COMP Cams Positive Stop Valve Stem Seal - 3/8 in Valve Stem - 0.530 in Guide - Steel Body / Viton - Set of 16 515-16 YA0859 0" OD x 13" Tall

0" OD x 13" Tall - 275 lb

and high heat spikes are only observed on an intermittent basis

Clevite V-Series bearings use a lead-indium overlay which offers better conformability than lead-tin-copper overlay with slightly reduced wear resistance

Sniper EFI Low-Profile

COMP Cams Positive Stop Valve Stem Seal - 3/8 in Valve Stem - 0.530 in Guide - Steel Body / Viton - Set of 16 515-16 YA0859 0" OD x 13" TallProviding the best sealing properties and spring clearance, Viton valve seals are an excellent choice in performance applications. The 515 seals have a . 675" OD and fit applications with 3 8" valves and . 530" OD guides. The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing COMP Cams has never forgotten: Performance is defined by what happens out on the