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 Rear Drive Belt 132-Tooth 1-1/8in for 1986-1994 Harley-Davidson Softail PCC-132-118
BELT DRIVES LTD.
MSRP: $265.95Now: $239.36Was: $265.95Experience the ultimate in durability and performance with our Gates carbon X3N rear drive belt. Designed for superior reliability, this belt outperforms traditional aramid cord belts, making it the preferred choice for Harley-Davidson since 1980. Its...12040118- SKU:
- 12040118
- Availability:
- Ships Same Business Day
- Weight:
- 1.98 LBS
- TOOTH COUNT:
- 132
- MATERIAL:
- X7N CARBON
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 1-1/8'
- PRODUCT NAME:
- BELT
- TYPE:
- DRIVE
- UNITS:
- EACH
MSRP: $265.95Now: $239.36Was: $265.95 -
On Sale
Belt Drives Ltd Rear Drive Belt 132-Tooth 1-1/2" Harley-Davidson Softail 1986-1994 PCCB-132
BELT DRIVES LTD.
MSRP: $328.95Now: $296.06Was: $328.95Experience unparalleled performance with the BDL Rear Drive Belt, crafted from advanced Gates carbon X3N material. This innovative design offers superior durability and flexibility, ensuring a smooth and reliable ride. Engineered for optimal...12040125- SKU:
- 12040125
- Availability:
- Ships Same Business Day
- Weight:
- 2.36 LBS
- TOOTH COUNT:
- 132
- UNITS:
- EACH
- PRODUCT NAME:
- BELT
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 1-1/2'
- MATERIAL:
- X7N CARBON
- TYPE:
- DRIVE
MSRP: $328.95Now: $296.06Was: $328.95 -
On Sale
Belt Drives Ltd Rear Drive Belt 130-Tooth 1 1/2" 1995-1999 Harley-Davidson Softail PCCB-130
BELT DRIVES LTD.
MSRP: $312.95Now: $281.66Was: $312.95Experience unparalleled performance with the Premium Rear Drive Belt, designed for durability and reliability. Crafted with advanced Gates carbon X3N material, this belt outperforms traditional aramid cord belts, ensuring a smooth ride and minimal...12040127- SKU:
- 12040127
- Availability:
- Ships Same Business Day
- Weight:
- 2.29 LBS
- TYPE:
- DRIVE
- UNITS:
- EACH
- WIDTH IMPERIAL:
- 1-1/2'
- PRODUCT NAME:
- BELT
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 130
- MATERIAL:
- X7N CARBON
MSRP: $312.95Now: $281.66Was: $312.95 -
On Sale
Belt Drives Ltd Rear Drive Belt 133-Tooth 1 1/2" 1993-1999 Harley-Davidson FXD PCCB-133
BELT DRIVES LTD.
MSRP: $352.95Now: $317.66Was: $352.95Experience superior performance with our 133-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 for your motorcycle's drive...12040128- SKU:
- 12040128
- Availability:
- Ships Same Business Day
- Weight:
- 2.36 LBS
- MATERIAL:
- X7N CARBON
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 1-1/2'
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 133
- UNITS:
- EACH
MSRP: $352.95Now: $317.66Was: $352.95 -
On Sale
Belt Drives Ltd 2" Open Belt Drive Kit for 2007-2017 Harley-Davidson Softail and Dyna Models EVO-8S-2
BELT DRIVES LTD.
MSRP: $3,033.95Now: $2,730.56Was: $3,033.95Experience enhanced performance with the Belt Drives Ltd. 2" Drive Belt EVO-8S-2, designed for optimal power transfer and durability. This advanced clutch system features a ball-bearing lockup mechanism that significantly increases surface contact,...11200229- SKU:
- 11200229
- Availability:
- Ships Same Business Day
- Weight:
- 34.85 LBS
- STYLE:
- RIBBED
- UNITS:
- KIT
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 2'
- COLOR/FINISH:
- POLISHED
- MATERIAL:
- KEVLAR
- PRODUCT NAME:
- BELT DRIVE KIT
- TOOTH COUNT:
- 142
MSRP: $3,033.95Now: $2,730.56Was: $3,033.95Qty in Cart: 0Quantity:Price:MSRP: $3,033.95Now: $2,730.56Was: $3,033.95Subtotal: -
On Sale
Belt Drives Ltd 14mm 1-1/2in Primary Belt 69T Harley-Davidson 1985-1996 FLH FLT FXR PCC-69-112
BELT DRIVES LTD.
MSRP: $236.95Now: $213.26Was: $236.95The PCC-69-112 Replacement Belt from Belt Drives Ltd. is engineered for optimal performance in BDL primary drives. Designed for durability and efficiency, this belt ensures smooth operation and longevity, making it an essential component for your drive...DS360016- SKU:
- DS360016
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- STYLE:
- RIBBED
- TYPE:
- PRIMARY
- PRODUCT NAME:
- DRIVE BELT
- TOOTH COUNT:
- 69
- WIDTH IMPERIAL:
- 1-1/2'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $236.95Now: $213.26Was: $236.95Qty in Cart: 0Quantity:Price:MSRP: $236.95Now: $213.26Was: $236.95Subtotal: -
On Sale
Belt Drives Ltd Offset Spacer 1/4" for Harley-Davidson 1985-2006 FLHR Road King IN-250
BELT DRIVES LTD.
MSRP: $103.95Now: $93.56Was: $103.95This high-quality offset spacer is designed specifically for precise motor pulley alignment, ensuring optimal performance of your belt drive system. Manufactured in the U.S.A., it comes complete with a motor sprocket nut and mounting screws, making...DS360424- SKU:
- DS360424
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- PRODUCT NAME:
- SPACER INSERT
- RIDING STYLE:
- STREET
- TYPE:
- PULLEY
MSRP: $103.95Now: $93.56Was: $103.95Qty in Cart: 0Quantity:Price:MSRP: $103.95Now: $93.56Was: $103.95Subtotal: -
On Sale
Belt Drives Ltd 8mm 3" Primary Belt Drive Kick Start Spline Shaft 1955-1984 76-47-3S
BELT DRIVES LTD.
MSRP: $691.95Now: $622.76Was: $691.95Upgrade your motorcycle's performance with our high-quality 8mm Primary Belt Drive Kick Start Spline Shaft. Designed for durability and efficiency, this kit includes essential components to enhance your ride. Crafted in the U.S.A., it is perfect for...DS360113- SKU:
- DS360113
- Availability:
- Ships Same Business Day
- Weight:
- 11.90 LBS
- WIDTH IMPERIAL:
- 3'
- TOOTH COUNT:
- 144
- UNITS:
- KIT
- COLOR/FINISH:
- ANODIZED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- BELT DRIVE KIT
- RIDING STYLE:
- STREET
MSRP: $691.95Now: $622.76Was: $691.95 -
On Sale
Belt Drives Ltd Transmission Pulley 32T for Harley-Davidson Softail Custom FXSTC 1986-1999 TP-32
BELT DRIVES LTD.
MSRP: $202.95Now: $182.66Was: $202.95Experience enhanced performance with the BELT DRIVES LTD. Transmission Pulley TP-32, expertly crafted from lightweight 6061 T-6 aluminum and finished with a durable hard anodized coating. Designed to significantly reduce weight while maintaining...DS360167- SKU:
- DS360167
- Availability:
- Ships Same Business Day
- Weight:
- 3.06 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- TOOTH COUNT:
- 32
- UNITS:
- EACH
- COLOR/FINISH:
- ANODIZED
- PRODUCT NAME:
- PULLEY
MSRP: $202.95Now: $182.66Was: $202.95 -
On Sale
ARLEN NESS Transmission Cover - Black 03-823
ARLEN NESS
MSRP: $179.95Now: $163.75Was: $179.95Replaces the OEM cover, Includes necessary gaskets and hardware, Matching transmission top covers sold separately, Hydraulic style cover mounts on top of OEM hydraulic unit found on '14-up Touring models with fairing, Cable style cover replaces the OEM...11050110- SKU:
- 11050110
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- MOUNTING STYLE:
- 6 HOLE
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK ANODIZED
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- UNITS:
- EACH
- PRODUCT NAME:
- COVER
- COLOR/FINISH:
- RAW
- STYLE:
- 10 GAUGE
- TYPE:
- TRANSMISSION
MSRP: $179.95Now: $163.75Was: $179.95 -
DRAG SPECIALTIES Kickstarter Shaft 292003-HC-3
DRAG SPECIALTIES
$25.70High-quality steel replacement shaft, Machined for an exact fitDS196010- SKU:
- DS196010
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
- PRODUCT NAME:
- KICKSTARTER SHAFT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- POLISHED
- UNITS:
- EACH
$25.70 -
DRAG SPECIALTIES Kickstarter Crank Gear 292012-HC4
DRAG SPECIALTIES
$32.91Replacement kickstarter gear for Drag Specialties Kickstarter KitDS241028- SKU:
- DS241028
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- TOOTH COUNT:
- 24
- UNITS:
- EACH
- SIZE:
- STANDARD
- PRODUCT NAME:
- GEAR
- RIDING STYLE:
- STREET
- TYPE:
- KICKSTART CRANK
$32.91 -
ALTO PRODUCTS Red Eagle Plates 095752P
ALTO PRODUCTS
$107.95Aramid 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...11310478- SKU:
- 11310478
- Availability:
- Ships Same Business Day
- Weight:
- 1.04 LBS
- COLOR/FINISH:
- RED
- FRICTION PLATE MATERIAL:
- ORGANIC
- PRODUCT NAME:
- FRICTION PLATE SET
- RIDING STYLE:
- STREET
- MODEL:
- RED EAGLE®
- UNITS:
- 9 PACK
- TYPE:
- CLUTCH
$107.95Qty in Cart: 0Quantity:Price:$107.95Subtotal: -
ALTO PRODUCTS Steel Plate Set 095753E
ALTO PRODUCTS
$54.95Precision-made11310485- SKU:
- 11310485
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- PRODUCT NAME:
- PLATE SET
- UNITS:
- SET OF 7
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH
- MATERIAL:
- STEEL
$54.95Qty in Cart: 0Quantity:Price:$54.95Subtotal: -
ANDREWS 4-Speed Mainshaft 258190
ANDREWS
$263.95Sold individually, unless noted.DS199449- SKU:
- DS199449
- Availability:
- Ships Same Business Day
- Weight:
- 1.69 LBS
- STYLE:
- 4-SPEED
- TYPE:
- TRANSMISSION
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- MAINSHAFT
- UNITS:
- EACH
$263.95Qty in Cart: 0Quantity:Price:$263.95Subtotal: -
ANDREWS Stock Ratio Clutch Gear 254730
ANDREWS
$299.95Sold individually, unless noted.DS199438- SKU:
- DS199438
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- PRODUCT NAME:
- GEAR CLUTCH
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- STYLE:
- STANDARD RATIO
- TYPE:
- STOCK RATIO
$299.95Qty in Cart: 0Quantity:Price:$299.95Subtotal: -
ANDREWS Countershaft - Main Drive Gear 255580
ANDREWS
$130.95Sold individually, unless noted.DS199439- SKU:
- DS199439
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- PRODUCT NAME:
- COUNTERSHAFT
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD RATIO
- TOOTH COUNT:
- 27
- TYPE:
- MAIN DRIVE GEAR
- UNITS:
- EACH
$130.95Qty in Cart: 0Quantity:Price:$130.95Subtotal: -
ANDREWS 5-Speed Gear Set - 2.94:1 First Ratio 296081
ANDREWS
$1,414.95Gears 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.11060058- SKU:
- 11060058
- Availability:
- Ships Same Business Day
- Weight:
- 14.45 LBS
- FIRST GEAR RATIO:
- 2.94:1
- TYPE:
- TRANSMISSION
- PRODUCT NAME:
- GEAR SET
- RIDING STYLE:
- STREET
- STYLE:
- CLOSE RATIO
- UNITS:
- SET
$1,414.95Qty in Cart: 0Quantity:Price:$1,414.95Subtotal: -
EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacers - 0.120" A-24034-70
EASTERN MOTORCYCLE PARTS
$13.50The only way to properly space/align the front motor sprocket or belt drive pulley, Made in the U.S.A.DS196138- SKU:
- DS196138
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- TYPE:
- SPROCKET
- UNITS:
- 5 PACK
$13.50 -
EASTERN MOTORCYCLE PARTS Starter Springs A-33391-36
EASTERN MOTORCYCLE PARTS
$13.50Made in the U.S.A.21100362- SKU:
- 21100362
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- TYPE:
- STARTER CLUTCH
- UNITS:
- 10 PACK
- PRODUCT NAME:
- SPRING
- RIDING STYLE:
- STREET
$13.50