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
-
On Sale
Jims Transmission Sprocket Spacer for Harley FLH Electra Glide 1980-1983 33334-79
JIMS
MSRP: $53.25Now: $47.93Was: $53.25A worn or improperly spaced transmission sprocket can accelerate seal degradation and compromise drivetrain reliability—especially on classic Harley FLH models that demand precision engineering. The...DS197052- SKU:
- DS197052
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- LENGTH:
- 0.687'
- PRODUCT NAME:
- TRANSMISSION SPROCKET SPACER
- TRANSMISSION TYPE:
- 5 SPEED
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $53.25Now: $47.93Was: $53.25Qty in Cart: 0Quantity:Price:MSRP: $53.25Now: $47.93Was: $53.25Subtotal: -
On Sale
Jims Shifter Shaft Bushings 1977-2003 Harley-Davidson XLH XLCH XLCR XLX 40520-63
JIMS
MSRP: $31.55Now: $28.40Was: $31.55Worn shifter shaft bushings cause sloppy, imprecise gear changes that compromise both control and reliability on the road or track. JIMS Shifter Shaft Bushings restore the tight tolerances your...DS194253- SKU:
- DS194253
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- TYPE:
- SHIFTER SHAFT
- UNITS:
- PAIR
MSRP: $31.55Now: $28.40Was: $31.55 -
On Sale
Jims Extended Kick Starter Shaft for Harley-Davidson 1936-1986 33096-54AL
JIMS
MSRP: $132.30Now: $119.07Was: $132.30A worn or damaged kickstarter shaft compromises both reliability and ride quality, leaving you stranded when you need your bike to fire up. The JIMS Extended Kick Starter Shaft restores smooth,...DS196012- SKU:
- DS196012
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- TYPE:
- 4-SPEED
- UNITS:
- EACH
- SIZE:
- OVERSIZE (+0,750')
- PRODUCT NAME:
- KICKSTARTER SHAFT
- RIDING STYLE:
- STREET
MSRP: $132.30Now: $119.07Was: $132.30 -
On Sale
Jims 5-Speed Transmission Rebuild Kit 1980-1983 FLT Tour Glide 1019
JIMS
MSRP: $356.20Now: $320.58Was: $356.20Transmission fluid leaks, harsh shifts, and worn synchronizers will kill reliability faster than anything else on your bike. The JIMS 5-Speed Rebuild Kit 1019 gives you a complete solution to restore...DS325779- SKU:
- DS325779
- Availability:
- Ships Same Business Day
- Weight:
- 2.44 LBS
- MODEL:
- A CUT ABOVE
- STYLE:
- REPLACEMENT
- UNITS:
- KIT
- TRANSMISSION TYPE:
- 5 SPEED
- PRODUCT NAME:
- TRANSMISSION MASTER KIT
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION MASTER KIT
MSRP: $356.20Now: $320.58Was: $356.20Qty in Cart: 0Quantity:Price:MSRP: $356.20Now: $320.58Was: $356.20Subtotal: -
EASTERN MOTORCYCLE PARTS Shift Arm Screw A-33119-79B
EASTERN MOTORCYCLE PARTS
$8.95A worn or damaged shift arm screw can compromise your bike's shifting precision and create safety hazards during aggressive riding. This OEM-spec replacement restores factory-correct engagement and...11100044- SKU:
- 11100044
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- ADJUSTING SCREW
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- SHIFTER ARM
$8.95 -
EASTERN MOTORCYCLE PARTS 4-Speed Shifter Cam A-34040-52
EASTERN MOTORCYCLE PARTS
$4.00A worn or damaged shifter cam directly compromises shift quality and can lead to missed gears or grinding transmission damage. The Eastern Motorcycle Parts 4-Speed Shifter Cam A-34040-52 restores...11060018- SKU:
- 11060018
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- RETAINING RING
- TYPE:
- SHIFTER CAM
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- STYLE:
- OEM REPLACEMENT
- TRANSMISSION TYPE:
- 4 SPEED
$4.00 -
DRAG SPECIALTIES Rear Wheel Sprocket - 47-Tooth - Chrome 19433P
DRAG SPECIALTIES
$103.74A properly sized rear sprocket is critical to your bike's acceleration, top speed, and overall drivetrain efficiency. The 47-tooth configuration on this Drag Specialties sprocket delivers the balance...12100981- SKU:
- 12100981
- Availability:
- Ships Same Business Day
- Weight:
- 4.60 LBS
- CHAIN SIZE:
- 530
- MATERIAL:
- CARBON STEEL
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 47
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- OFFSET IMPERIAL:
- 0.23'
- TYPE:
- DRIVE
$103.74Qty in Cart: 0Quantity:Price:$103.74Subtotal: -
DP BRAKES Clutch Plates DPHK513
DP BRAKES
$61.95If you're running a hard-shifting transmission or experiencing clutch fade under sustained load, stock clutch plates are costing you reliability and consistency. The DP BRAKES DPHK513 steel clutch...11310292- SKU:
- 11310292
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- DRIVE PLATE MATERIAL:
- STEEL
- MODEL:
- DPHK SERIES
- TYPE:
- CLUTCH
- UNITS:
- SET OF 5
- PRODUCT NAME:
- DRIVE PLATE SET
- RIDING STYLE:
- STREET
$61.95Qty in Cart: 0Quantity:Price:$61.95Subtotal: -
DP BRAKES Clutch Fibers DPHK512
DP BRAKES
$143.95Stock clutch fibers are engineered for durability under normal driving conditions, not sustained performance or aggressive shifting. DP BRAKES Clutch Fibers DPHK512 deliver fade-free operation and...11310291- SKU:
- 11310291
- Availability:
- Ships Same Business Day
- Weight:
- 1.81 LBS
- PRODUCT NAME:
- FRICTION PLATE SET
- FRICTION PLATE MATERIAL:
- CARBON FIBER
- MODEL:
- DPHK SERIES
- TYPE:
- CLUTCH
- UNITS:
- SET OF 7
- RIDING STYLE:
- STREET
$143.95Qty in Cart: 0Quantity:Price:$143.95Subtotal: -
DP BRAKES Clutch Fibers DPHK511
DP BRAKES
$155.95Stock clutch fibers wear out fast, especially under aggressive driving or racing conditions—leaving you vulnerable to slippage, fade, and costly rebuilds. The DP BRAKES Clutch Fibers DPHK511 are...11310290- SKU:
- 11310290
- Availability:
- Ships Same Business Day
- Weight:
- 0.89 LBS
- UNITS:
- SET OF 8
- MODEL:
- DPHK SERIES
- TYPE:
- CLUTCH
- FRICTION PLATE MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FRICTION PLATE SET
$155.95 -
DP BRAKES Clutch Fibers DPHK502
DP BRAKES
$121.95If you're experiencing clutch slip, fade, or unpredictable shift quality, worn friction plates are likely the culprit—and OEM replacements won't solve the problem long-term. DP BRAKES Clutch Fibers...11310281- SKU:
- 11310281
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MODEL:
- DPHK SERIES
- TYPE:
- CLUTCH
- UNITS:
- SET OF 6
- PRODUCT NAME:
- FRICTION PLATE SET
- FRICTION PLATE MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
$121.95Qty in Cart: 0Quantity:Price:$121.95Subtotal: -
On Sale
Belt Drives Ltd 3" Belt Drive with Support for Harley-Davidson Softail 1990-2006 EVOB-900
BELT DRIVES LTD.
MSRP: $4,016.62Now: $3,815.79Was: $4,016.62If you're running a Softail and want to eliminate the weak points in your drivetrain, a quality belt drive system is non-negotiable. The Belt Drives Ltd 3" kit replaces sloppy chain systems with...11200255- SKU:
- 11200255
- Availability:
- Ships Same Business Day
- Weight:
- 44.20 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- COLOR/FINISH:
- POLISHED
- UNITS:
- EACH
- WIDTH IMPERIAL:
- 3'
- MATERIAL:
- 6061-ALUMINUM
- PRODUCT NAME:
- BELT DRIVE KIT
- MATERIAL:
- KEVLAR
MSRP: $4,016.62Now: $3,815.79Was: $4,016.62 -
FEULING OIL PUMP CORP. American Derby Cover - Black 9162
FEULING OIL PUMP CORP.
$159.95Your motorcycle's primary cover is one of the most visible components on your bike—why settle for stock? The FEULING OIL PUMP CORP. American Derby Cover replaces that factory cover with...11070616- SKU:
- 11070616
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- GLOSS
- TYPE:
- DERBY
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
On Sale
JIMS Shifter Upgrade Harley-Davidson 1986-2000 Softail Dyna Touring 8070
JIMS
MSRP: $664.25Now: $597.83Was: $664.25If you're running an 86-2000 Big Twin Softail, Dyna, or Touring, sloppy shifter feel and missed gears are more than annoying—they cost you precision and reliability. The JIMS 8070 Shifter Upgrade...11100043- SKU:
- 11100043
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- PRODUCT NAME:
- SHIFTER KIT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $664.25Now: $597.83Was: $664.25 -
On Sale
Jims Shift Fork Shaft for Harley-Davidson Big Twin 1936-1986 34186-76
JIMS
MSRP: $46.80Now: $42.12Was: $46.80A worn or damaged shift fork shaft compromises your transmission's ability to engage gears precisely, leading to grinding shifts and accelerated internal wear. The JIMS Shift Fork Shaft 34186-76...DS194251- SKU:
- DS194251
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- STREET
- TRANSMISSION TYPE:
- 4 SPEED
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SHIFT FORK SHAFT KIT
- UNITS:
- KIT
MSRP: $46.80Now: $42.12Was: $46.80 -
On Sale
Jims Gear Mainshaft Bushing for Harley-Davidson FL 1941-1947 35322-38
JIMS
MSRP: $40.10Now: $36.09Was: $40.10A worn mainshaft bushing creates unwanted play in your transmission, leading to sloppy shifting and accelerated gear wear. The JIMS Gear Mainshaft Bushing 35322-38 restores proper tolerances and...DS194252- SKU:
- DS194252
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- TYPE:
- SECOND GEAR
- TYPE:
- MAINSHAFT
- TYPE:
- THIRD GEAR
- UNITS:
- EACH
MSRP: $40.10Now: $36.09Was: $40.10 -
EASTERN MOTORCYCLE PARTS Mainshaft Washers A-35385-SET
EASTERN MOTORCYCLE PARTS
$41.95Mainshaft thrust washers are critical wear items that directly impact transmission smoothness and longevity. This six-piece assortment from Eastern Motorcycle Parts gives you the precise thickness...11060056- SKU:
- 11060056
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- TYPE:
- MAINSHAFT
- PRODUCT NAME:
- THRUST WASHER
- RIDING STYLE:
- STREET
- STYLE:
- RIGHT SIDE
- UNITS:
- SET
$41.95Qty in Cart: 0Quantity:Price:$41.95Subtotal: -
EASTERN MOTORCYCLE PARTS Main Drive Gear - Spacer A-35070-82A
EASTERN MOTORCYCLE PARTS
$41.95Proper gear spacing is critical to transmission longevity and consistent power delivery in high-performance motorcycle engines. The EASTERN MOTORCYCLE PARTS Main Drive Gear Spacer maintains precise...DS196236- SKU:
- DS196236
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- TYPE:
- MAIN DRIVE GEAR
- PRODUCT NAME:
- SPACER
- UNITS:
- EACH
$41.95 -
EASTERN MOTORCYCLE PARTS Main Drive Gear Bushing A-35094-65
EASTERN MOTORCYCLE PARTS
$53.95A worn or damaged main drive gear bushing compromises power transfer efficiency and can accelerate wear on surrounding drivetrain components. The EASTERN MOTORCYCLE PARTS Main Drive Gear Bushing...DS194126- SKU:
- DS194126
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- TYPE:
- MAIN DRIVE GEAR
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$53.95 -
DRAG SPECIALTIES Rear Sprocket Spacer - .20" 26-0128-S-SC2
DRAG SPECIALTIES
$19.21When upgrading to a wider rear tire, proper sprocket alignment is critical to maintain chain or belt tension and prevent premature wear. The DRAG SPECIALTIES Rear Sprocket Spacer compensates for the...78055050- SKU:
- 78055050
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPACER
- TYPE:
- SPROCKET
- UNITS:
- EACH
- WIDTH IMPERIAL:
- 0.200'
- MATERIAL:
- STEEL
- COLOR/FINISH:
- ZINC
- RIDING STYLE:
- STREET
- TYPE:
- PULLEY
$19.21
