Collection:
Transmission Internals BT 4 spd era
18 productsShop the range of aftermarket motorcycle transmission & final drive products at Pro Class Custom Parts.
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Windshields & Luggage
4th Main Drive Gear. Fits 4Spd Big Twin 1936-1976. - Andrews Products
Regular price
$572.99
Sale price
$572.99
Regular price
Unit price
/per
Stock main drive gear (4TH) 26 Teeth.
* (1936-1976) loose rollars OEM 35065-65
* Replacement 4th gears are made with wider drive slots and steeper lead-in ramps for more positive 3-4 shifting.
Countershaft Gear. Fits 4Spd Big Twin 1936-1976. - Andrews Products
Regular price
$484.99
Sale price
$484.99
Regular price
Unit price
/per
* OEM 35700-36 (loose rollars)
* Replacements for stock countershaft 3rd gear cluster.
* With Andrews 4 speed gears, transmissions last longer, shift faster, and just plain run better.
Kickstart Shaft. Fits 4Spd Big Twin 1936-1986. - Jims
Regular price
$306.99
Sale price
$306.99
Regular price
Unit price
/per
* High-quality steel replacement shaft
* Machined for an exact fit
* Made in the U.S.A.
* Replaces OEM # 33096-54
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