COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. These 513 seals have a .600" outer diameter and fit applications with 5/16" valves and .600" OD valve guides.
PTFE; Seal; Valve Guide; Valve Guide Seal; Valve Stem Seal; Valve Seals; 5/16" Valve Seals; 11/32" Valve Seals; .530" Valve Seal; Umbrella; O-Ring Seals; Viton Seals; 8 mm Seals
Available individually under 513-1, available in a set of 12 under 513-12
Set of 16 PTFE Valve Seals for .500" Guide Size, 5/16" Valve Stem
Engines w/ 0.500" OD Valve Guides and 5/16" Valve Stems
COMP Cams Valve Seals 5/16in PTFE W/.500
16 PTFE Seals .500" Guide, 5/16" Stem
Engine Valve Stem Oil Seal Set
Valve Stem Oil Seal
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