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High Torque Bearing Kit

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  • 1985-2007 Big Twin Models

This part is now included in DD6 and OD6 kits.

Benefits

Eliminates lateral walking of the mainshaft race, found especially found in high horsepower setups.

This part is now included in DD6 and OD6 kits.

High Torque Bearing Kit
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Made in USA

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

$50.00
  • SKU: 1
  • MPN: PN 189-56
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