Pro Bronze Valve Guide (Exhaust Side) Valve Guides are made of the highest quality manganese bronze material available. This provides additional clearance between the retainer and seal for increased valve lift. Valve Guides provide excellent stability...

Pro Bronze Valve Guide (Intake Side) Valve Guides are made of the highest quality manganese bronze material available. This provides additional clearance between the retainer and seal for increased valve lift. Valve Guides provide excellent stability...