“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
The covers are polished to resist oil staining
Built to clear most rocker combinations, stud girdles and shaft rockers (Including T&D Rockers, and measure 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 $400. Made in the USA.
The holes for breathers, relief valves, or bungs are not pre-drilled. Gaskets, Bungs, and Relief Valves are available, but not included.
Bungs, and Relief Valves are available, but not included.