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COMP Cams 11/32" Positive‑Stop PTFE valve seal (510) fits 11/32" valves and .500" OD guides with a .600" seal diameter, providing sealing suitable for dual‑spring installations. The positive‑stop PTFE style balances clearance and sealing better than larger umbrella seals, making it a preferred choice when spring packs reduce available guide clearance.
COMP Cams Valve Seals 11/32in PTFE W/.50
