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
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EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacers - 0.120" A-24034-70
EASTERN MOTORCYCLE PARTS
$13.50Improper sprocket and pulley alignment is one of the leading causes of premature wear, vibration, and power loss in high-performance drivetrain systems. This spacer kit ensures your front motor sprocket or belt drive pulley sits at the exact...DS196138- SKU:
- DS196138
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- TYPE:
- SPROCKET
- UNITS:
- 5 PACK
$13.50 -
Jims Transmission Sprocket Spacer for Harley FLH Electra Glide 1980-1983 33334-79
JIMS
$53.25A worn or improperly spaced transmission sprocket can accelerate seal degradation and compromise drivetrain reliability—especially on classic Harley FLH models that demand precision engineering. The JIMS Transmission Sprocket Spacer 33334-79 maintains...DS197052- SKU:
- DS197052
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- LENGTH:
- 0.687'
- PRODUCT NAME:
- TRANSMISSION SPROCKET SPACER
- TRANSMISSION TYPE:
- 5 SPEED
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$53.25 -
Jims Shifter Shaft Bushings 1977-2003 Harley-Davidson XLH XLCH XLCR XLX 40520-63
JIMS
$31.55Worn shifter shaft bushings cause sloppy, imprecise gear changes that compromise both control and reliability on the road or track. JIMS Shifter Shaft Bushings restore the tight tolerances your transmission needs, delivering crisp, responsive shifts with...DS194253- SKU:
- DS194253
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- TYPE:
- SHIFTER SHAFT
- UNITS:
- PAIR
$31.55Qty in Cart: 0Quantity:Price:$31.55Subtotal: -
EASTERN MOTORCYCLE PARTS 4-Speed Shifter Cam A-34040-52
EASTERN MOTORCYCLE PARTS
$4.00A worn or damaged shifter cam directly compromises shift quality and can lead to missed gears or grinding transmission damage. The Eastern Motorcycle Parts 4-Speed Shifter Cam A-34040-52 restores precise shift indexing and smooth engagement across all...11060018- SKU:
- 11060018
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- RETAINING RING
- TYPE:
- SHIFTER CAM
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- STYLE:
- OEM REPLACEMENT
- TRANSMISSION TYPE:
- 4 SPEED
$4.00 -
Jims Shift Fork Shaft for Harley-Davidson Big Twin 1936-1986 34186-76
JIMS
$46.80A worn or damaged shift fork shaft compromises your transmission's ability to engage gears precisely, leading to grinding shifts and accelerated internal wear. The JIMS Shift Fork Shaft 34186-76 restores crisp, reliable shift engagement with OEM-quality...DS194251- SKU:
- DS194251
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- STREET
- TRANSMISSION TYPE:
- 4 SPEED
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SHIFT FORK SHAFT KIT
- UNITS:
- KIT
$46.80 -
Jims Gear Mainshaft Bushing for Harley-Davidson FL 1941-1947 35322-38
JIMS
$40.10A worn mainshaft bushing creates unwanted play in your transmission, leading to sloppy shifting and accelerated gear wear. The JIMS Gear Mainshaft Bushing 35322-38 restores proper tolerances and reduces friction, delivering crisp engagement and extended...DS194252- SKU:
- DS194252
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- TYPE:
- SECOND GEAR
- TYPE:
- MAINSHAFT
- TYPE:
- THIRD GEAR
- UNITS:
- EACH
$40.10 -
EASTERN MOTORCYCLE PARTS Mainshaft Washers A-35385-SET
EASTERN MOTORCYCLE PARTS
$41.95Mainshaft thrust washers are critical wear items that directly impact transmission smoothness and longevity. This six-piece assortment from Eastern Motorcycle Parts gives you the precise thickness options needed to dial in proper endplay and eliminate...11060056- SKU:
- 11060056
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- TYPE:
- MAINSHAFT
- PRODUCT NAME:
- THRUST WASHER
- RIDING STYLE:
- STREET
- STYLE:
- RIGHT SIDE
- UNITS:
- SET
$41.95Qty in Cart: 0Quantity:Price:$41.95Subtotal: -
EASTERN MOTORCYCLE PARTS Main Drive Gear - Spacer A-35070-82A
EASTERN MOTORCYCLE PARTS
$41.95Proper gear spacing is critical to transmission longevity and consistent power delivery in high-performance motorcycle engines. The EASTERN MOTORCYCLE PARTS Main Drive Gear Spacer maintains precise tolerances between drivetrain components, reducing wear...DS196236- SKU:
- DS196236
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- TYPE:
- MAIN DRIVE GEAR
- PRODUCT NAME:
- SPACER
- UNITS:
- EACH
$41.95 -
EASTERN MOTORCYCLE PARTS Main Drive Gear Bushing A-35094-65
EASTERN MOTORCYCLE PARTS
$53.95A worn or damaged main drive gear bushing compromises power transfer efficiency and can accelerate wear on surrounding drivetrain components. The EASTERN MOTORCYCLE PARTS Main Drive Gear Bushing A-35094-65 restores precise tolerances and smooth...DS194126- SKU:
- DS194126
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- TYPE:
- MAIN DRIVE GEAR
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$53.95
