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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
Speedmaster valve locks are wider-angled 10 degree locks
not from sand molds
They're designed with performance in mind
pulling trucks
3/8" Steel & Viton Valve Stem Seals (0.375" x 0.563" Suits Ford FE) Speedmaster valve locks are wider-angledValve 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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