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 Mainshaft - 4th Gear 299104
ANDREWS
$129.95ANDREWS Mainshaft 4th Gear 299104Sold individually, unless noted.11060063- SKU:
- 11060063
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- GEAR
- TOOTH COUNT:
- 30
- STYLE:
- STANDARD RATIO
- TYPE:
- FOURTH GEAR
- MATERIAL:
- HIGH-NICKEL ALLOY STEEL
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$129.95 -
ANDREWS 1st Gear Set 299110
ANDREWS
$259.95ANDREWS 1st Gear Set 299110Sold individually, unless noted.11060064- SKU:
- 11060064
- Availability:
- Ships Same Business Day
- Weight:
- 2.03 LBS
- FIRST GEAR RATIO:
- 2.61:1
- MATERIAL:
- HIGH-NICKEL ALLOY STEEL
- PRODUCT NAME:
- GEAR SET
- RIDING STYLE:
- STREET
- STYLE:
- CLOSE RATIO
- TYPE:
- FIRST GEAR
- UNITS:
- SET
$259.95 -
ANDREWS Transmission Gear - 5th Gear 299155
ANDREWS
$92.95ANDREWS Transmission Gear 5th Gear 299155Sold individually, unless noted.11060066- SKU:
- 11060066
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- RIDING STYLE:
- STREET
- TYPE:
- FIFTH GEAR
- PRODUCT NAME:
- GEAR
- UNITS:
- EACH
- TRANSMISSION TYPE:
- 5 SPEED
$92.95 -
ANDREWS 5-Speed Mainshaft 299180
ANDREWS
$267.95ANDREWS 5-Speed Mainshaft 299180Sold individually, unless noted.11060068- SKU:
- 11060068
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- RIDING STYLE:
- STREET
- STYLE:
- 5 SPEED
- UNITS:
- EACH
- TYPE:
- TRANSMISSION
- PRODUCT NAME:
- MAINSHAFT
$267.95Qty in Cart: 0Quantity:Price:$267.95Subtotal: -
ANDREWS Pulley - 29 Tooth 290294
ANDREWS
$211.95ANDREWS Pulley 29 Tooth 290294Machined from heat-treated, gear-quality steel, Made in the U.S.A., May require some elongation of axle hole in swingarm or change in belt length to allow for proper belt adjustment.DS199479- SKU:
- DS199479
- Availability:
- Ships Same Business Day
- Weight:
- 4.88 LBS
- MATERIAL:
- STEEL
- TRANSMISSION TYPE:
- 5 SPEED
- TYPE:
- TRANSMISSION
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PULLEY
- MODEL:
- BETTER ACCELERATION
- TOOTH COUNT:
- 29
- UNITS:
- EACH
$211.95Qty in Cart: 0Quantity:Price:$211.95Subtotal: -
ANDREWS 1st Gear Set 296110
ANDREWS
$219.95ANDREWS 1st Gear Set 296110Sold individually, unless noted.DS199531- SKU:
- DS199531
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- STYLE:
- CLOSE RATIO
- TYPE:
- FIRST GEAR
- FIRST GEAR RATIO:
- 2.94:1
- MATERIAL:
- HIGH-NICKEL ALLOY STEEL
- PRODUCT NAME:
- GEAR SET
- RIDING STYLE:
- STREET
- UNITS:
- SET
$219.95 -
ANDREWS Transmission Gear - 1st Gear 296120
ANDREWS
$116.95ANDREWS Transmission Gear 1st Gear 296120Sold individually, unless noted.11060059- SKU:
- 11060059
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- STYLE:
- STANDARD RATIO
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- FIRST GEAR
- TRANSMISSION TYPE:
- 5 SPEED
- PRODUCT NAME:
- GEAR
- TOOTH COUNT:
- 31
$116.95 -
ANDREWS Mainshaft - 1st Gear 296125
ANDREWS
$116.95ANDREWS Mainshaft 1st Gear 296125Sold individually, unless noted.11060060- SKU:
- 11060060
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- FIRST GEAR RATIO:
- 3.24:1
- MATERIAL:
- HIGH-NICKEL ALLOY STEEL
- STYLE:
- STANDARD RATIO
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 18
- TYPE:
- FIRST GEAR
- PRODUCT NAME:
- GEAR
$116.95Qty in Cart: 0Quantity:Price:$116.95Subtotal: -
ANDREWS 5-Speed Mainshaft 296800
ANDREWS
$331.95ANDREWS 5-Speed Mainshaft 296800Sold individually, unless noted.11060061- SKU:
- 11060061
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- TYPE:
- TRANSMISSION
- STYLE:
- CHAIN DRIVE
- STYLE:
- 5 SPEED
- PRODUCT NAME:
- MAINSHAFT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$331.95 -
ANDREWS Mainshaft - 3rd Gear 299103
ANDREWS
$129.95ANDREWS Mainshaft 3rd Gear 299103Sold individually, unless noted.11060062- SKU:
- 11060062
- Availability:
- Ships Same Business Day
- Weight:
- 1.04 LBS
- PRODUCT NAME:
- GEAR
- TYPE:
- THIRD GEAR
- UNITS:
- EACH
- MATERIAL:
- HIGH-NICKEL ALLOY STEEL
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 28
- STYLE:
- STANDARD RATIO
$129.95 -
ANDREWS 4th Gear Mainshaft 204280
ANDREWS
$210.95ANDREWS 4th Gear Mainshaft 204280Sold individually, unless noted.DS199409- SKU:
- DS199409
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- STYLE:
- STANDARD RATIO
- UNITS:
- EACH
- PRODUCT NAME:
- GEAR
- RIDING STYLE:
- STREET
- TYPE:
- MAIN DRIVE
$210.95 -
ANDREWS Mainshaft Drive Gear - 5th Gear 299105
ANDREWS
$288.95ANDREWS Mainshaft Drive Gear 5th Gear 299105Sold individually, unless noted.DS199469- SKU:
- DS199469
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- MATERIAL:
- HIGH-NICKEL ALLOY STEEL
- UNITS:
- EACH
- TOOTH COUNT:
- 33
- TYPE:
- MAIN DRIVE
- PRODUCT NAME:
- GEAR
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD RATIO
$288.95 -
ANDREWS Pulley - 30 Tooth 290304
ANDREWS
$211.95ANDREWS Pulley 30 Tooth 290304Machined from heat-treated, gear-quality steel, Made in the U.S.A., May require some elongation of axle hole in swingarm or change in belt length to allow for proper belt adjustment.DS199477- SKU:
- DS199477
- Availability:
- Ships Same Business Day
- Weight:
- 5.08 LBS
- MATERIAL:
- STEEL
- MODEL:
- GOOD ACCELERATION
- PRODUCT NAME:
- PULLEY
- TOOTH COUNT:
- 30
- TRANSMISSION TYPE:
- 5 SPEED
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
- UNITS:
- EACH
$211.95 -
ANDREWS Pulley - 34 Tooth 290344
ANDREWS
$217.95ANDREWS Pulley 34 Tooth 290344Machined from heat-treated, gear-quality steel, Made in the U.S.A., May require some elongation of axle hole in swingarm or change in belt length to allow for proper belt adjustment.DS199478- SKU:
- DS199478
- Availability:
- Ships Same Business Day
- Weight:
- 6.40 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 34
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
- MODEL:
- SMOOTH CRUISING
- PRODUCT NAME:
- PULLEY
- TRANSMISSION TYPE:
- 5 SPEED
$217.95 -
BAKER DRIVETRAIN Transmission Sprocket Spacer 33344-94S
BAKER DRIVETRAIN
$27.00BAKER DRIVETRAIN Transmission Sprocket Spacer 33344-94SCase-hardened steel with a Rockwell "C" hardness of 55 and a polished finish, 1.7" i.d.; .600" thick, Made in the U.S.A.11060001- SKU:
- 11060001
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MATERIAL:
- STEEL
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPACER
- TYPE:
- TRANSMISSION
$27.00 -
ANDREWS Countershaft Clutch Gear - 1st and 2nd Gear 205120
ANDREWS
$63.95ANDREWS Countershaft Clutch Gear 1st and 2nd Gear 205120Sold individually, unless noted.DS199420- SKU:
- DS199420
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- TYPE:
- FIRST GEAR
- PRODUCT NAME:
- COUNTER SHAFT CLUTCH GEAR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- SECOND GEAR
$63.95 -
ANDREWS 5-Speed Mainshaft 296850
ANDREWS
$331.95ANDREWS 5-Speed Mainshaft 296850Sold individually, unless noted.DS199422- SKU:
- DS199422
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- UNITS:
- EACH
- STYLE:
- 5 SPEED
- STYLE:
- BELT DRIVE
- PRODUCT NAME:
- MAINSHAFT
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
$331.95 -
ANDREWS Countershaft 296700
ANDREWS
$184.95ANDREWS Countershaft 296700Sold individually unless noted, All Andrews parts are made in the U.S.A.DS199423- SKU:
- DS199423
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- PRODUCT NAME:
- COUNTERSHAFT
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TRANSMISSION TYPE:
- 5 SPEED
$184.95 -
ANDREWS 5-Speed Mainshaft 296900
ANDREWS
$342.95ANDREWS 5-Speed Mainshaft 296900Sold individually, unless noted.DS199424- SKU:
- DS199424
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- STYLE:
- 5 SPEED
- STYLE:
- BELT DRIVE
- PRODUCT NAME:
- MAINSHAFT
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
- UNITS:
- EACH
$342.95 -
ANDREWS Mainshaft Clutch Gear 205340
ANDREWS
$69.95ANDREWS Mainshaft Clutch Gear 205340Sold individually, unless noted.DS199425- SKU:
- DS199425
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- GEAR
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- CLUTCH
$69.95
