Transmission – BT 4 spd era – Quality Customs

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

Thu, 09 Jul 2026 17:35:55 +0000

Features & Benefits:-

* Made from high nickel alloy

* Heat treated and shot-peened to give maximum durability & strength.

* Replaces OEM # 35040-50

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

Thu, 09 Jul 2026 17:31:22 +0000

* Replaces OEM Shift Fork # 34158-36

* One piece cold forged forks. Fully heat treated and black oxide coated, a must for all transmission rebuilds.

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

Thu, 09 Jul 2026 17:31:22 +0000

* Replaces OEM Shift Fork #34159-36

* One piece cold forged forks. Fully heat treated and black oxide coated, a must for all transmission rebuilds.

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

Thu, 09 Jul 2026 17:20:28 +0000

Features & Benefits:-

* 16 Teeth Upgrades OEM 14 Teeth.

* Includes 16 Teeth Starter Gear with bush, OEM # 33430-50

* Includes Starter Clutch, OEM # 33381-39 & 33560-75

* Includes Starter Clutch Spring, OEM # 33391-36

* Crank Gear Sold Separate # BAI-26-0234

* Replaces OEM # 33381-39, 33430-50 & 33560-75

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

Thu, 09 Jul 2026 17:20:27 +0000

Features & Benefits:-

* Replaces OEM # 33350-36 & 33350-36T

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

Thu, 09 Jul 2026 17:07:06 +0000

Transmission Countershaft

(loose rollars) OEM 35614-65

* Andrews 4 speed gears, transmissions last longer, shift faster, and just plain run better.

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

Raegun — Wed, 08 Jul 2026 04:26:00 +0000

Features & Benefits:-

* Made from high nickel alloy

* Heat treated and shot-peened to give maximum durability & strength.

* Replaces OEM # 35039-85

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

Raegun — Wed, 08 Jul 2026 04:25:53 +0000

Features & Benefits:-

* Made from high nickel alloy

* Heat treated and shot-peened to give maximum durability & strength.

* Replaces OEM # 35039-70A

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

Raegun — Wed, 08 Jul 2026 04:25:53 +0000

Features & Benefits:-

* Made from high nickel alloy

* Heat treated and shot-peened to give maximum durability & strength.

* Replaces OEM # 35039-65

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

Raegun — Wed, 08 Jul 2026 04:25:19 +0000

Requires the below to complete:

* 2 x JM-35961-52 = Brg; C/Shaft BT’77-84(2req)

* 1 x JM-9020 = Brg; Trans Main BT’36-86 4spd

* 1 x 25451 = Brg; M/Drive Gear BT’82-86 4spd

* 1 x JM-8905 = Brg; Main Drive Gear BT’77-81

* Use Jims Shift fork Align tool # JM-96385-78A

* We use JIMS# proven transmission parts to start with, then top it off with a JIMS# Gasket set, together in one convenient package.

* This is a big time saver. Note: Most kits include standard O.D. size races # please order oversize races separately.