COMP Cams · New
COMP Cams Valve Seal Viton Metal Body W
MPN 518-1 · Store SKU cca518-1
Supplier stock checked 11/7/2026, 9:46:22 PM UTC. Adding a part does not reserve it.
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Product details
Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 518 seal has a .575" OD and fits applications with 11/32"" valves and .530" OD guides. 11/32" Viton Metal Body Seal for use with Triple Spring with a Total OD of .575" 1 Metal Body Viton Valve Seal for .530" Guide Size, 11/32" Valve Stem
Manufacturer fitment & guides
- Engines w/ 0.530" OD Valve Guides and 11/32" Valve Stems
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- California Proposition 65: Y