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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On Sale
ANDREWS Transmission Gear - 5th Gear 299155
ANDREWS
MSRP: $92.95Now: $83.66Was: $92.95A worn or damaged 5th gear compromises your transmission's reliability and performance across the entire powerband. The ANDREWS Transmission Gear 5th Gear 299155 is engineered to OEM specifications,...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
MSRP: $92.95Now: $83.66Was: $92.95Qty in Cart: 0Quantity:Price:MSRP: $92.95Now: $83.66Was: $92.95Subtotal: -
On Sale
ANDREWS 5-Speed Mainshaft 299180
ANDREWS
MSRP: $267.95Now: $241.16Was: $267.95If you're building or rebuilding a transmission that demands reliability and precise gear engagement, the Andrews 5-Speed Mainshaft is engineered to deliver consistent performance lap after lap. This...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
MSRP: $267.95Now: $241.16Was: $267.95 -
On Sale
ANDREWS Pulley - 29 Tooth 290294
ANDREWS
MSRP: $211.95Now: $190.76Was: $211.95The ANDREWS 29-tooth pulley delivers precise primary drive ratios for custom and performance-built engines requiring fine-tuned engagement characteristics. Machined from heat-treated, gear-quality...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
MSRP: $211.95Now: $190.76Was: $211.95 -
On Sale
ANDREWS 1st Gear Set 296110
ANDREWS
MSRP: $219.95Now: $197.96Was: $219.95A properly functioning first gear is critical for reliable launch control and smooth engagement in any high-performance transmission system. The ANDREWS 1st Gear Set 296110 delivers...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
MSRP: $219.95Now: $197.96Was: $219.95 -
On Sale
ANDREWS Transmission Gear - 1st Gear 296120
ANDREWS
MSRP: $123.97Now: $111.57Was: $123.97A worn or damaged first gear is the weak link in any high-performance transmission system, forcing you to compromise on acceleration and risking catastrophic drivetrain failure. The ANDREWS...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
MSRP: $123.97Now: $111.57Was: $123.97Qty in Cart: 0Quantity:Price:MSRP: $123.97Now: $111.57Was: $123.97Subtotal: -
On Sale
ANDREWS Mainshaft - 1st Gear 296125
ANDREWS
MSRP: $116.95Now: $105.26Was: $116.95A worn or damaged first gear on your mainshaft directly impacts acceleration response and overall powertrain reliability. The ANDREWS Mainshaft 1st Gear is precision-engineered to restore OEM...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
MSRP: $116.95Now: $105.26Was: $116.95Qty in Cart: 0Quantity:Price:MSRP: $116.95Now: $105.26Was: $116.95Subtotal: -
On Sale
ANDREWS 5-Speed Mainshaft 296800
ANDREWS
MSRP: $331.95Now: $298.76Was: $331.95If you're rebuilding a transmission or upgrading to a higher-performance setup, the ANDREWS 5-Speed Mainshaft 296800 is engineered to handle increased torque and sustained RPM loads that stock...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
MSRP: $331.95Now: $298.76Was: $331.95 -
On Sale
ANDREWS Mainshaft - 3rd Gear 299103
ANDREWS
MSRP: $129.95Now: $116.96Was: $129.95If you're experiencing worn gear engagement, slipping, or inconsistent power delivery through your transmission's mid-range, the ANDREWS Mainshaft 3rd Gear 299103 restores precise shifting and...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
MSRP: $129.95Now: $116.96Was: $129.95 -
On Sale
ANDREWS 4th Gear Mainshaft 204280
ANDREWS
MSRP: $210.95Now: $189.86Was: $210.95If you're building or rebuilding a high-performance transmission, the ANDREWS 4th Gear Mainshaft is a critical component that directly impacts power delivery and durability under load. This...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
MSRP: $210.95Now: $189.86Was: $210.95 -
On Sale
ANDREWS Mainshaft Drive Gear - 5th Gear 299105
ANDREWS
MSRP: $288.95Now: $260.06Was: $288.95If you're pushing your transmission to higher RPMs or upgrading to a performance build, your factory 5th gear may not deliver the durability or precision you need. The ANDREWS Mainshaft Drive Gear...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
MSRP: $288.95Now: $260.06Was: $288.95 -
On Sale
ANDREWS Pulley - 30 Tooth 290304
ANDREWS
MSRP: $211.95Now: $190.76Was: $211.95The ANDREWS 30-tooth pulley delivers precise belt drive control for custom cruisers and touring bikes where stock ratios don't cut it. Machined from heat-treated, gear-quality steel, this U.S.-made...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
MSRP: $211.95Now: $190.76Was: $211.95 -
On Sale
ANDREWS Pulley - 34 Tooth 290344
ANDREWS
MSRP: $217.95Now: $196.16Was: $217.95The ANDREWS 34 Tooth Pulley delivers reliable, consistent power transfer for your drive system while maintaining tight tolerances essential for high-performance applications. Built from heat-treated,...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
MSRP: $217.95Now: $196.16Was: $217.95 -
On Sale
ANDREWS Shift Fork - Center Shaft 209750
ANDREWS
MSRP: $39.95Now: $35.96Was: $39.95A precision shift fork is critical to reliable gear engagement and smooth transmission operation under racing conditions. The ANDREWS 209750 Center Shaft Shift Fork delivers the durability and...DS194210- SKU:
- DS194210
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- PRODUCT NAME:
- SHIFTER FORK
- RIDING STYLE:
- STREET
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- TRANSMISSION TYPE:
- 4 SPEED
MSRP: $39.95Now: $35.96Was: $39.95 -
On Sale
ANDREWS 1st Gear - Close Ratio 201145
ANDREWS
MSRP: $178.95Now: $161.06Was: $178.95If you're serious about drag racing or circuit competition, a close-ratio first gear is essential for maximizing acceleration off the line and maintaining optimal engine RPM through low-speed corners...DS199407- SKU:
- DS199407
- Availability:
- Ships Same Business Day
- Weight:
- 2.44 LBS
- RIDING STYLE:
- STREET
- UNITS:
- SET
- FIRST GEAR RATIO:
- 2.60:1
- PRODUCT NAME:
- GEAR SET
- TYPE:
- FIRST GEAR
MSRP: $178.95Now: $161.06Was: $178.95 -
On Sale
ANDREWS 4th Gear Mainshaft 204260
ANDREWS
MSRP: $211.95Now: $190.76Was: $211.95If you're running a high-performance or modified engine, your stock mainshaft is likely your first bottleneck. The Andrews 4th Gear Mainshaft 204260 is engineered for reliability under sustained...DS199408- SKU:
- DS199408
- Availability:
- Ships Same Business Day
- Weight:
- 1.92 LBS
- PRODUCT NAME:
- GEAR
- TYPE:
- MAIN DRIVE
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD RATIO
- UNITS:
- EACH
MSRP: $211.95Now: $190.76Was: $211.95 -
On Sale
BAKER DRIVETRAIN Transmission Sprocket Spacer 33344-94S
BAKER DRIVETRAIN
MSRP: $39.00Now: $37.05Was: $39.00Case-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
MSRP: $39.00Now: $37.05Was: $39.00 -
On Sale
ANDREWS Countershaft Clutch Gear - 1st and 2nd Gear 205120
ANDREWS
MSRP: $63.95Now: $57.56Was: $63.95Sold 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
MSRP: $63.95Now: $57.56Was: $63.95 -
On Sale
ANDREWS 5-Speed Mainshaft 296850
ANDREWS
MSRP: $331.95Now: $298.76Was: $331.95Sold 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
MSRP: $331.95Now: $298.76Was: $331.95 -
On Sale
ANDREWS Countershaft 296700
ANDREWS
MSRP: $184.95Now: $166.46Was: $184.95Sold 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
MSRP: $184.95Now: $166.46Was: $184.95Qty in Cart: 0Quantity:Price:MSRP: $184.95Now: $166.46Was: $184.95Subtotal: -
On Sale
ANDREWS 5-Speed Mainshaft 296900
ANDREWS
MSRP: $342.95Now: $308.66Was: $342.95Sold 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
MSRP: $342.95Now: $308.66Was: $342.95
