8mm LS Steel & Viton Dual/Single Spring Valve Stem Seals (Suits: 0.4825" Guides) which is much stronger than

which is much stronger than stock steel and mates better with an aluminum case

muscle car

With strength in mind

each hose is meticulously wrapped in a durable 304 stainless steel braid

These pulleys are available in your choice of two finishes

8mm LS Steel & Viton Dual/Single Spring Valve Stem Seals (Suits: 0.4825" Guides) which is much stronger thanValve 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.