Comp Cams "515-16 Set of 16 Metal Viton Valve Seals for .530"" Guide Size, 3/8 Valve Stem"

.Competition Cams a trusted industry leader. Backed by manufacturer. Designed for good performance.
.Quality Material - Made from Viton, these seals are a great performance upgrade from factory O-ring style seals.
.Machine Work Required - Unlike factory style O-Ring seals that ride on the valve, these seals attach to the guide. Machining of the guide is typically required.
.Better Clearance - Smaller outside diameter, these Viton seals offer more clearance for performance dual and beehive valve springs.
.Fits Engines w/ 0.530" OD Valve Guides and 3/8" Valve Stems
.Made in USA
.Fit type: Vehicle Specific