Edelbrock's Black Powdercoated Signature Valve Covers are stamped from 18-gauge steel and feature a subtle texture block powder coated finish witha screen printed Edelbrock logo for great looks from a name you can count on - Edelbrock! Designed for function, these valve covers have stock-style breather baffles that prevent oil passage to the PCV valve. these quality valve covers accept all emissions equipment, including PCV valve. Rubber grommets for the breather and PCV valve holes included. Matching breather sold separately.