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 Stock Cluster Gear 206335
ANDREWS
$216.95Sold individually, unless noted.DS199427- SKU:
- DS199427
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- PRODUCT NAME:
- GEAR
- RIDING STYLE:
- STREET
- THIRD GEAR RATIO:
- 1.23:1
- TYPE:
- STOCK CLUSTER
- UNITS:
- EACH
- STYLE:
- STANDARD RATIO
$216.95 -
ANDREWS 4-Speed Mainshaft 258080
ANDREWS
$341.95Sold individually, unless noted.DS199402- SKU:
- DS199402
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- PRODUCT NAME:
- MAINSHAFT
- RIDING STYLE:
- STREET
- STYLE:
- 4-SPEED
- TYPE:
- TRANSMISSION
- UNITS:
- EACH
$341.95 -
ANDREWS 4-Speed Mainshaft 258120
ANDREWS
$263.95Sold individually, unless noted.DS199403- SKU:
- DS199403
- Availability:
- Ships Same Business Day
- Weight:
- 1.69 LBS
- STYLE:
- 4-SPEED
- UNITS:
- EACH
- PRODUCT NAME:
- MAINSHAFT
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
$263.95 -
ANDREWS 3rd Gear Set - Close Ratio 203375
ANDREWS
$331.95Sold individually, unless noted.DS199404- SKU:
- DS199404
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- PRODUCT NAME:
- GEAR SET
- RIDING STYLE:
- STREET
- STYLE:
- CLOSE RATIO
- THIRD GEAR RATIO:
- 1.35:1
- UNITS:
- SET
- TYPE:
- THIRD GEAR
$331.95 -
ANDREWS 1st Gear - Close Ratio 201105
ANDREWS
$175.95Sold individually, unless noted.DS199406- SKU:
- DS199406
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- PRODUCT NAME:
- GEAR SET
- FIRST GEAR RATIO:
- 2.44:1
- RIDING STYLE:
- STREET
- TYPE:
- FIRST GEAR
- UNITS:
- SET
$175.95 -
ANDREWS Countershaft - 2nd Gear 202160
ANDREWS
$89.95Sold individually, unless noted.DS199410- SKU:
- DS199410
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- COUNTERSHAFT
- TOOTH COUNT:
- 21
- TYPE:
- SECOND GEAR
- STYLE:
- STANDARD RATIO
- SECOND GEAR RATIO:
- 1.82:1
- UNITS:
- EACH
$89.95 -
ANDREWS 4-Speed Countershaft 207650
ANDREWS
$54.95Sold individually, unless noted.DS199413- SKU:
- DS199413
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- COUNTERSHAFT
- RIDING STYLE:
- STREET
- STYLE:
- 4-SPEED
- TYPE:
- TRANSMISSION
$54.95 -
ANDREWS Stock Cluster Gear 206330
ANDREWS
$176.95Sold individually, unless noted.DS199412- SKU:
- DS199412
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- STYLE:
- STANDARD RATIO
- TYPE:
- STOCK CLUSTER
- THIRD GEAR RATIO:
- 1.23:1
- PRODUCT NAME:
- GEAR
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$176.95 -
ANDREWS 4-Speed Countershaft 207770
ANDREWS
$54.95Sold individually, unless noted.DS199414- SKU:
- DS199414
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- COUNTERSHAFT
- RIDING STYLE:
- STREET
- STYLE:
- 4-SPEED
- TYPE:
- TRANSMISSION
$54.95 -
ANDREWS 3rd Gear Mainshaft 206220
ANDREWS
$102.95Sold individually, unless noted.DS199415- SKU:
- DS199415
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- TYPE:
- THIRD GEAR
- UNITS:
- EACH
- PRODUCT NAME:
- GEAR
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD RATIO
- THIRD GEAR RATIO:
- 1.23:1
$102.95 -
ANDREWS 4-Speed Mainshaft 208500
ANDREWS
$273.95Sold individually, unless noted.DS199416- SKU:
- DS199416
- Availability:
- Ships Same Business Day
- Weight:
- 1.94 LBS
- STYLE:
- 4-SPEED
- PRODUCT NAME:
- MAINSHAFT
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
- UNITS:
- EACH
$273.95 -
ANDREWS 4-Speed Mainshaft 208650
ANDREWS
$268.95Sold individually, unless noted.DS199417- SKU:
- DS199417
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- PRODUCT NAME:
- MAINSHAFT
- RIDING STYLE:
- STREET
- STYLE:
- 4-SPEED
- TYPE:
- TRANSMISSION
- UNITS:
- EACH
$268.95 -
ANDREWS 4-Speed Mainshaft 208700
ANDREWS
$271.95Sold individually, unless noted.DS199418- SKU:
- DS199418
- Availability:
- Ships Same Business Day
- Weight:
- 2.38 LBS
- RIDING STYLE:
- STREET
- STYLE:
- 4-SPEED
- TYPE:
- TRANSMISSION
- PRODUCT NAME:
- MAINSHAFT
- UNITS:
- EACH
$271.95 -
ANDREWS Pulley - 34 Tooth 290340
ANDREWS
$256.95Machined 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.DS199461- SKU:
- DS199461
- Availability:
- Ships Same Business Day
- Weight:
- 6.50 LBS
- PRODUCT NAME:
- PULLEY
- MODEL:
- SMOOTH CRUISING
- TRANSMISSION TYPE:
- 5 SPEED
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 34
- TYPE:
- TRANSMISSION
- MATERIAL:
- STEEL
$256.95 -
ANDREWS Pulley - 30 Tooth 290300
ANDREWS
$256.95Machined 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.DS199462- SKU:
- DS199462
- Availability:
- Ships Same Business Day
- Weight:
- 5.50 LBS
- PRODUCT NAME:
- PULLEY
- TOOTH COUNT:
- 30
- TRANSMISSION TYPE:
- 5 SPEED
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MODEL:
- GOOD ACCELERATION
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
$256.95Qty in Cart: 0Quantity:Price:$256.95Subtotal: -
ANDREWS Mainshaft - 2nd Gear 299102
ANDREWS
$129.95Sold individually, unless noted.DS199467- SKU:
- DS199467
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- GEAR
- TOOTH COUNT:
- 24
- TYPE:
- SECOND GEAR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- MATERIAL:
- HIGH-NICKEL ALLOY STEEL
- STYLE:
- STANDARD RATIO
$129.95 -
COLONY Transmission Plug - Chrome - Hex 7351-2
COLONY
$15.95Chrome-plated, cad or brushed aluminum fill plugs, For 4-speed transmission models, Made in the U.S.A.DS190924- SKU:
- DS190924
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TRANSMISSION TYPE:
- 4 SPEED
- UNITS:
- EACH
- MATERIAL:
- CHROME
- PRODUCT NAME:
- TRANSMISSION PLUG
- RIDING STYLE:
- STREET
- STYLE:
- HEX
$15.95 -
DRAG SPECIALTIES Transmission Bearing 40-3007-W
DRAG SPECIALTIES
$12.79Single bearing11060009- SKU:
- 11060009
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- RIDING STYLE:
- STREET
- STYLE:
- FIFTH GEAR
- TYPE:
- MAINSHAFT
- PRODUCT NAME:
- NEEDLE BEARING
- UNITS:
- EACH
$12.79 -
DRAG SPECIALTIES Needle Roller Bearing 40-3084-W
DRAG SPECIALTIES
$39.43Single bearing11060039- SKU:
- 11060039
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- RIDING STYLE:
- STREET
- STYLE:
- FIFTH GEAR
- TYPE:
- MAINSHAFT
- UNITS:
- EACH
- PRODUCT NAME:
- NEEDLE BEARING
$39.43 -
ANDREWS Mainshaft - 2nd Gear 252020
ANDREWS
$135.95Sold individually, unless noted.DS199431- SKU:
- DS199431
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- STYLE:
- STANDARD RATIO
- TYPE:
- SECOND GEAR
- PRODUCT NAME:
- GEAR
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$135.95
