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
-
MAGNUM Clutch Line 41876
MAGNUM
$131.95A factory clutch line can fail under sustained track conditions or aggressive riding, leaving you stranded or worse—unable to modulate power delivery when it matters most. The MAGNUM Clutch Line 41876 replaces OEM rubber with aerospace-grade materials...11321095- SKU:
- 11321095
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BRAND SPECIFIC COLOR:
- BLACK PEARL
- CONNECTOR TYPE:
- 10 MM 35° BANJO FITTING
- TYPE:
- HYDRAULIC
- COLOR/FINISH:
- BLACK
- LENGTH IMPERIAL:
- 76'
- PRODUCT NAME:
- CLUTCH LINE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
$131.95Qty in Cart: 0Quantity:Price:$131.95Subtotal: -
MAGNUM Clutch Line 41878
MAGNUM
$131.95A hydraulic clutch line is only as good as its ability to maintain consistent pressure and resist degradation under extreme conditions. The MAGNUM Clutch Line 41878 eliminates mushy engagement and unreliable performance by combining PTFE inner tubing...11321096- SKU:
- 11321096
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- CLUTCH LINE
- UNITS:
- EACH
- BRAND SPECIFIC COLOR:
- BLACK PEARL
- CONNECTOR TYPE:
- 10 MM 35° BANJO FITTING
- LENGTH IMPERIAL:
- 78'
- TYPE:
- HYDRAULIC
$131.95 -
MAGNUM Clutch Line 41880
MAGNUM
$131.95A hydraulic clutch line is only as reliable as its ability to maintain consistent pressure and resist degradation under the demands of performance riding. The MAGNUM Clutch Line 41880 replaces mushy, stock components with PTFE inner tubing and Kevlar...11321097- SKU:
- 11321097
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- TYPE:
- HYDRAULIC
- CONNECTOR TYPE:
- 10 MM 35° BANJO FITTING
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- CLUTCH LINE
- LENGTH IMPERIAL:
- 80'
- BRAND SPECIFIC COLOR:
- BLACK PEARL
- UNITS:
- EACH
$131.95 -
MAGNUM Clutch Line 41882
MAGNUM
$137.95Stock clutch lines are prone to degradation, flex, and inconsistent engagement—especially under sustained track or high-performance riding. The MAGNUM Clutch Line 41882 delivers precise, responsive hydraulic clutch modulation through a purpose-built...11321098- SKU:
- 11321098
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- RIDING STYLE:
- STREET
- LENGTH IMPERIAL:
- 82'
- MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- BRAND SPECIFIC COLOR:
- BLACK PEARL
- CONNECTOR TYPE:
- 10 MM 35° BANJO FITTING
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CLUTCH LINE
- TYPE:
- HYDRAULIC
$137.95Qty in Cart: 0Quantity:Price:$137.95Subtotal: -
MAGNUM Hydraulic Clutch Line 41974
MAGNUM
$127.95A hydraulic clutch line is only as good as its fittings—cheap adapters introduce leak points, inconsistent feel, and premature wear. The MAGNUM Hydraulic Clutch Line 41974 eliminates that weak link with stainless steel transmission fittings that bolt...11321111- SKU:
- 11321111
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 74'
- RIDING STYLE:
- STREET
- CONNECTOR TYPE:
- 10 MM 90° BANJO FITTING
- PRODUCT NAME:
- CLUTCH LINE
- TYPE:
- HYDRAULIC
- BRAND SPECIFIC COLOR:
- BLACK PEARL
$127.95 -
MAGNUM Clutch Line 41976
MAGNUM
$132.95Stock clutch lines are prone to swelling, cracking, and inconsistent pressure modulation—issues that compromise both control and safety. The MAGNUM Clutch Line 41976 replaces these vulnerabilities with a purpose-engineered assembly that delivers precise...11321112- SKU:
- 11321112
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- CONNECTOR TYPE:
- 10 MM 90° BANJO FITTING
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- CLUTCH LINE
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- LENGTH IMPERIAL:
- 76'
- RIDING STYLE:
- STREET
- TYPE:
- HYDRAULIC
- BRAND SPECIFIC COLOR:
- BLACK PEARL
$132.95 -
MAGNUM Hydraulic Clutch Line - 74" 41274CVO
MAGNUM
$127.95When you're relocating calipers or converting to a different brake configuration, OEM brake lines simply won't reach. The MAGNUM Hydraulic Clutch Line gives you the precise length and routing flexibility you need without sacrificing performance, thanks...11321482- SKU:
- 11321482
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- RIDING STYLE:
- STREET
- TYPE:
- HYDRAULIC
- PRODUCT NAME:
- CLUTCH LINE
- UNITS:
- EACH
- BRAND SPECIFIC COLOR:
- BLACK PEARL
- CONNECTOR TYPE:
- 10 MM 35° BANJO FITTING
- LENGTH IMPERIAL:
- 74'
- MATERIAL:
- DUPONT™ KEVLAR®
- MATERIAL:
- PTFE
$127.95 -
MAGNUM Hydraulic Clutch Line - 76" 41276CVO
MAGNUM
$130.95If you're relocating brake calipers or upgrading to a dual-disc setup, stock brake lines won't cut it. The MAGNUM Hydraulic Clutch Line gives you the extended reach and precision fitment you need without compromising braking performance or reliability...11321483- SKU:
- 11321483
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- LENGTH IMPERIAL:
- 76'
- MATERIAL:
- DUPONT™ KEVLAR®
- RIDING STYLE:
- STREET
- TYPE:
- HYDRAULIC
- BRAND SPECIFIC COLOR:
- BLACK PEARL
- CONNECTOR TYPE:
- 10 MM 35° BANJO FITTING
- PRODUCT NAME:
- CLUTCH LINE
- MATERIAL:
- PTFE
- UNITS:
- EACH
$130.95 -
MAGNUM Hydraulic Clutch Line - 70" 41270CVO
MAGNUM
$127.95Precision brake performance demands precision brake lines—and the MAGNUM Hydraulic Clutch Line delivers exactly that. Whether you're relocating calipers for custom setups or converting to a single-disc configuration, this CNC-precision engineered line...11321484- SKU:
- 11321484
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- LENGTH IMPERIAL:
- 70'
- MATERIAL:
- DUPONT™ KEVLAR®
- TYPE:
- HYDRAULIC
- BRAND SPECIFIC COLOR:
- BLACK PEARL
- CONNECTOR TYPE:
- 10 MM 35° BANJO FITTING
- PRODUCT NAME:
- CLUTCH LINE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- PTFE
$127.95 -
MAGNUM Hydraulic Clutch Line - KARBONFIBR 71772
MAGNUM
$131.95OEM clutch lines expand and flex under pressure, robbing you of pedal feel and response precision. The MAGNUM Hydraulic Clutch Line eliminates expansion with a carbon fiber-reinforced construction that maintains consistent hydraulic pressure from the...11321592- SKU:
- 11321592
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$131.95 -
MAGNUM Hydraulic Clutch Line - KARBONFIBR 71778
MAGNUM
$127.95Stock hydraulic clutch lines are prone to expansion under high pressure, causing inconsistent pedal feel and delayed engagement when you need precision most. The MAGNUM Hydraulic Clutch Line eliminates that problem with a reinforced design that maintains...11321594- SKU:
- 11321594
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$127.95 -
MAGNUM Hydraulic Clutch Line - KARBONFIBR 71874
MAGNUM
$131.95Stock clutch lines expand under pressure and flex under load, robbing you of precise pedal feel and consistent engagement during hard driving. The MAGNUM Hydraulic Clutch Line delivers rock-solid pedal response and eliminates the sponginess that...11321595- SKU:
- 11321595
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
$131.95 -
MAGNUM Hydraulic Clutch Line - KARBONFIBR 71876
MAGNUM
$135.95Factory rubber clutch lines expand and flex under pressure, robbing you of precise pedal feel and consistent engagement. The MAGNUM Hydraulic Clutch Line eliminates that compliance with a rigid, purpose-built design that delivers direct feedback from...11321596- SKU:
- 11321596
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$135.95Qty in Cart: 0Quantity:Price:$135.95Subtotal: -
MAGNUM Hydraulic Clutch Line - KARBONFIBR 71878
MAGNUM
$127.95A hydraulic clutch line is one of the most critical components in your drivetrain's pressure system—any flex, expansion, or failure under load directly compromises your ability to modulate clutch engagement consistently. The MAGNUM Hydraulic Clutch Line...11321597- SKU:
- 11321597
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$127.95 -
MAGNUM Clutch Line 31774
MAGNUM
$129.95If you're running a hydraulic clutch system on your Harley or V-Rod, your clutch line is a critical wear component that directly impacts engagement feel and reliability. A factory line deteriorates over time—cracking inner tubes and degraded outer...11321026- SKU:
- 11321026
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- TYPE:
- HYDRAULIC
- BRAND SPECIFIC COLOR:
- STERLING CHROMITE II
- CONNECTOR TYPE:
- 10 MM STRAIGHT BANJO FITTING
- PRODUCT NAME:
- CLUTCH LINE
- COLOR/FINISH:
- CHROME
- LENGTH IMPERIAL:
- 74'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
$129.95 -
MAGNUM Clutch Line 31776
MAGNUM
$134.95A factory clutch line will eventually degrade under heat and pressure, compromising your lever feel and clutch engagement precisely when you need it most. The MAGNUM Clutch Line 31776 replaces OEM lines with premium materials engineered for consistent...11321027- SKU:
- 11321027
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BRAND SPECIFIC COLOR:
- STERLING CHROMITE II
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- LENGTH IMPERIAL:
- 76'
- PRODUCT NAME:
- CLUTCH LINE
- RIDING STYLE:
- STREET
- TYPE:
- HYDRAULIC
- CONNECTOR TYPE:
- 10 MM STRAIGHT BANJO FITTING
- MATERIAL:
- STAINLESS STEEL
$134.95Qty in Cart: 0Quantity:Price:$134.95Subtotal: -
MAGNUM Clutch Line 31778
MAGNUM
$134.95Stock clutch lines are prone to swelling, failure, and inconsistent feel—compromising both safety and ride quality. The MAGNUM Clutch Line 31778 delivers rock-solid hydraulic response with military-grade materials and precise fitment, giving you the...11321028- SKU:
- 11321028
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BRAND SPECIFIC COLOR:
- STERLING CHROMITE II
- TYPE:
- HYDRAULIC
- CONNECTOR TYPE:
- 10 MM STRAIGHT BANJO FITTING
- MATERIAL:
- STAINLESS STEEL
- COLOR/FINISH:
- CHROME
- LENGTH IMPERIAL:
- 78'
- PRODUCT NAME:
- CLUTCH LINE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$134.95 -
MAGNUM Clutch Line 31782
MAGNUM
$140.95Stock clutch lines are prone to ballooning under pressure, leading to mushy engagement and unpredictable feel at the lever. The MAGNUM Clutch Line 31782 eliminates this problem with a PTFE inner tube reinforced by DuPont Kevlar aramid fiber, delivering...11321030- SKU:
- 11321030
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BRAND SPECIFIC COLOR:
- STERLING CHROMITE II
- CONNECTOR TYPE:
- 10 MM STRAIGHT BANJO FITTING
- PRODUCT NAME:
- CLUTCH LINE
- TYPE:
- HYDRAULIC
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 82'
- MATERIAL:
- STAINLESS STEEL
$140.95Qty in Cart: 0Quantity:Price:$140.95Subtotal: -
MAGNUM Clutch Line 31880
MAGNUM
$134.95A hydraulic clutch line is only as reliable as its construction, and the MAGNUM Clutch Line 31880 delivers the durability and responsiveness that serious riders demand. Built with aerospace-grade materials and engineered to withstand extreme pressure...11321046- SKU:
- 11321046
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BRAND SPECIFIC COLOR:
- STERLING CHROMITE II
- CONNECTOR TYPE:
- 10 MM 35° BANJO FITTING
- LENGTH IMPERIAL:
- 80'
- MATERIAL:
- STAINLESS STEEL
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- CLUTCH LINE
- RIDING STYLE:
- STREET
- TYPE:
- HYDRAULIC
- UNITS:
- EACH
$134.95 -
MAGNUM Hydraulic Clutch Line 41772
MAGNUM
$126.95If you're running a hydraulic clutch system, line integrity is non-negotiable—a single failure leaves you stranded or worse. The MAGNUM Hydraulic Clutch Line 41772 eliminates adapter clutter with direct stainless steel transmission fittings, giving you a...11321076- SKU:
- 11321076
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- TYPE:
- HYDRAULIC
- BRAND SPECIFIC COLOR:
- BLACK PEARL
- CONNECTOR TYPE:
- 10 MM STRAIGHT BANJO FITTING
- PRODUCT NAME:
- CLUTCH LINE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 72'
$126.95
