These are original GM Z28-LT1 valve covers are available in a limited supply. Features perimeter style mounting.
Genuine General Motors product.
Find in OPGI's 2018 Monte Carlo Catalog page 130.
This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.