Quick Overview
3/8” Dia. Valve Stems
1 silver, -.050” installed height
Single Groove Design:
The ultimate in strength and wear resistance! These locks are machined from highest
quality alloy steel billet material using the finest Swiss-built, automatic screw
machines and then are carefully heat-treated. Engineered specifically for today’s high engine speeds and high-tension valve springs. These machined steel locks are the only locks to be used with our “Posi Lock” valve retainers.
Oxide finished for corrosion protection.