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  Out Of Stock

  Jims Transmissiom Rebuild Kit. Fits 4Spd Big Twin 1936-Early 1976.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $787.00
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  In Stock

  Andrews Products 3rd Gear Set. Fits 4Spd Big Twin Mid 1976-1986 with Caged Needle Bearings.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $579.00
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  In Stock

  Jims Transmission Rebuild Kit. Fits 4Spd Big Twin 1980-1986 with Castle Top Transmission.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $536.00
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  In Stock

  Andrews Products Transmission Mainshaft. Fits 4Spd Big Twin Late 1984-1986 with OEM 4 Stud Wet Clutch.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $498.00
• Add to cart

  

  

  In Stock

  Andrews Products Transmission Mainshaft. Fits 4Spd Big Twin 1937-64.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $477.00
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  In Stock

  Andrews Products Transmission Mainshaft. Fits 4Spd Big Twin 1970-Early 1984 with Chain Drive and OEM Dry Clutch.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $474.00
• Add to cart

  

  

  In Stock

  Andrews Products Transmission Mainshaft. Fits 4Spd Big Twin 1965-1969.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $468.00
• Add to cart

  

  

  In Stock

  Andrews Products 4th Main Drive Gear. Fits 4Spd Big Twin 1936-1976.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $370.00
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  In Stock

  Andrews Products 4th Main Drive Gear. Fits 4Spd Big Twin 1977-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $367.00
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  In Stock

  Andrews Products 1st Gear Set. Fits 4Spd Big Twin 1959-1986. 2.60 Ratio.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $311.00
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  In Stock

  Andrews Products Countershaft Gear. Fits 4Spd Big Twin 1936-1976.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $309.00
• Add to cart

  

  

  In Stock

  Andrews Products 1st Gear Set. Fits 4Spd Big Twin 1959-1986. 2.44 Ratio.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $308.00
• Add to cart

  

  

  In Stock

  Jims +3/4in. Extended Kickstart Shaft. Fits 4Spd Big Twin 1936-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $230.00
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  Out Of Stock

  Jims Kickstart Shaft. Fits 4Spd Big Twin 1936-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $206.00
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  Out Of Stock

  Jims Transmission Main Bearing Race. Fits Big Twin 1937-1977.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $192.00
• Add to cart

  

  

  In Stock

  Andrews Products 3rd Mainshaft Gear. Fits 4Spd Big Twin 1959-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $180.00
• Add to cart

  

  

  In Stock

  Andrews Products 2nd Gear. Fits 4Spd Big Twin 1941-79.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $156.00
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  In Stock

  Andrews Products Shift Clutch, 3-4. Fits 4Spd Big Twin 1936-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $122.00
• Add to cart

  

  

  In Stock

  Andrews Products Shift Clutch, 1-2. Fits 4Spd Big Twin 1936-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $109.00
• Add to cart

  

  

  In Stock

  Andrews Products Countershaft. Fits 4Spd Big Twin Late 1976-1979.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $96.00
• Add to cart

  

  

  In Stock

  Andrews Products Countershaft. Fits 4Spd Big Twin 1980-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $96.00
• Add to cart

  

  

  In Stock

  Andrews Products Countershaft. Fits 4Spd Big Twin 1941-Early 1976.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $96.00
• Add to cart

  

  

  In Stock

  Jims Main Drive Gear Bearing. Fits Big Twin 1977-1981.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $78.00
• Add to cart

  

  

  In Stock

  Jims Transmission Main Bearing. Fits 4Spd Big Twin 1936-1986

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $71.00
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  Out Of Stock

  Jims Transmission Main Drive Gear Bushing. Fits 4Spd Big Twin 1931-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $70.00
• Add to cart

  

  

  In Stock

  Jims Kickstart Shaft Bushing – Pair. Fits 4Spd Big Twin 1936-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $67.00
• Add to cart

  

  

  In Stock

  Jims Countershaft 1st Gear Bushing. Fits 4Spd Big Twin 1936-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $63.00
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  Out Of Stock

  Rollies Speed Shop 16 Teeth Kick Start Gear Kit. Fits Big Twin 1936-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $62.00
• Add to cart

  

  

  In Stock

  Jims Countershaft 2nd Gear Bushing. Fits 4Spd Big Twin 1936-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $62.00
• Add to cart

  

  

  In Stock

  Eastern Motorcycle Parts Kick Start Shaft. Fits 4Spd Big Twin 1936-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $57.00
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  Out Of Stock

  Jims Kicker Gear Bushing. Fits 4Spd Big Twin 1936-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $55.00
• Add to cart

  

  

  In Stock

  Andrews Products Shift Fork, 3-4. Fits 4Spd Big Twin 1936-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $54.00
• Add to cart

  

  

  In Stock

  Jims Countershaft Bearing. Fits Big Twin 1977-1984 & Sportster 1954-1990.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $52.00
• Add to cart

  

  

  In Stock

  Bender Cycle 0.074in.-0.100in. Countershaft Gear End Thrust Washer Kit. Fits 4Spd Big Twin 1936-1986

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $49.00
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  Out Of Stock

  Bender Cycle 0.100in. Countershaft Gear End Thrust Washer – Pack of 5. Fits 4Spd Big Twin 1936-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $42.00
• Add to cart

  

  

  In Stock

  Bender Cycle 0.082in. Countershaft Gear End Thrust Washer – Pack of 5. Fits 4Spd Big Twin 1936-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $42.00
• Add to cart

  

  

  In Stock

  Bender Cycle 0.074in. Countershaft Gear End Thrust Washer – Pack of 5. Fits 4Spd Big Twin 1936-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $42.00
• Add to cart

  

  

  In Stock

  Andrews Products Shift Fork, 1-2. Fits 4Spd Big Twin 1936-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $42.00
• Add to cart

  

  

  In Stock

  Rollies Speed Shop 24 Teeth Kick Start Crank Gear. Fits 4Spd Big Twin 1936-1986

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $40.00
• Add to cart

  

  

  In Stock

  Eastern Motorcycle Parts Main Drive Gear Bearing. Fits 4Spd Big Twin 1982-1986.

  Transmission - BT 4 spd era, Transmission & Final Drive, Transmission Internals BT 4 spd era

  $36.00

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