8mm LS Steel & Viton Dual/Single Spring Valve Stem Seals (Suits: 0.500" Guides) allowing these bellhousings to be

allowing these bellhousings to be the most dimensionally stable and accurate for today's high performance vehicles

this nut is an essential part of maintaining the tension and alignment of the supercharger belt

or better known to mechanics as the IAC

this stand blends seamlessly into your life

and 3/8 in

8mm LS Steel & Viton Dual/Single Spring Valve Stem Seals (Suits: 0.500" Guides) allowing these bellhousings to beValve 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.