5/16" Valve Lash Caps - high grade Chromoly Steel Heat treated for added strength. .090" depth.

Crower lash caps protect the ends of your valves from excessive wear and help to correct rocker geometry by increasing rocker arm to retainer clearance. Machined from high grade chromoly steel and heat-treated for added strength, Crower lash caps give your valves an added .080" margin of protection. Highly recommended for performance applications, and a must for costly stainless steel or titanium valves.