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 3rd Gear Mainshaft 206215
ANDREWS
$115.95ANDREWS 3rd Gear Mainshaft 206215Sold individually, unless noted.DS199426- SKU:
- DS199426
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- PRODUCT NAME:
- GEAR
- THIRD GEAR RATIO:
- 1.23:1
- TYPE:
- THIRD GEAR
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD RATIO
- UNITS:
- EACH
$115.95 -
ANDREWS Stock Cluster Gear 206335
ANDREWS
$216.95ANDREWS Stock Cluster Gear 206335Sold 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
$341.95ANDREWS 4-Speed Mainshaft 258080Sold 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
$263.95ANDREWS 4-Speed Mainshaft 258120Sold 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
$331.95ANDREWS 3rd Gear Set Close Ratio 203375Sold 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
$175.95ANDREWS 1st Gear Close Ratio 201105Sold 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
$89.95ANDREWS Countershaft 2nd Gear 202160Sold 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
$54.95ANDREWS 4-Speed Countershaft 207650Sold 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 -
COLONY Transmission Stud - 1/2-13 x 3/8-24 9655-4
COLONY
$24.95COLONY Transmission Stud 1/2-13 x 3/8-24 9655-4Studs are heat-treated for strength and durability, Equal or surpass original equipment, Made in the U.S.A.DS189935- SKU:
- DS189935
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- DIAMETER - THREAD SIZE:
- 1/2-13
- PRODUCT NAME:
- TRANSMISSION BOTTOM STUD
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
- DIAMETER - THREAD SIZE:
- 3/8-24
- STYLE:
- OVERSIZE
- STYLE:
- REPLACEMENT
- TYPE:
- TRANSMISSION
$24.95 -
ANDREWS Stock Cluster Gear 206330
ANDREWS
$176.95ANDREWS Stock Cluster Gear 206330Sold 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
$54.95ANDREWS 4-Speed Countershaft 207770Sold 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
$102.95ANDREWS 3rd Gear Mainshaft 206220Sold 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
$102.95Qty in Cart: 0Quantity:Price:$102.95Subtotal: -
ANDREWS 4-Speed Mainshaft 208500
ANDREWS
$273.95ANDREWS 4-Speed Mainshaft 208500Sold 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
$268.95ANDREWS 4-Speed Mainshaft 208650Sold 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
$271.95ANDREWS 4-Speed Mainshaft 208700Sold 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
$256.95ANDREWS Pulley 34 Tooth 290340Machined 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
$256.95ANDREWS Pulley 30 Tooth 290300Machined 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
$256.95 -
ANDREWS Mainshaft - 2nd Gear 299102
ANDREWS
$129.95ANDREWS Mainshaft 2nd Gear 299102Sold 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
$15.95COLONY Transmission Plug Chrome Hex 7351-2Chrome-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
$12.31DRAG SPECIALTIES Transmission Bearing 40-3007-WSingle 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
$12.31