Black Nostalgic Finned Aluminium Push-In Valve Cover Breather BBC All Aluminium Valve Covers are

All Aluminium Valve Covers are not the same

5 to 4 Inch I

PCV and other gaskets are not included

Made of heavy gauge steel tubing

J-B Weld Ultimate Grey Gasket Maker & Sealant is an RTV (Room Temperature Vulcanized) Silicone gasketing material designed for use in mechanical assemblies where higher torque or closely spaced bolt profiles can lead to higher loads and cause gasket and sealing failures for average silicones

Black Nostalgic Finned Aluminium Push-In Valve Cover Breather BBC All Aluminium Valve Covers areCast finned aluminium Black EDP finish Push in design Raised fin design and rounded corners (modelled on the performance factory valve covers of the 1950s & 1960s) Specifically designed to fit valve covers with 1. 5 breather holes