Rubber Positive Valve Stem Seal – Fits an 11/32″ Valve Stem And .500″ Guide

Rubber Positive Valve Stem Seal – Fits an 11/32″ Valve Stem And. 500″ Guide O.D., Valve Seals For SBC BBC SBF, Positive Seal. HEAVY-DUTY MATERIALS RESIST OIL, HEAT, AND PRESSURE: Manufactured using high-grade synthetic rubber, these standard valve seals provide long-lasting sealing power under high-stress conditions.