict quality-control standards, Can be run wet or dry, Made in the U.S.A.11310433- SKU:
- 11310433
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- DRIVE PLATE
- RIDING STYLE:
- STREET
- UNITS:
- SET OF 3
- TYPE:
- CLUTCH
$34.97
