High Torque Bearing Kit


High Torque Bearing Kit

High Torque Bearing Kit

 

The 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 race 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 bearing kit eliminates this condition. Kit includes a precision honed bearing and seal.

 

PN 189-56
Fitment: 1985-2007 Big Twin Models

 

Installation Instructions
Bearing kit installation instructions: Click Here

 

 

 

 

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