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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
not from sand molds
exhaust gaskets
Understanding that being first across the line is what it's all about
They use silicon aluminum bi-metal construction
from everyday use to high-powered performance
3/8" Steel & Viton Valve Stem Seals (0.375" x 0.563" Suits Ford FE) not from sand moldsValve 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.
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