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COMP Cams 5/16" Viton metal‑body valve seal designed to control oil consumption and preserve spring clearance in performance engines. With an OD near .545–.546", the seals match 5/16" valve stems and .500" OD guides. They’re suited for cam and spring upgrades or engine rebuilds where Viton seals provide strong sealing performance and compatibility with higher temperatures and longer service intervals.
COMP Cams Valve Seals 5/16 Viton Metal Body
