Collection:
Transmission Internals BT 4 spd era
17 productsShop the range of aftermarket motorcycle transmission & final drive products at Pro Class Custom Parts.
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FXR
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Front Susp. Related
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Front Suspension: 35 & 39mm
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Front Suspension: 41mm
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Front Suspension: 49mm
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Rear Shocks: Dyna
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XL'79-03
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Final Drive
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Transmission - BT 4 spd era
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Transmission - BT 5 spd era
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Transmission - BT 6 spd era
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Transmission - XL 4 spd era
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Transmission - XL 5 spd era
Windshields & Luggage
Kickstart Shaft. Fits 4Spd Big Twin 1936-1986.
Regular price
$244.99
Sale price
$244.99
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
MFR PART No: 33096-54B
ROLLIES PART No: JM-33096-54B
Transmission Main Bearing Race. Fits Big Twin 1937-1977.
Regular price
$228.99
Sale price
$228.99
Regular price
Unit price
/per
* Standard O.D. is 2.314″, I.D. is 1.8802″.
* It will depend on the amount of press fit and will determine the amount of line lapping required to fit new bearing and mainshaft.
* Replaces OEM # 3...
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