Fel-Pro crankshaft repair sleeves provide a new smooth sealing surface for crankshafts with a groove worn into the sealing surface.This is a common problem on engines with full circle rear main bearing seals.

Fel-Pro Sleeve 'N' Seal harmonic balancer reapair sleeves provide a new sealing surface by repairing the groove worn itno the hamonic balncer by the oil seal.

Fel-Pro recommends that for proper installation of all repair sleeves, a Fel-Pro installation tool is used.