The SR20 valve covers we have are good for the Big Block Chevy “SR 20” Head
- “WILLIAMS Performance” 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!
Made in the USA.
The holes for breathers, relief valves, or bungs are not pre-drilled.