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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
ensuring superior durability and performance
These Speedmaster head bolt bushing kits allow you to use stock or aftermarket head bolts with Speedmaster or other aftermarket cylinder heads
people tend to forget that the yoke is the one piece that ties it all together
and large HEIs or DuraSparks
11/32" Viton Valve Stem Seals (Suits: 0.530" Guides) ensuring superior durability and performanceValve 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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