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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
chain or belt wear
* Axle Spacer Kit Can Include the following
* Full heat shields on both front and rear headers
Main Jets: 170
* Replaces OEM # 43871-73
Sealed Inner Primary Bearing Upgrade Kit. Fits 5Spd Big Twin 1985-2006 PBI-276-22 chain or belt wearThe 34091 85 inner bearing race has been used on Big Twins since 1985. The inner primary bearing rides on this race. By design, this race press fits onto the transmission mainshaft. This system works fine for stock engines. 100 HP+ engines will make this bearing walk on the mainshaft. If it walks inboard, it will damage the maindrive gear seal and cause a transmission oil leak. If it walks outboard, it will cause a primary oil leak. Our high torque