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 Primary Chain - 428-2 x 92 C226T3/009
DRAG SPECIALTIES
$154.45Improved fatigue resistance, Pre-loaded to reduce initial elongation, Endless construction using high-quality raw materials for long life, Made in Italy11200285- SKU:
- 11200285
- Availability:
- Ships Same Business Day
- Weight:
- 3.90 LBS
- UNITS:
- EACH
- NUMBER OF LINKS:
- 92
- PRODUCT NAME:
- PRIMARY CHAIN
- RIDING STYLE:
- STREET
$154.45 -
DRAG SPECIALTIES Organic Plates 1131-0425
DRAG SPECIALTIES
$102.95Designed 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.11310425- SKU:
- 11310425
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- MATERIAL:
- ORGANIC
- RIDING STYLE:
- STREET
- STYLE:
- OEM REPLACEMENT
- TYPE:
- CLUTCH
- UNITS:
- SET OF 8
- PRODUCT NAME:
- FRICTION PLATE
$102.95 -
DRAG SPECIALTIES Steel Plates 1131-0431
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.11310431- SKU:
- 11310431
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- DRIVE PLATE
- TYPE:
- CLUTCH
- UNITS:
- SET OF 7
- RIDING STYLE:
- STREET
$38.06 -
DRAG SPECIALTIES Aramid Fiber Plates 1131-0420
DRAG SPECIALTIES
$115.31Designed 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.11310420- SKU:
- 11310420
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
- MATERIAL:
- ARAMID FIBER
- RIDING STYLE:
- STREET
- UNITS:
- SET OF 8
- PRODUCT NAME:
- FRICTION PLATE
- TYPE:
- CLUTCH
$115.31 -
DRAG SPECIALTIES Steel Plates 1131-0430
DRAG SPECIALTIES
$31.88Designed 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.11310430- SKU:
- 11310430
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- DRIVE PLATE
- MATERIAL:
- STEEL
- TYPE:
- CLUTCH
- RIDING STYLE:
- STREET
- UNITS:
- SET OF 6
$31.88 -
DRAG SPECIALTIES Rear Drive Belt - 128-Tooth - 1 1/8" BDL SPC-128-118
DRAG SPECIALTIES
$250.59Carbon fiber reinforced Goodyear engineered Falcon SPC™ belts offer up to 33 percent more tensile strength than conventional aramid reinforced belts, High-temperature rubber compound offers excellent flex and long service life, Fabric reinforced belt...12040042- SKU:
- 12040042
- Availability:
- Ships Same Business Day
- Weight:
- 1.96 LBS
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- WIDTH IMPERIAL:
- 1-1/8'
- PRODUCT NAME:
- BELT
- TOOTH COUNT:
- 128
- UNITS:
- EACH
- TYPE:
- REAR DRIVE
$250.59 -
DRAG SPECIALTIES Primary Sprocket 191200
DRAG SPECIALTIES
$232.73Solid steel one-piece design, 34-tooth sprocket, Kit is spring-less and much quieter than the stock or diaphragm spring-style compensators, Eliminates the need for a complete compensator assembly, Kit includes washer, spacer and instructions, Retain and...11200390- SKU:
- 11200390
- Availability:
- Ships Same Business Day
- Weight:
- 4.75 LBS
- PRODUCT NAME:
- SPROCKET KIT
- TYPE:
- COMPENSATING
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 34
$232.73 -
DRAG SPECIALTIES Aramid Fiber Plates 1131-0419
DRAG SPECIALTIES
$142.09Designed 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.11310419- SKU:
- 11310419
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- UNITS:
- SET OF 9
- PRODUCT NAME:
- FRICTION PLATE
- TYPE:
- CLUTCH
- MATERIAL:
- ARAMID FIBER
- RIDING STYLE:
- STREET
$142.09 -
DRAG SPECIALTIES Steel Plates 1131-0429
DRAG SPECIALTIES
$42.18Designed 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.11310429- SKU:
- 11310429
- Availability:
- Ships Same Business Day
- Weight:
- 1.41 LBS
- TYPE:
- CLUTCH
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- DRIVE PLATE
- UNITS:
- SET OF 8
$42.18 -
DRAG SPECIALTIES Inner Primary Bearing 20-2037
DRAG SPECIALTIES
$34.25Fits most OEM and most aftermarket inner primaries11200306- SKU:
- 11200306
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- TYPE:
- INNER PRIMARY
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$34.25 -
DRAG SPECIALTIES Kickstarter Shaft 26-0261
DRAG SPECIALTIES
$29.82DRAG SPECIALTIES Kickstarter ShaftDS196008- SKU:
- DS196008
- Availability:
- Ships Same Business Day
- Weight:
- 1.19 LBS
- PRODUCT NAME:
- KICKSTARTER SHAFT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$29.82 -
DRAG SPECIALTIES Kickstarter Ratchet Gear Kit 26-0267/8SC2
DRAG SPECIALTIES
$92.65Undercut-tooth design and plate kit offers sure, positive engagementDS194118- SKU:
- DS194118
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- KICKSTARTER KIT
- RIDING STYLE:
- STREET
- FEATURES:
- INCLUDES 1.047' SPACER
$92.65 -
DRAG SPECIALTIES Primary Chain - 428-2 x 86 C226T3/004
DRAG SPECIALTIES
$128.70Improved fatigue resistance, Pre-loaded to reduce initial elongation, Endless construction using high-quality raw materials for long life, Made in Italy11200284- SKU:
- 11200284
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
- UNITS:
- EACH
- NUMBER OF LINKS:
- 86
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PRIMARY CHAIN
$128.70 -
DRAG SPECIALTIES Transmission Top Cover - Chrome 302102
DRAG SPECIALTIES
$84.41Beautifully complements other chrome or flat black engine and transmission pieces, Kit 2401-0618 includes two 1/4" - 24 long screws, OEM #1765W; nine 1/4" - 24 short screws, OEM #1766W and one breather screw, OEM #34720-56, Made in the U.S.A.11050018- SKU:
- 11050018
- Availability:
- Ships Same Business Day
- Weight:
- 1.14 LBS
- COLOR/FINISH:
- CHROME
- COLOR/FINISH:
- POWDER-COATED
- RIDING STYLE:
- STREET
- MOUNTING STYLE:
- 5 HOLE
- PRODUCT NAME:
- COVER
- TYPE:
- TRANSMISSION TOP
- UNITS:
- EACH
$84.41 -
DRAG SPECIALTIES Sprocket Cover - Polished - '04-'19 XL D26-0409
DRAG SPECIALTIES
$109.13High-quality cast aluminum construction, Mount with existing OEM mounting hardware11070278- SKU:
- 11070278
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- COLOR/FINISH:
- POLISHED
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- TYPE:
- SPROCKET
$109.13 -
DRAG SPECIALTIES Compensating Sprocket Nut - '70-'90 346191
DRAG SPECIALTIES
$19.71Replacement compensating nut for a smoother ride20173462- SKU:
- 20173462
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- NUT
- TYPE:
- COMPENSATING SPROCKET
- RIDING STYLE:
- STREET
$19.71 -
DRAG SPECIALTIES Clutch Retainer 17-0014-HC
DRAG SPECIALTIES
$14.37Spring retainer prevents clutch drum from forcing the spinning discs together when the clutch is disengaged, leaving room for the discs to spin freely, Reduces grabbing and gives smoother shifting and longer clutch life, Fits models with belt or chain...11320090- SKU:
- 11320090
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- SPRING RETAINER
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH
- UNITS:
- EACH
$14.37 -
DRAG SPECIALTIES Clutch Release Lever 07-0306
DRAG SPECIALTIES
$41.15For use with tin primary applications11320599- SKU:
- 11320599
- Availability:
- Ships Same Business Day
- Weight:
- 0.91 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- UNITS:
- EACH
- PRODUCT NAME:
- LEVER
- TYPE:
- CLUTCH RELEASE
- COLOR/FINISH:
- CHROME
$41.15Qty in Cart: 0Quantity:Price:$41.15Subtotal: -
DRAG SPECIALTIES Clutch Finger Pivot Shaft 17-0061
DRAG SPECIALTIES
$20.55High-quality OEM replacement component11320601- SKU:
- 11320601
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- PIVOT SHAFT
- TYPE:
- CLUTCH FINGER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$20.55 -
DRAG SPECIALTIES Clutch Release Finger 17-0062
DRAG SPECIALTIES
$18.49High-quality OEM replacement component, For use with 36-84 Big Twin 4-speed11320602- SKU:
- 11320602
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FINGER
- TYPE:
- CLUTCH RELEASE
$18.49
