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 Clutch Gear 205340
ANDREWS
$69.95Sold 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 -
ANDREWS 3rd Gear Mainshaft 206215
ANDREWS
$115.95Sold 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
$216.95Sold 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
$176.95The ANDREWS Stock Cluster Gear 206330 is the foundation of reliable power delivery in your transmission. Whether you're rebuilding after track use or maintaining stock performance specs, this OEM-equivalent gear ensures precise engagement and longevity...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
$176.95Qty in Cart: 0Quantity:Price:$176.95Subtotal: -
ANDREWS 4-Speed Countershaft 207770
ANDREWS
$54.95A quality countershaft is the backbone of reliable transmission performance, directly impacting shift quality, durability, and power delivery to the wheels. The Andrews 4-Speed Countershaft 207770 is engineered for applications demanding precision...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
$54.95Qty in Cart: 0Quantity:Price:$54.95Subtotal: -
ANDREWS 3rd Gear Mainshaft 206220
ANDREWS
$102.95The Andrews 3rd Gear Mainshaft 206220 is engineered for riders who demand reliability in high-stress transmission applications. Whether you're running consistent track days or pushing your bike to its limits, a precision-manufactured mainshaft ensures...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
$273.95If you're building or rebuilding a high-performance engine, your transmission internals must match your power output and intended application. The Andrews 4-Speed Mainshaft 208500 is a precision-engineered component designed for demanding motorsports...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
$268.95If you're running a high-performance engine or rebuilding a vintage transmission, the Andrews 4-Speed Mainshaft 208650 is the precision-engineered core component that determines your shift quality and power delivery. This individually sold mainshaft is...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
$271.95The Andrews 4-Speed Mainshaft 208700 is engineered for applications demanding reliable power transfer and precise gear engagement in high-performance transmissions. Whether you're building a competition engine or restoring a classic with modern...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
$271.95Qty in Cart: 0Quantity:Price:$271.95Subtotal: -
ANDREWS Pulley - 34 Tooth 290340
ANDREWS
$256.95The ANDREWS 34-tooth pulley delivers precise belt drive control and reliable power transfer for high-demand applications. Manufactured from heat-treated, gear-quality steel, this pulley withstands the rigors of racing and aggressive riding without...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
$256.95The ANDREWS 30-Tooth Pulley delivers reliable power transmission with the precision engineering demanded by serious riders and builders. Machined from heat-treated, gear-quality steel, this domestically manufactured component resists wear and maintains...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
$129.95A worn or damaged second gear on your mainshaft will compromise acceleration, create grinding noises, and ultimately leave you stranded. The ANDREWS Mainshaft - 2nd Gear 299102 is a direct replacement engineered to restore full power delivery and shift...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
$15.95A quality transmission fill plug is essential for maintaining proper fluid levels and preventing costly leaks that compromise transmission performance. The COLONY Transmission Plug delivers reliable sealing with a straightforward bolt-on installation,...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
$13.17A transmission bearing failure can leave you stranded or cost you a race. The DRAG SPECIALTIES Transmission Bearing 40-3007-W is engineered to handle the brutal load cycles of high-performance driving, delivering the reliability you need when precision...11060009- 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
$13.17
