The Cometic Viton metal-jacket hat valve stem seal is a replacement seal for modern engine builds, providing a reliable seal at the valve stem to control oil ingress. Supplied as a 16-piece pack, these .256" x .500" x 1.020" x 1.000" Viton steel-body seals suit a wide range of applications from street vehicles to off-road dirt bikes and use a metal jacket for secure fit.
Cometic .256in x .500in x 1.020in x 1.000in Viton Metal Jacket Hat Valve Stem Seal - 16 Pack