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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DRAG SPECIALTIES 530 Series - O-Ring Chain - 110 Links MDS530POX110L2
DRAG SPECIALTIES
$157.83A properly maintained 530 O-ring chain is critical to reliable power transfer and longevity in high-demand riding conditions. This Drag Specialties chain combines factory pre-stretching, quad-pin riveting, and sealed O-rings to reduce friction losses...12220670- SKU:
- 12220670
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$157.83 -
DRAG SPECIALTIES 530 Series - O-Ring Chain - 112 Links MDS530POX112L2
DRAG SPECIALTIES
$160.57A 530 chain is the workhorse of mid-range performance engines, and this Drag Specialties O-ring unit delivers the durability and strength demanded by drag racing and high-RPM applications. The quad-pin riveting and sealed O-rings dramatically reduce wear...12220671- SKU:
- 12220671
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$160.57 -
DRAG SPECIALTIES 530 Series - O-Ring Chain - 120 Links MDS530POX120L2
DRAG SPECIALTIES
$171.41A reliable chain is non-negotiable for consistent power delivery and safety on the track or strip. The DRAG Specialties 530 Series O-Ring Chain combines quad-pin riveting with reinforced O-ring seals to eliminate power loss and extend service...12220672- SKU:
- 12220672
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$171.41 -
TRASK Assault Derby Cover - Matte Black - Big Twin TM-0040MBK
TRASK
$279.95A quality derby cover protects your primary case from debris and road damage while serving as a visual anchor for your bike's aesthetic. The TRASK Assault Derby Cover delivers precision-machined construction that complements high-performance air intake...11070749- SKU:
- 11070749
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
$279.95 -
TRASK Assault Derby Cover - Reverse Cut - Big Twin TM-0040RC
TRASK
$279.95A quality derby cover protects your top-end components while maintaining clean aesthetics under the hood. The TRASK Assault Derby Cover delivers precision-machined durability with the added benefit of a transparent acrylic window—so you can monitor your...11070750- SKU:
- 11070750
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
$279.95 -
TRASK Assault Derby Cover - Matte Black - Touring/Trike TM-0041MBK
TRASK
$279.95A quality derby cover does more than protect your primary cover from road debris and weather—it's a statement of craftsmanship that complements a premium air cleaner setup. The TRASK Assault Derby Cover combines precision CNC-machined billet aluminum...11070751- SKU:
- 11070751
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
$279.95 -
TRASK Assault Derby Cover - Reverse Cut - Touring/Trike TM-0041RC
TRASK
$279.95A quality derby cover protects your engine's internal components from debris and moisture while completing a cohesive, custom aesthetic. The TRASK Assault Derby Cover combines precision engineering with functional design—the reverse-cut billet...11070752- SKU:
- 11070752
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$279.95 -
TRASK Front Sprocket - 25 Tooth - Cush Drive TM-2901-6
TRASK
$145.95Gear ratios are the foundation of drivetrain performance, and a worn or damaged front sprocket will rob you of efficiency and throttle response. The TRASK 25-tooth front sprocket gives you the precision engagement and durability needed for consistent...12102759- SKU:
- 12102759
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 25
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- BLACK
- TYPE:
- CUSH DRIVE
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
$145.95 -
BAKER DRIVETRAIN Transmission Side Cover - Hydraulic - M8 - Polish M8-10602-A
BAKER DRIVETRAIN
$524.95A hydraulic transmission side cover is critical for smooth, reliable clutch actuation in high-performance racing applications. The Baker Drivetrain M8-10602-A delivers precise engagement through a purpose-built hydraulic system, eliminating mechanical...11070727- SKU:
- 11070727
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
- COLOR/FINISH:
- POLISHED
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- SIDE COVER
- TRANSMISSION TYPE:
- HYDRAULIC
- TYPE:
- TRANSMISSION
$524.95 -
BAKER DRIVETRAIN Transmission Side Cover - Hydraulic - M8 - Black M8-10603-A
BAKER DRIVETRAIN
$524.95If you're running a manual transmission with hydraulic actuation, your side cover needs to handle real-world pressure without compromise. The BAKER DRIVETRAIN M8-10603-A delivers a purpose-built solution that clears modern exhaust systems while providing...11070728- SKU:
- 11070728
- Availability:
- Ships Same Business Day
- Weight:
- 3.71 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SIDE COVER
- TRANSMISSION TYPE:
- HYDRAULIC
- UNITS:
- KIT
- TYPE:
- TRANSMISSION
$524.95 -
BAKER DRIVETRAIN Shift Drum Kit - 5-Speed '98-'00 FLT/FLH/Dyna, '98-'99 Softail 171-5-A
BAKER DRIVETRAIN
$373.95Stock shift drums introduce unnecessary friction and weight that compromise shift quality and increase rider fatigue over long rides. The BAKER DRIVETRAIN Shift Drum Kit eliminates both through precision engineering—optimized grooves guide the shift fork...11100111- SKU:
- 11100111
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- PRODUCT NAME:
- SHIFT DRUM
- TYPE:
- 5-SPEED
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$373.95Qty in Cart: 0Quantity:Price:$373.95Subtotal: -
BAKER DRIVETRAIN Shift Drum Kit - 5-Speed '01-'06 FLT/FLH, '01-'05 Dyna, '00-'06 Softail 172-5-A
BAKER DRIVETRAIN
$598.95A smooth, consistent shift feel is foundational to reliable transmission performance, especially in high-demand riding conditions. Baker's Shift Drum Kit reduces shift effort through optimized barrel geometry and lightweight design, while the reinforced...11100112- SKU:
- 11100112
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- PRODUCT NAME:
- SHIFT DRUM
- TYPE:
- 5-SPEED
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$598.95 -
BAKER DRIVETRAIN N1 Shift Drum Kit - 5-Speed '98-'00 FLT/FLH/Dyna, '98-'99 Softail N171-5-A
BAKER DRIVETRAIN
$373.95False neutrals during hard 1-2 upshifts can cost you critical time on the track and compromise your bike's reliability. The Baker Drivetrain N1 Shift Drum Kit eliminates this problem with a purpose-built neutral-1-2-3-4-5 shift pattern that keeps your...11100113- SKU:
- 11100113
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- TYPE:
- 5-SPEED
- UNITS:
- KIT
- MODEL:
- N1
- PRODUCT NAME:
- SHIFT DRUM
- RIDING STYLE:
- STREET
$373.95Qty in Cart: 0Quantity:Price:$373.95Subtotal: -
BAKER DRIVETRAIN N1 Shift Drum Kit - 5-Speed '01-'06 FLT/FLH, '01-'05 Dyna, '00-'06 Softail N172-5-A
BAKER DRIVETRAIN
$598.95Aggressive 1-2 upshifts demand a transmission that won't betray you with false neutrals when you need precision most. The Baker N1 Shift Drum Kit eliminates this vulnerability by repositioning neutral underneath 1st gear, keeping you in full control...11100114- SKU:
- 11100114
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- RIDING STYLE:
- STREET
- TYPE:
- 5-SPEED
- UNITS:
- KIT
- MODEL:
- N1
- PRODUCT NAME:
- SHIFT DRUM
$598.95 -
BAKER DRIVETRAIN Heavy Duty Throwout Bearing Kit TBK-56L
BAKER DRIVETRAIN
$98.95Stock throwout bearings are a common failure point under sustained high-performance driving, leading to costly clutch system rebuilds and track downtime. The BAKER Heavy Duty Throwout Bearing Kit TBK-56L addresses this vulnerability with...11060245- SKU:
- 11060245
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING KIT
- RIDING STYLE:
- STREET
- TYPE:
- THROWOUT
$98.95 -
BAKER DRIVETRAIN Transmission Side Cover - Mechanical - Big Twin - Wrinkle Black BD-10603-A
BAKER DRIVETRAIN
$298.95A clean, functional transmission cover that doesn't compromise clearance or aesthetics. The Baker Drivetrain side cover delivers minimalist design without sacrificing the practical features you need—like straightforward side filling and full exhaust pipe...11070729- SKU:
- 11070729
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SIDE COVER
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- TRANSMISSION TYPE:
- MECHANICAL
- TYPE:
- TRANSMISSION
- COLOR/FINISH:
- WRINKLE BLACK
- UNITS:
- KIT
$298.95 -
BAKER DRIVETRAIN Transmission Side Cover - Mechanical - Big Twin - Gloss Black BD-10605-A
BAKER DRIVETRAIN
$298.95A clean, functional transmission cover that doesn't compromise clearance or compatibility is essential for any Big Twin build. The BAKER DRIVETRAIN Transmission Side Cover delivers a minimalist aesthetic while maintaining full access to the transmission...11070730- SKU:
- 11070730
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- TRANSMISSION TYPE:
- MECHANICAL
- COLOR/FINISH:
- GLOSS BLACK
- MATERIAL:
- 6061 T-6 BILLET ALUMINUM
- TYPE:
- TRANSMISSION
- UNITS:
- KIT
- PRODUCT NAME:
- SIDE COVER
- RIDING STYLE:
- STREET
$298.95 -
ALTO PRODUCTS Friction Plate - Indian 095792-345
ALTO PRODUCTS
$22.95Clutch performance directly impacts your bike's acceleration, responsiveness, and longevity on the track or road. ALTO Products friction plates are engineered with Carbonite friction material to deliver consistent engagement, superior heat dissipation,...11313890- SKU:
- 11313890
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- PRODUCT NAME:
- FRICTION PLATE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$22.95 -
ALTO PRODUCTS Steel Plate - Indian 095793-226
ALTO PRODUCTS
$16.95Clutch pack assembly requires precision-engineered steel plates that won't warp under extreme friction and heat cycles. ALTO Products' steel plate meets or exceeds OEM specifications, ensuring consistent clutch engagement and reliable power transfer...11313889- SKU:
- 11313889
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- DRIVE PLATE (STEEL PLATE)
- UNITS:
- EACH
$16.95 -
DRAG SPECIALTIES Compensator Spring Pack - '09-'22 241276
DRAG SPECIALTIES
$81.05A worn or failing compensator spring directly impacts clutch engagement consistency and overall drivetrain reliability—especially critical if you're running your bike hard or putting serious miles on it. This OEM-quality replacement restores factory-spec...11200444- SKU:
- 11200444
- Availability:
- Ships Same Business Day
- Weight:
- 3.68 LBS
- TYPE:
- SPRING
- UNITS:
- PACK
- PRODUCT NAME:
- COMPENSATOR
- RIDING STYLE:
- STREET
$81.05
