Fits 1955-1991 Chevrolet 262-400 Gen I Small Block with 18 Degree Cylinder Heads Chevrolet They are roto-brated after welding

They are roto-brated after welding and hydro-formed to relieve any stress created during manufacturing

Fits 1965-1992 Chevrolet models

This peace-of-mind solution allows for OEM functionality with new O-rings and gasket included

These matched components provide the peace of mind purchase you've come to expect over the years from Hays

#77479 and #77485

Fits 1955-1991 Chevrolet 262-400 Gen I Small Block with 18 Degree Cylinder Heads Chevrolet They are roto-brated after weldingMr. Gasket Performance Intake Gaskets are manufactured from cellulose nitrile composition gasket material. This is a low density material that conforms well to irregular surfaces and has very good crush resistance at high flange pressures. They provide excellent sealing and durability as the material is designed for sealing gasoline, oils, water and coolant in applications up to 350 degrees Fahrenheit. While die cut for an excellent fit, they can be