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
MAGNUM Clutch Line 41876
MAGNUM
MSRP: $131.95Now: $122.71Was: $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...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
MSRP: $131.95Now: $122.71Was: $131.95Qty in Cart: 0Quantity:Price:MSRP: $131.95Now: $122.71Was: $131.95Subtotal: -
On Sale
MAGNUM Clutch Line 41878
MAGNUM
MSRP: $131.95Now: $122.71Was: $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...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
MSRP: $131.95Now: $122.71Was: $131.95 -
On Sale
MAGNUM Clutch Line 41880
MAGNUM
MSRP: $131.95Now: $122.71Was: $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,...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
MSRP: $131.95Now: $122.71Was: $131.95 -
On Sale
MAGNUM Clutch Line 41882
MAGNUM
MSRP: $137.95Now: $128.29Was: $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...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
MSRP: $137.95Now: $128.29Was: $137.95Qty in Cart: 0Quantity:Price:MSRP: $137.95Now: $128.29Was: $137.95Subtotal: -
On Sale
MAGNUM Hydraulic Clutch Line 41974
MAGNUM
MSRP: $127.95Now: $118.99Was: $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...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
MSRP: $127.95Now: $118.99Was: $127.95 -
On Sale
MAGNUM Clutch Line 41976
MAGNUM
MSRP: $132.95Now: $123.64Was: $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...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
MSRP: $132.95Now: $123.64Was: $132.95 -
On Sale
MAGNUM Hydraulic Clutch Line - 74" 41274CVO
MAGNUM
MSRP: $127.95Now: $118.99Was: $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...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
MSRP: $127.95Now: $118.99Was: $127.95 -
On Sale
MAGNUM Hydraulic Clutch Line - 76" 41276CVO
MAGNUM
MSRP: $130.95Now: $121.78Was: $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...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
MSRP: $130.95Now: $121.78Was: $130.95 -
On Sale
MAGNUM Hydraulic Clutch Line - 70" 41270CVO
MAGNUM
MSRP: $127.95Now: $118.99Was: $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...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
MSRP: $127.95Now: $118.99Was: $127.95 -
On Sale
MAGNUM Hydraulic Clutch Line - KARBONFIBR 71772
MAGNUM
MSRP: $131.95Now: $122.71Was: $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...11321592- SKU:
- 11321592
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
MSRP: $131.95Now: $122.71Was: $131.95Qty in Cart: 0Quantity:Price:MSRP: $131.95Now: $122.71Was: $131.95Subtotal: -
On Sale
MAGNUM Hydraulic Clutch Line - KARBONFIBR 71778
MAGNUM
MSRP: $127.95Now: $118.99Was: $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...11321594- SKU:
- 11321594
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
MSRP: $127.95Now: $118.99Was: $127.95 -
On Sale
MAGNUM Hydraulic Clutch Line - KARBONFIBR 71874
MAGNUM
MSRP: $131.95Now: $122.71Was: $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...11321595- SKU:
- 11321595
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
MSRP: $131.95Now: $122.71Was: $131.95 -
On Sale
MAGNUM Hydraulic Clutch Line - KARBONFIBR 71876
MAGNUM
MSRP: $135.95Now: $126.43Was: $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,...11321596- SKU:
- 11321596
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
MSRP: $135.95Now: $126.43Was: $135.95Qty in Cart: 0Quantity:Price:MSRP: $135.95Now: $126.43Was: $135.95Subtotal: -
On Sale
MAGNUM Hydraulic Clutch Line - KARBONFIBR 71878
MAGNUM
MSRP: $127.95Now: $118.99Was: $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...11321597- SKU:
- 11321597
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
MSRP: $127.95Now: $118.99Was: $127.95 -
On Sale
MAGNUM Clutch Line 31774
MAGNUM
MSRP: $129.95Now: $120.85Was: $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...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
MSRP: $129.95Now: $120.85Was: $129.95 -
On Sale
MAGNUM Clutch Line 31776
MAGNUM
MSRP: $134.95Now: $125.50Was: $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...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
MSRP: $134.95Now: $125.50Was: $134.95 -
On Sale
MAGNUM Clutch Line 31778
MAGNUM
MSRP: $134.95Now: $125.50Was: $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...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
MSRP: $134.95Now: $125.50Was: $134.95 -
On Sale
MAGNUM Clutch Line 31782
MAGNUM
MSRP: $140.95Now: $131.08Was: $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...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
MSRP: $140.95Now: $131.08Was: $140.95Qty in Cart: 0Quantity:Price:MSRP: $140.95Now: $131.08Was: $140.95Subtotal: -
On Sale
MAGNUM Clutch Line 31880
MAGNUM
MSRP: $134.95Now: $125.50Was: $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...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
MSRP: $134.95Now: $125.50Was: $134.95 -
On Sale
MAGNUM Hydraulic Clutch Line 41772
MAGNUM
MSRP: $126.95Now: $118.06Was: $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...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'
MSRP: $126.95Now: $118.06Was: $126.95
