COMP Cams Positive Stop Valve Stem Seal - 3/8 in Valve Stem - 0.500 in Guide - Steel Body / Viton - Set of 16 521-16 R07C08YM sender #2259 is also required

sender #2259 is also required

Includes Long Bolts For Center Upper Bolt Hole - 1 Per Valve Cover

Sets come with V-Net EGT junction boxes

Melling 67-81 350 Chevy Pump M99HVS

This easy to read two inch diameter non-hazing face allows for quick brake line pressure checks from 0-1

COMP Cams Positive Stop Valve Stem Seal - 3/8 in Valve Stem - 0.500 in Guide - Steel Body / Viton - Set of 16 521-16 R07C08YM sender #2259 is also requiredProviding the best sealing properties and spring clearance, Viton valve seals are an excellent choice in performance applications. The 521 seals have a . 545" OD and fit applications with 3 8" valves and . 500" 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