Description "WILLIAMS Performance" "Big Chief" fabricated billet rail aluminum valve covers. These trick fabricated valve covers that are precisionly built by hand from highest quality aluminum NEW & IMPROVED 3/8" billet rails insure no oil leaks and an air tight seal for maximum vacuum retention Each cover is individually tested before shipping Precision welds insure a distortion-free fit Professionally chromed, and have a startling mirror finish Built to clear most rocker combinations, stud girdles and shaft rockers (Including T&D Rockers, inside depth measuring 2-5/8" deep.The valve cover stud kits are not included BIONDO FAMILY PROMISE: If these aren't the nicest and tightest sealing valve covers on the market we will give you your FULL money back! Similar valve covers made are sold for over $600. Made in the USA.
The holes for breathers, relief valves, or bungs are not pre-drilled. Gaskets,
Bungs, and Relief Valvesnot included
