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
-
ANDREWS Countershaft - 3rd Gear 253030
ANDREWS
$133.95Sold individually, unless noted.DS199432- SKU:
- DS199432
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 23
- TYPE:
- THIRD GEAR
- PRODUCT NAME:
- COUNTERSHAFT
- STYLE:
- STANDARD RATIO
- UNITS:
- EACH
$133.95 -
ANDREWS Mainshaft - 3rd Gear 253050
ANDREWS
$133.95Sold individually, unless noted.DS199433- SKU:
- DS199433
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GEAR
- TYPE:
- THIRD GEAR
- UNITS:
- EACH
- STYLE:
- STANDARD RATIO
$133.95 -
ANDREWS Mainshaft - 1st Gear 251050
ANDREWS
$102.95Sold individually, unless noted.DS199434- SKU:
- DS199434
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- TYPE:
- FIRST GEAR
- PRODUCT NAME:
- GEAR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD RATIO
$102.95 -
ANDREWS Countershaft - 1st Gear 251060
ANDREWS
$143.95Sold individually, unless noted.DS199435- SKU:
- DS199435
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- RIDING STYLE:
- STREET
- TYPE:
- FIRST GEAR
- TOOTH COUNT:
- 17
- UNITS:
- EACH
- PRODUCT NAME:
- COUNTERSHAFT
- STYLE:
- STANDARD RATIO
$143.95 -
ANDREWS Close-Ratio Gear Set 254850
ANDREWS
$422.95Sold individually, unless noted.DS199436- SKU:
- DS199436
- Availability:
- Ships Same Business Day
- Weight:
- 2.26 LBS
- UNITS:
- SET
- PRODUCT NAME:
- GEAR SET
- RIDING STYLE:
- STREET
- STYLE:
- CLOSE RATIO
- TYPE:
- CLOSE RATIO
$422.95 -
ANDREWS Stock Ratio Clutch Gear 254710
ANDREWS
$302.95Sold individually, unless noted.DS199440- SKU:
- DS199440
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- PRODUCT NAME:
- CLUTCH GEAR
- TYPE:
- STOCK RATIO
- STYLE:
- STANDARD RATIO
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$302.95 -
ANDREWS Countershaft Gear - 2nd/3rd Gear 296220
ANDREWS
$95.95Sold individually, unless noted.DS199450- SKU:
- DS199450
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- GEAR
- TYPE:
- THIRD GEAR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 23
- STYLE:
- STANDARD RATIO
- TYPE:
- SECOND GEAR
$95.95 -
ANDREWS Countershaft Gear - 2nd/3rd Gear 296330
ANDREWS
$154.95Sold individually, unless noted.DS199451- SKU:
- DS199451
- Availability:
- Ships Same Business Day
- Weight:
- 0.82 LBS
- PRODUCT NAME:
- GEAR
- TRANSMISSION TYPE:
- 5 SPEED
- TYPE:
- SECOND GEAR
- TYPE:
- THIRD GEAR
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 27
- UNITS:
- EACH
- STYLE:
- STANDARD RATIO
$154.95 -
ANDREWS Main Drive Gear with Chain Drive 296550
ANDREWS
$288.95Sold individually, unless noted.DS199452- SKU:
- DS199452
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- PRODUCT NAME:
- GEAR
- TYPE:
- MAIN DRIVE
- RIDING STYLE:
- STREET
- STYLE:
- CHAIN DRIVE
- STYLE:
- STANDARD RATIO
- TOOTH COUNT:
- 32
- MATERIAL:
- HIGH-NICKEL ALLOY STEEL
- UNITS:
- EACH
$288.95 -
ANDREWS Countershaft Gear - 5th Gear 296555
ANDREWS
$58.95Sold individually, unless noted.DS199453- SKU:
- DS199453
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- TOOTH COUNT:
- 17
- TYPE:
- FIFTH GEAR
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD RATIO
- PRODUCT NAME:
- GEAR
- UNITS:
- EACH
- TRANSMISSION TYPE:
- 5 SPEED
$58.95 -
ANDREWS Main Drive Gear with Belt Drive 296585
ANDREWS
$288.95Sold individually, unless noted.DS199454- SKU:
- DS199454
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- MATERIAL:
- HIGH-NICKEL ALLOY STEEL
- STYLE:
- STANDARD RATIO
- TOOTH COUNT:
- 32
- TYPE:
- MAIN DRIVE
- PRODUCT NAME:
- GEAR
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- STYLE:
- BELT DRIVE
$288.95 -
ANDREWS 4-Speed Mainshaft 208800
ANDREWS
$284.95Sold individually, unless noted.11060057- SKU:
- 11060057
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- STYLE:
- 4-SPEED
- TYPE:
- TRANSMISSION
- UNITS:
- EACH
- PRODUCT NAME:
- MAINSHAFT
- RIDING STYLE:
- STREET
$284.95 -
ANDREWS 4-Speed Countershaft 207800
ANDREWS
$54.95Sold individually, unless noted.DS199428- SKU:
- DS199428
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- COUNTERSHAFT
- RIDING STYLE:
- STREET
- STYLE:
- 4-SPEED
- TYPE:
- TRANSMISSION
$54.95 -
EASTERN MOTORCYCLE PARTS Mainshaft Bearing Nut A-35046-36
EASTERN MOTORCYCLE PARTS
$32.00Sold as pack of 5DS199419- SKU:
- DS199419
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- TYPE:
- BEARING
- PRODUCT NAME:
- NUT
$32.00 -
EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacers - 0.060" - 0.210" A-24032-SET
EASTERN MOTORCYCLE PARTS
$37.95The only way to properly space/align the front motor sprocket or belt drive pulley, Made in the U.S.A.DS196135- SKU:
- DS196135
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- SET
- PRODUCT NAME:
- SPACER
- TYPE:
- SPROCKET
- RIDING STYLE:
- STREET
$37.95 -
EASTERN MOTORCYCLE PARTS Mainshaft Bearing Race A-35125-78
EASTERN MOTORCYCLE PARTS
$87.95Made in the U.S.A.DS196139- SKU:
- DS196139
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- STYLE:
- OVERSIZE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- MAINSHAFT
- PRODUCT NAME:
- BEARING RACE
$87.95 -
EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacers - 0.210" A-24037-70
EASTERN MOTORCYCLE PARTS
$17.30The only way to properly space/align the front motor sprocket or belt drive pulley, Made in the U.S.A.DS196143- SKU:
- DS196143
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- TYPE:
- SPROCKET
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
$17.30 -
EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacers - 0.010" A-35850-84
EASTERN MOTORCYCLE PARTS
$6.60The only way to properly space/align the front motor sprocket or belt drive pulley, Made in the U.S.A.DS196151- SKU:
- DS196151
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- TYPE:
- SPROCKET
- UNITS:
- 5 PACK
$6.60 -
EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacers - 0.020" A-35851-84
EASTERN MOTORCYCLE PARTS
$6.60The only way to properly space/align the front motor sprocket or belt drive pulley, Made in the U.S.A.DS196152- SKU:
- DS196152
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- TYPE:
- SPROCKET
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
$6.60 -
EASTERN MOTORCYCLE PARTS Clutch Hub Key A-37523-85
EASTERN MOTORCYCLE PARTS
$21.30Made in the U.S.A.DS194361- SKU:
- DS194361
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- RIDING STYLE:
- STREET
- TYPE:
- MAINSHAFT
- TYPE:
- CLUTCH HUB
- PRODUCT NAME:
- KEY
- UNITS:
- 10 PACK
$21.30
