Competition racing valve cover displays the Chevrolet name and Bowtie insignia. It has 1 hole on each side for PCV or oil fill. Designed for pre-1986 engines with perimeter hold downs. Can be used with 18° heads.Pit Stop USA offers GM Performance Parts Cast Aluminum Competition Valve Covers - Stock Height - Cast Aluminum - Natural - Chevrolet Logo - SB Chevy Pre-86 - 18° 1-Hole Each Side 12480127 at low everyday prices. Be sure to check out all of our products from GM Performance Parts including GM Performance Parts Aluminum Valve Covers - Small Block Chevy.