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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ALTO PRODUCTS Red Eagle Plates 095752E
ALTO PRODUCTS
$48.95Aramid plates are for high-performance applications; Red Eagle organic plates are for OEM replacement, Increased surface area for decreased slipping, Increases holding while decreasing heat generation, Can be run wet or dry, Meets or exceeds OEM...11310468- SKU:
- 11310468
- Availability:
- Ships Same Business Day
- Weight:
- 0.67 LBS
- COLOR/FINISH:
- RED
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FRICTION PLATE SET
- TYPE:
- CLUTCH
- UNITS:
- 6 PACK
- FRICTION PLATE MATERIAL:
- ORGANIC
- MODEL:
- RED EAGLE®
$48.95Qty in Cart: 0Quantity:Price:$48.95Subtotal: -
ALTO PRODUCTS Rivera Pro Clutch Plate 320720K220UP1
ALTO PRODUCTS
$15.95Provides a large increase in clutch plate surface for getting horsepower to the rear wheel, Meets or exceeds OEM specifications, Made in the U.S.A.11310497- SKU:
- 11310497
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- PRODUCT NAME:
- FRICTION PLATE
- COLOR/FINISH:
- BLACK
- FRICTION PLATE MATERIAL:
- KEVLAR
- MODEL:
- PRO CLUTCH
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH
- UNITS:
- EACH
$15.95 -
ALTO PRODUCTS Rivera Pro Clutch Plate - Steel - 0.047" 320721-120UP1
ALTO PRODUCTS
$5.95Provides a large increase in clutch plate surface for getting horsepower to the rear wheel, Meets or exceeds OEM specifications, Made in the U.S.A.11310498- SKU:
- 11310498
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- COLOR/FINISH:
- STEEL
- FRICTION PLATE MATERIAL:
- STEEL
- MODEL:
- PRO CLUTCH
- TYPE:
- CLUTCH
- UNITS:
- EACH
- PRODUCT NAME:
- DRIVE PLATE (STEEL PLATE)
- RIDING STYLE:
- STREET
$5.95 -
ALTO PRODUCTS Rivera Pro Clutch Plate - Steel - 0.080" 320721-200UP1
ALTO PRODUCTS
$7.95Provides a large increase in clutch plate surface for getting horsepower to the rear wheel, Meets or exceeds OEM specifications, Made in the U.S.A.11310499- SKU:
- 11310499
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- FRICTION PLATE MATERIAL:
- STEEL
- MODEL:
- PRO CLUTCH
- COLOR/FINISH:
- STEEL
- PRODUCT NAME:
- DRIVE PLATE (STEEL PLATE)
- TYPE:
- CLUTCH
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$7.95 -
ALTO PRODUCTS Round Dog BDL Replacement Clutch Plates 320750A
ALTO PRODUCTS
$153.95Direct replacement clutch plates for BDL Quiet Clutches, Kit includes seven Red Eagle fiber and seven steel plates, Optional extreme-duty bronze plate available to replace fiber plate, Made in the U.S.A., For BDL Round Dog clutch baskets11310503- SKU:
- 11310503
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- COMPLETE
- FRICTION PLATE MATERIAL:
- KEVLAR
- MODEL:
- ROUND DOG
- RIDING STYLE:
- STREET
- DRIVE PLATE MATERIAL:
- STEEL
- UNITS:
- KIT
$153.95Qty in Cart: 0Quantity:Price:$153.95Subtotal: -
ALTO PRODUCTS Clutch Plates 320750F
ALTO PRODUCTS
$178.95A slipping clutch costs you power and consistency—especially under hard acceleration or forced induction. The ALTO PRODUCTS 320750F clutch plates expand your friction surface area to deliver full engine output to the rear wheels without compromise. Built...11310507- SKU:
- 11310507
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- MODEL:
- PRO CLUTCH
- RIDING STYLE:
- STREET
- DRIVE PLATE MATERIAL:
- STEEL
- FRICTION PLATE MATERIAL:
- KEVLAR
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- COMPLETE
$178.95 -
ALTO PRODUCTS Clutch Plates 320750G
ALTO PRODUCTS
$185.95If you're losing power transfer between your engine and drivetrain, undersized or worn clutch plates are the culprit. The ALTO PRODUCTS 320750G expands your friction surface area, allowing your clutch to handle higher horsepower loads without...11310508- SKU:
- 11310508
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- MODEL:
- PRO CLUTCH
- FRICTION PLATE MATERIAL:
- KEVLAR
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- COMPLETE
- DRIVE PLATE MATERIAL:
- STEEL
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$185.95Qty in Cart: 0Quantity:Price:$185.95Subtotal: -
ALTO PRODUCTS G3¢â€žÂ¢ Friction Replacement Clutch Kit 095754A
ALTO PRODUCTS
$178.95G3 material provides higher torque capacity, improved shift and reduced clutch burnout, Increased surface area for decreased slipping, Increase holding while decreasing heat generation, Meet or exceed OEM specifications, Made in the U.S.A.11313567- SKU:
- 11313567
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- TYPE:
- DRIVE PLATE (FRICTION PLATE)
- MATERIAL:
- G3™ FRICTION
- RIDING STYLE:
- STREET
- UNITS:
- SET
- MODEL:
- G3™
- PRODUCT NAME:
- CLUTCH KIT
$178.95Qty in Cart: 0Quantity:Price:$178.95Subtotal: -
ALTO PRODUCTS Performance Steel¢â€žÂ¢ Replacement Clutch Kit 095755A
ALTO PRODUCTS
$103.95G3 material provides higher torque capacity, improved shift and reduced clutch burnout, Increased surface area for decreased slipping, Increase holding while decreasing heat generation, Meet or exceed OEM specifications, Made in the U.S.A.11313568- SKU:
- 11313568
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- DRIVE PLATE (STEEL PLATE)
- MATERIAL:
- STEEL
- MODEL:
- PERFORMANCE STEEL™
- RIDING STYLE:
- STREET
- UNITS:
- SET
$103.95Qty in Cart: 0Quantity:Price:$103.95Subtotal: -
ALTO PRODUCTS Clutch Friction Plate Set 095752KB
ALTO PRODUCTS
$140.95Increased surface area for decreased slipping, Increased surface area for decreased slipping, Increase holding while decreasing heat generation, Increases holding while decreasing heat generation, Precision-made steel plates, Can be run wet or dry, Can...11310472- SKU:
- 11310472
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
- PRODUCT NAME:
- FRICTION PLATE SET
- UNITS:
- SET OF 8
- TYPE:
- CLUTCH
- RIDING STYLE:
- STREET
- FRICTION PLATE MATERIAL:
- KEVLAR
$140.95Qty in Cart: 0Quantity:Price:$140.95Subtotal: -
ALTO PRODUCTS Steel Plate Set 095753B
ALTO PRODUCTS
$65.95Precision-made11310482- SKU:
- 11310482
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- PRODUCT NAME:
- PLATE SET
- UNITS:
- SET OF 8
- TYPE:
- CLUTCH
- MATERIAL:
- STEEL
- RIDING STYLE:
- STREET
$65.95 -
ANDREWS 5-Speed Gear Set - 2.94:1 First Ratio 296091
ANDREWS
$1,428.95Gears are made from high-nickel alloy steel that is heat-treated and shot-peened for maximum durability and strength, Set includes gears, mainshaft and countershaft, Made in the U.S.A.DS194507- SKU:
- DS194507
- Availability:
- Ships Same Business Day
- Weight:
- 14.75 LBS
- FIRST GEAR RATIO:
- 2.94:1
- TYPE:
- TRANSMISSION
- RIDING STYLE:
- STREET
- UNITS:
- SET
- PRODUCT NAME:
- GEAR SET
- STYLE:
- CLOSE RATIO
$1,428.95Qty in Cart: 0Quantity:Price:$1,428.95Subtotal: -
ANDREWS 5-Speed Gear Set - 3.24:1 First Ratio 299900
ANDREWS
$1,558.95Gears are made from high-nickel alloy steel that is heat-treated and shot-peened for maximum durability and strength, Set includes gears, mainshaft and countershaft, Made in the U.S.A.DS194509- SKU:
- DS194509
- Availability:
- Ships Same Business Day
- Weight:
- 15.25 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GEAR SET
- STYLE:
- STANDARD RATIO
- FIRST GEAR RATIO:
- 3,24:1
- TYPE:
- TRANSMISSION
- UNITS:
- SET
$1,558.95 -
ANDREWS 4-Speed Gear Set - Stock Ratio 250300
ANDREWS
$1,132.95Gears are made from high-nickel alloy steel, heat-treated and shot-peened to give maximum durability and strength, Made in the U.S.A.DS194512- SKU:
- DS194512
- Availability:
- Ships Same Business Day
- Weight:
- 7.12 LBS
- FIRST GEAR RATIO:
- 2.52:1
- FOURTH GEAR RATIO:
- 1.00:1
- RIDING STYLE:
- STREET
- UNITS:
- SET
- STYLE:
- STANDARD RATIO
- THIRD GEAR RATIO:
- 1.38:1
- PRODUCT NAME:
- GEAR SET
- SECOND GEAR RATIO:
- 1.83:1
- TYPE:
- TRANSMISSION
$1,132.95 -
ANDREWS 5-Speed Gear Set - 2.94:1 First Ratio 296085
ANDREWS
$1,428.95Gears are made from high-nickel alloy steel that is heat-treated and shot-peened for maximum durability and strength, Set includes gears, mainshaft and countershaft, Made in the U.S.A.DS194515- SKU:
- DS194515
- Availability:
- Ships Same Business Day
- Weight:
- 14.92 LBS
- PRODUCT NAME:
- GEAR SET
- FIRST GEAR RATIO:
- 2.94:1
- STYLE:
- CLOSE RATIO
- TYPE:
- TRANSMISSION
- RIDING STYLE:
- STREET
- UNITS:
- SET
$1,428.95 -
ANDREWS 4-Speed Gear Set - Stock Ratio 210850
ANDREWS
$1,033.95Gears are made from high-nickel alloy steel, heat-treated and shot-peened to give maximum durability and strength, Made in the U.S.A.DS194497- SKU:
- DS194497
- Availability:
- Ships Same Business Day
- Weight:
- 9.65 LBS
- THIRD GEAR RATIO:
- 1.23:1
- TYPE:
- TRANSMISSION
- UNITS:
- SET
- STYLE:
- STANDARD RATIO
- FIRST GEAR RATIO:
- 2.60:1
- PRODUCT NAME:
- GEAR SET
- RIDING STYLE:
- STREET
$1,033.95Qty in Cart: 0Quantity:Price:$1,033.95Subtotal: -
ANDREWS 4-Speed Gear Set - Close Ratio 210550
ANDREWS
$1,018.95Gears are made from high-nickel alloy steel, heat-treated and shot-peened to give maximum durability and strength, Made in the U.S.A.DS194498- SKU:
- DS194498
- Availability:
- Ships Same Business Day
- Weight:
- 9.65 LBS
- FIRST GEAR RATIO:
- 2.44:1
- TYPE:
- TRANSMISSION
- PRODUCT NAME:
- GEAR SET
- RIDING STYLE:
- STREET
- STYLE:
- CLOSE RATIO
- THIRD GEAR RATIO:
- 1.35:1
- UNITS:
- SET
$1,018.95 -
ANDREWS 4-Speed Gear Set - Close Ratio 210150
ANDREWS
$978.95Gears are made from high-nickel alloy steel, heat-treated and shot-peened to give maximum durability and strength, Made in the U.S.A.DS194499- SKU:
- DS194499
- Availability:
- Ships Same Business Day
- Weight:
- 9.40 LBS
- TYPE:
- TRANSMISSION
- FIRST GEAR RATIO:
- 2.44:1
- UNITS:
- SET
- PRODUCT NAME:
- GEAR SET
- RIDING STYLE:
- STREET
- STYLE:
- CLOSE RATIO
- THIRD GEAR RATIO:
- 1.35:1
$978.95 -
ANDREWS Countershaft Clutch Gear - 1st and 2nd Gear 205120
ANDREWS
$63.95Sold individually, unless noted.DS199420- SKU:
- DS199420
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- TYPE:
- FIRST GEAR
- PRODUCT NAME:
- COUNTER SHAFT CLUTCH GEAR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- SECOND GEAR
$63.95 -
ANDREWS 5-Speed Mainshaft 296850
ANDREWS
$331.95Sold individually, unless noted.DS199422- SKU:
- DS199422
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- UNITS:
- EACH
- STYLE:
- 5 SPEED
- STYLE:
- BELT DRIVE
- PRODUCT NAME:
- MAINSHAFT
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
$331.95
