11/32" Steel & Viton Valve Stem Seals (Suits: 0.530" Guides) For performance ball joints from

For performance ball joints from a name you can trust

heat-treated and shot-peened

They not only unleash horsepower

throttle pedal assemblies are just the ticket for your vintage street rod

This is our top-of-the-line medium profile LowRise+ Series manifold

11/32" Steel & Viton Valve Stem Seals (Suits: 0.530" Guides) For performance ball joints fromValve stem seals control the lubrication of the valve stem as it slides in the valve guide. Too little oil causes stem and guide wear. Too much oil increases oil consumption and can cause a buildup of carbon, leading to valve seat damage and early valve grind. Speedmaster valve seals are posi stop seals made from high temperature Viton material for a long lasting seal.