The Moroso GM LS valve cover fitting is a 12AN male fitting intended for use with Moroso valve covers on GM LS applications. It provides a standardized AN-style threaded connection at the valve cover, supporting larger hose or plumbing connections and matching the fitting style used on Moroso LS cover products where an AN interface is required.
Moroso GM LS Valve Cover Fitting - Moroso Valve Covers -12An Male Fitting