Harley Transmission Internal Components
Harley Bike Transmission Internal Components at JJ Motorsports
Rebuild your Harley's transmission with premium internal components from JJ Motorsports, featuring high-strength countershafts, sealed bearings, and detent springs for smoother shifting and long-lasting durability on Big Twin, Evo, and Twin Cam models. These precision parts ensure reliable gear engagement and reduced noise.
Shop Andrews, JIMS, and Eastern Motorcycle Parts transmission internals for OEM-quality performance. Explore related categories such as Harley drivetrain for clutches and chains, or Harley for exhaust and cams to complete your rebuild.
Top Harley Transmission Internal Components
- Andrews Countershaft 296700 – High-strength countershaft for 5-speed transmissions; heat-treated for smooth shifting on Evo Big Twins.
- JIMS Bearing 8998K – Sealed mainshaft bearing; precision fit for reduced vibration in Twin Cam models.
- Eastern Motorcycle Parts Detent Spring A-34483-02 – OEM-spec detent spring for shift forks; restores crisp gear selection on Sportster and Dyna.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
EASTERN MOTORCYCLE PARTS Motor Sprocket Shaft Spacers 40-0149
EASTERN MOTORCYCLE PARTS
$38.95Made in the U.S.A.11060074- SKU:
- 11060074
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- SPACER
- RIDING STYLE:
- STREET
- TYPE:
- SPROCKET SHAFT
- UNITS:
- EACH
$38.95 -
EASTERN MOTORCYCLE PARTS Mainshafter - Spacer A-33344-94
EASTERN MOTORCYCLE PARTS
$52.95Mainshaft component for 5-speedDS194281- SKU:
- DS194281
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPACER
- TYPE:
- MAINSHAFT
- UNITS:
- EACH
- STYLE:
- SPROCKET
$52.95 -
EASTERN MOTORCYCLE PARTS Bearing Inner Race A-34091-85
EASTERN MOTORCYCLE PARTS
$47.95Mainshaft component for 5-speedDS194053- SKU:
- DS194053
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- TYPE:
- FIFTH GEAR
- PRODUCT NAME:
- BEARING RACE
- STYLE:
- INNER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$47.95 -
EASTERN MOTORCYCLE PARTS Clutch Hub Keys A-37523-15
EASTERN MOTORCYCLE PARTS
$22.70Made in the U.S.A.DS194360- SKU:
- DS194360
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- RIDING STYLE:
- STREET
- TYPE:
- MAINSHAFT
- PRODUCT NAME:
- KEY
- UNITS:
- 10 PACK
- TYPE:
- CLUTCH HUB
$22.70 -
EASTERN MOTORCYCLE PARTS Bearing - 8992A A-8992A
EASTERN MOTORCYCLE PARTS
$22.95High-quality replacement OEM components11060070- SKU:
- 11060070
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BEARING
- UNITS:
- EACH
- STYLE:
- OEM REPLACEMENT
$22.95 -
EASTERN MOTORCYCLE PARTS Mainshaft - Ball Bearing A-8996
EASTERN MOTORCYCLE PARTS
$38.95Mainshaft component for 5-speed11060071- SKU:
- 11060071
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- STYLE:
- CLUTCH SIDE
- UNITS:
- EACH
- PRODUCT NAME:
- BALL BEARING
- RIDING STYLE:
- STREET
- TYPE:
- MAINSHAFT
$38.95 -
EASTERN MOTORCYCLE PARTS Release Finger - 37084-79 A-37084-79
EASTERN MOTORCYCLE PARTS
$26.95High-quality, precision made OEM replacement component, For use with 5-speed transmissions11060183- SKU:
- 11060183
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- STEEL
- STYLE:
- OEM REPLACEMENT
- TRANSMISSION TYPE:
- 5 SPEED
- TYPE:
- CLUTCH RELEASE FINGER
- PRODUCT NAME:
- RELEASE FINGER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$26.95 -
EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacers - 0.060" A-24032-70
EASTERN MOTORCYCLE PARTS
$13.30The only way to properly space/align the front motor sprocket or belt drive pulley, Made in the U.S.A.DS196136- SKU:
- DS196136
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- TYPE:
- SPROCKET
- UNITS:
- 5 PACK
$13.30 -
EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacers - 0.090" A-24033-70
EASTERN MOTORCYCLE PARTS
$13.30The only way to properly space/align the front motor sprocket or belt drive pulley, Made in the U.S.A.DS196137- SKU:
- DS196137
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- SPROCKET
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
$13.30 -
Jims Transmission Sprocket Spacer for Harley-Davidson Road King 1994-2006 33344-94
JIMS
$52.95Enhance the performance and longevity of your motorcycle with the JIMS Transmission Sprocket Spacer 33344-94. Designed for precision and durability, this spacer ensures a smooth operation and optimal seal life. Proudly made in the U.S.A., it is an...DS197062- SKU:
- DS197062
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- STREET
- LENGTH:
- 0.600'
- PRODUCT NAME:
- TRANSMISSION SPROCKET SPACER
- TRANSMISSION TYPE:
- 5 SPEED
- TRANSMISSION TYPE:
- 6 SPEED
- UNITS:
- EACH
$52.95 -
Jims 5th Gear Mainshaft with Bearings and Seal for Harley-Davidson FLHR Road King 1994-1995 8296
JIMS
$445.95Upgrade your motorcycle's performance with the JIMS Mainshaft, designed specifically for 5th gear applications. This high-quality component ensures smooth operation and durability, making it an essential choice for any serious rider. Each unit is sold...11060036- SKU:
- 11060036
- Availability:
- Ships Same Business Day
- Weight:
- 2.39 LBS
- FEATURES:
- INCLUDES BEARINGS
- PRODUCT NAME:
- GEAR
- TRANSMISSION TYPE:
- 5 SPEED
- UNITS:
- EACH
- TYPE:
- MAIN DRIVE GEAR
- FEATURES:
- INCLUDES SEAL
- RIDING STYLE:
- STREET
- TYPE:
- MAINSHAFT
$445.95 -
Jims Transmission Sprocket Spacer for Harley-Davidson Softail 1986-1994 33334-85
JIMS
$52.95Enhance the performance and longevity of your motorcycle with the JIMS Transmission Sprocket Spacer 33334-85. Designed for optimal fit and durability, this spacer ensures a smooth operation while protecting your seal life. Proudly made in the U.S.A.,...DS197053- SKU:
- DS197053
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- LENGTH:
- 0.850'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- TRANSMISSION SPROCKET SPACER
- TRANSMISSION TYPE:
- 5 SPEED
$52.95 -
Jims Transmission Door Bearings for Harley-Davidson 1993-1998 Dyna Low Rider FXDL 8998K
JIMS
$43.95The JIMS Bearing 8998K is a high-performance component engineered for durability and precision. Proudly made in the U.S.A., this bearing is designed to enhance the efficiency and reliability of your machinery. Experience superior craftsmanship and...DS197063- SKU:
- DS197063
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- TRANSMISSION TYPE:
- 5 SPEED
- UNITS:
- 2 PACK
- PRODUCT NAME:
- BEARING
- TYPE:
- TRAP DOOR
$43.95 -
Jims Transmission Main Bearing Race for Harley-Davidson FLH 1965-1977 35125-37
JIMS
$109.95Enhance the performance and longevity of your motorcycle with the JIMS Mainshaft Bearing Race 35125-37. Designed for precision fit and superior durability, this bearing race is an essential component for smooth operation and reliability. Whether you're a...DS195016- SKU:
- DS195016
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- BEARING RACE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- MAIN BEARING
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
EASTERN MOTORCYCLE PARTS Shifter Shaft - 34628-75 A-34628-75
EASTERN MOTORCYCLE PARTS
$36.95Meets or exceeds OEM standards, Includes the ball11060087- SKU:
- 11060087
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- SHIFT LEVER SHAFT
- RIDING STYLE:
- STREET
- STYLE:
- OEM REPLACEMENT
$36.95 -
EASTERN MOTORCYCLE PARTS Sprocket Shaft Nut - 35047-71A A-35047-71A
EASTERN MOTORCYCLE PARTS
$14.95Made in the U.S.A.11060089- SKU:
- 11060089
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- MAINSHAFT SPROCKET NUT
$14.95 -
EASTERN MOTORCYCLE PARTS Clutch Hub Nuts A-37495-91
EASTERN MOTORCYCLE PARTS
$14.95High-quality steel construction, Made in U.S.A.11060091- SKU:
- 11060091
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- NUT
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- MAINSHAFT
- TYPE:
- CLUTCH HUB
$14.95 -
EASTERN MOTORCYCLE PARTS Bearing - 8970 A-8970
EASTERN MOTORCYCLE PARTS
$30.95High-quality replacement OEM components11060092- SKU:
- 11060092
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BEARING
- STYLE:
- OEM REPLACEMENT
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
$30.95 -
EASTERN MOTORCYCLE PARTS Transmission Mainshaft Bearing 44-0520
EASTERN MOTORCYCLE PARTS
$98.95High-quality bearing for 6-speed transmissions11060232- SKU:
- 11060232
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BEARING
- UNITS:
- EACH
$98.95 -
EASTERN MOTORCYCLE PARTS Shifter Fork Shims - 0.007" A-6750
EASTERN MOTORCYCLE PARTS
$5.30Made in the U.S.A.11060021- SKU:
- 11060021
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- TYPE:
- SHIFTER FORK
- PRODUCT NAME:
- SHIM
- TRANSMISSION TYPE:
- 4 SPEED
- UNITS:
- 10 PACK
$5.30
