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
-
DRAG SPECIALTIES Transmission End Cover Filler Cap 292032-HC3
DRAG SPECIALTIES
$6.92A transmission end cover filler cap is a critical maintenance component that prevents fluid loss, contamination, and pressure buildup inside your transmission housing. Over time, stock caps crack, corrode, or fail to seal properly—leading to costly fluid...DS325518- SKU:
- DS325518
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- CAP
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION END
$6.92Qty in Cart: 0Quantity:Price:$6.92Subtotal: -
DRAG SPECIALTIES Transmission Top Cover - Chrome 302091-BX-LB2
DRAG SPECIALTIES
$86.95A transmission top cover is essential for protecting internal components from contamination while maintaining a finished appearance that complements your engine bay's aesthetic. This chrome Drag Specialties cover delivers both functional protection and...DS325530- SKU:
- DS325530
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- COLOR/FINISH:
- POWDER-COATED
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION TOP
- MOUNTING STYLE:
- 5 HOLE
$86.95 -
DRAG SPECIALTIES Offset Sprocket Kit - 22-Tooth 191368-BX-LB1
DRAG SPECIALTIES
$47.03Running extra-wide rear rubber requires precise sprocket geometry to maintain proper chain alignment and avoid premature wear. This offset sprocket kit solves that problem by repositioning your sprocket relative to the wheel hub, allowing you to fit...DS191053- SKU:
- DS191053
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
- COLOR/FINISH:
- BLACK
- TYPE:
- MAINSHAFT
- OFFSET IMPERIAL:
- 0.200'
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 22
- UNITS:
- KIT
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
$47.03 -
DRAG SPECIALTIES Primary Cover - Chrome - '71-'85 FX 210093-BX60
DRAG SPECIALTIES
$304.95A primary cover serves as both a protective barrier and a visual statement on your classic FX. This die-cast chrome cover shields your primary drivetrain components from road debris and moisture while delivering the polished, finished look that separates...DS375623- SKU:
- DS375623
- Availability:
- Ships Same Business Day
- Weight:
- 5.31 LBS
- MOUNTING STYLE:
- 8 HOLE
- TYPE:
- OUTER PRIMARY
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$304.95Qty in Cart: 0Quantity:Price:$304.95Subtotal: -
DRAG SPECIALTIES Primary Cover - Chrome - '70-'84 FL 210094-BX60
DRAG SPECIALTIES
$281.95A quality primary cover protects your engine's internal components from road debris and weather while giving your bike a finished, professional appearance. The Drag Specialties Primary Cover delivers the durability and fit that Harley-Davidson FL owners...DS375624- SKU:
- DS375624
- Availability:
- Ships Same Business Day
- Weight:
- 5.38 LBS
- MATERIAL:
- ALUMINUM
- MOUNTING STYLE:
- 8 HOLE
- TYPE:
- OUTER PRIMARY
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
$281.95 -
On Sale
Belt Drives Ltd C-Clip for 3in Electric Start 1970-2006 Harley Davidson FLH Electra Glide CC-244
BELT DRIVES LTD.
MSRP: $15.38Now: $10.76Was: $15.38If you're running a BDL belt drive clutch on your FLH Electra Glide, the hub bearing is where precision directly translates to reliable clutch engagement and longevity. A worn or inferior bearing introduces slop into your clutch actuation, leading to...DS360407- SKU:
- DS360407
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- C-CLIP
- RIDING STYLE:
- STREET
- TYPE:
- BEARING
- UNITS:
- EACH
MSRP: $15.38Now: $10.76Was: $15.38 -
On Sale
Belt Drives Ltd C-Clip for 1990-2013 Harley Davidson FLSTF Fat Boy 3in Belt Drive CC-158
BELT DRIVES LTD.
MSRP: $14.31Now: $9.86Was: $14.31If you're running a BDL belt drive clutch on your Fat Boy, the C-Clip is the small but critical component that keeps everything locked in place under load. A worn or damaged C-Clip compromises clutch engagement and can lead to costly belt slippage or...DS360409- SKU:
- DS360409
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- C-CLIP
- TYPE:
- CLUTCH HUB
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $14.31Now: $9.86Was: $14.31Qty in Cart: 0Quantity:Price:MSRP: $14.31Now: $9.86Was: $14.31Subtotal: -
On Sale
Belt Drives Ltd Clutch Basket 68 Tooth for Softail and FXR Models EV-475
BELT DRIVES LTD.
MSRP: $441.54Now: $305.06Was: $441.54A worn or inferior clutch basket directly impacts your Softail or FXR's engagement quality and overall drivetrain reliability. The Belt Drives Ltd EV-475 delivers precision-machined construction with hard anodized durability, ensuring consistent...DS360411- SKU:
- DS360411
- Availability:
- Ships Same Business Day
- Weight:
- 5.80 LBS
- COLOR/FINISH:
- ANODIZED
- PRODUCT NAME:
- CLUTCH BASKET
- NUMBER OF TEETH:
- 68
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $441.54Now: $305.06Was: $441.54 -
On Sale
Belt Drives Ltd 2" Open Belt Drive Kit for 2017-2019 Harley-Davidson Touring Models EVO-16BH-2B
BELT DRIVES LTD.
MSRP: $4,731.38Now: $3,496.46Was: $4,731.38If you're running big-inch displacement or forced induction on your 2017-2019 Touring model, your factory belt drive wasn't designed to handle the power you're making. Belt Drives Ltd's EVO-16BH-2B open belt drive kit delivers the durability and...11200399- SKU:
- 11200399
- Availability:
- Ships Same Business Day
- Weight:
- 42.03 LBS
- SIZE IMPERIAL:
- 2'
- COLOR/FINISH:
- BLACK
- TYPE:
- PRIMARY BELT DRIVE
- UNITS:
- KIT
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- BELT DRIVE KIT
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 52
- TOOTH COUNT:
- 69
MSRP: $4,731.38Now: $3,496.46Was: $4,731.38 -
On Sale
Belt Drives Ltd 3" 8mm Drive Belt for Harley-Davidson Dyna 1991-2005 EVOB-122S
BELT DRIVES LTD.
MSRP: $2,871.95Now: $2,584.76Was: $2,871.95If you're running a Harley-Davidson Dyna and want reliable, smooth power delivery without the maintenance headaches of chain drive, a quality belt system is non-negotiable. The Belt Drives Ltd 3" 8mm Drive Belt EVOB-122S delivers the durability and...11200245- SKU:
- 11200245
- Availability:
- Ships Same Business Day
- Weight:
- 37.60 LBS
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- MATERIAL:
- STEEL
- WIDTH IMPERIAL:
- 3'
- MATERIAL:
- KEVLAR
- PRODUCT NAME:
- BELT DRIVE KIT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $2,871.95Now: $2,584.76Was: $2,871.95Qty in Cart: 0Quantity:Price:MSRP: $2,871.95Now: $2,584.76Was: $2,871.95Subtotal: -
On Sale
Belt Drives Ltd 3" Belt Drive 1986-1989 Softail FXST EVOB-9T
BELT DRIVES LTD.
MSRP: $2,759.95Now: $2,483.96Was: $2,759.95If you're running a 1986-1989 Softail FXST, your belt drive is the critical link between engine and rear wheel—and a worn or inadequate system kills both reliability and performance. The Belt Drives Ltd EVOB-9T delivers precise power transfer with...11200252- SKU:
- 11200252
- Availability:
- Ships Same Business Day
- Weight:
- 37.90 LBS
- MATERIAL:
- KEVLAR
- PRODUCT NAME:
- BELT DRIVE KIT
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- MATERIAL:
- STEEL
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 3'
MSRP: $2,759.95Now: $2,483.96Was: $2,759.95Qty in Cart: 0Quantity:Price:MSRP: $2,759.95Now: $2,483.96Was: $2,759.95Subtotal: -
On Sale
Belt Drives Ltd 1-5/8" Belt Drive with Chain for 1980-1983 Harley-Davidson Tour Glide FLT EVBB-3T-5
BELT DRIVES LTD.
MSRP: $1,359.85Now: $1,005.26Was: $1,359.85If you're running a 1980-1983 Tour Glide FLT, this Belt Drives Ltd system delivers the reliability and smooth power delivery that separates a dialed-in machine from a maintenance headache. A quality belt drive eliminates chain stretch, reduces vibration,...11200253- SKU:
- 11200253
- Availability:
- Ships Same Business Day
- Weight:
- 15.80 LBS
- PRODUCT NAME:
- BELT DRIVE KIT
- RIDING STYLE:
- STREET
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- MATERIAL:
- STEEL
- UNITS:
- EACH
- WIDTH IMPERIAL:
- 1-5/8'
- MATERIAL:
- KEVLAR
MSRP: $1,359.85Now: $1,005.26Was: $1,359.85 -
BARNETT Drive Plate 401-30-047010
BARNETT
$8.79If you're running a high-performance clutch system, your drive plate is working under extreme thermal stress with every shift. The BARNETT 401-30-047010 delivers the precise engagement and durability you need to maintain consistent performance, whether...DS223746- SKU:
- DS223746
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- STREET
- DRIVE PLATE MATERIAL:
- STEEL
- TYPE:
- CLUTCH
- PRODUCT NAME:
- DRIVE PLATE
- UNITS:
- EACH
$8.79 -
BARNETT Drive Plate 401-30-063012
BARNETT
$8.79A reliable clutch drive plate is essential for maintaining consistent power transfer and shifting precision under demanding track conditions. The BARNETT 401-30-063012 is engineered to handle extreme heat cycles without degradation, ensuring predictable...DS223747- SKU:
- DS223747
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- STREET
- DRIVE PLATE MATERIAL:
- STEEL
- TYPE:
- CLUTCH
- PRODUCT NAME:
- DRIVE PLATE
- UNITS:
- EACH
$8.79 -
ALTO PRODUCTS Clutch Friction Plate Set 095752KA
ALTO PRODUCTS
$124.95A clutch that slips under load will cost you races and reliability. The ALTO PRODUCTS Friction Plate Set 095752KA delivers increased surface area to eliminate slipping while managing heat more effectively than OEM plates—critical for both street and...11310471- SKU:
- 11310471
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- FRICTION PLATE SET
- RIDING STYLE:
- STREET
- FRICTION PLATE MATERIAL:
- KEVLAR
- TYPE:
- CLUTCH
- UNITS:
- SET OF 7
$124.95 -
ALTO PRODUCTS Clutch Friction Plate Set 095752KC
ALTO PRODUCTS
$73.95Stock clutch friction plates struggle under sustained load and aggressive driving, leading to slipping and excessive heat that shortens clutch life. The ALTO PRODUCTS 095752KC friction plate set solves this with increased surface area and precision...11310473- SKU:
- 11310473
- Availability:
- Ships Same Business Day
- Weight:
- 2.82 LBS
- PRODUCT NAME:
- FRICTION PLATE SET
- FRICTION PLATE MATERIAL:
- KEVLAR
- TYPE:
- CLUTCH
- UNITS:
- SET OF 4
- RIDING STYLE:
- STREET
$73.95 -
ALTO PRODUCTS Clutch Friction Plate Set 095752KD
ALTO PRODUCTS
$90.95A quality clutch friction plate set is the foundation of reliable power transfer in any high-performance application. The ALTO PRODUCTS 095752KD delivers increased surface area to eliminate slipping while managing heat generation—critical when you're...11310474- SKU:
- 11310474
- Availability:
- Ships Same Business Day
- Weight:
- 3.41 LBS
- FRICTION PLATE MATERIAL:
- KEVLAR
- TYPE:
- CLUTCH
- UNITS:
- SET OF 5
- PRODUCT NAME:
- FRICTION PLATE SET
- RIDING STYLE:
- STREET
$90.95 -
ALTO PRODUCTS Clutch Friction Plate Set 095752KF
ALTO PRODUCTS
$122.95A slipping clutch costs you consistency on the track and reliability on the street. The ALTO PRODUCTS 095752KF Clutch Friction Plate Set delivers increased surface area and optimized heat dissipation to hold power without fade—whether you're running wet...11310476- SKU:
- 11310476
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- FRICTION PLATE MATERIAL:
- KEVLAR
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FRICTION PLATE SET
- TYPE:
- CLUTCH
- UNITS:
- SET OF 7
$122.95 -
ALTO PRODUCTS Clutch Friction Plate Set 095752KP
ALTO PRODUCTS
$126.95If your clutch is slipping under load or generating excessive heat, you're losing power delivery and risking catastrophic failure. The ALTO PRODUCTS Clutch Friction Plate Set 095752KP delivers increased surface area to maximize holding capacity while...11310477- SKU:
- 11310477
- Availability:
- Ships Same Business Day
- Weight:
- 1.03 LBS
- PRODUCT NAME:
- FRICTION PLATE SET
- RIDING STYLE:
- STREET
- UNITS:
- SET OF 9
- FRICTION PLATE MATERIAL:
- KEVLAR
- TYPE:
- CLUTCH
$126.95Qty in Cart: 0Quantity:Price:$126.95Subtotal: -
ALTO PRODUCTS Steel Plate Set 095753A
ALTO PRODUCTS
$42.95Steel plate sets are essential reinforcement components for high-stress chassis and suspension applications where structural integrity directly impacts performance and safety. Whether you're building a custom frame, upgrading suspension geometry, or...11310479- SKU:
- 11310479
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- PRODUCT NAME:
- PLATE SET
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- TYPE:
- CLUTCH
- UNITS:
- SET OF 5
$42.95
