Pro Bronze Valve Guide Valve Guides are made of the highest quality manganese bronze material available. This provides additional clearance between retainer and seal for increased valve lift. Valve Guides provide excellent stability so they can be run...

Viton Valve Seals (Stock Guides) Viton Valve Seals are the latest in valve seal material, surpassing Teflon! Heat resistant to 440 degrees, they eliminate oil consumption through the valve guide and provide smoother engine idling by stopping manifold...