Edelbrock Gasket Intake Small Block Chevy 23-Degree Cylinder Heads

These gaskets feature Micropore MP-2N an ultra-modern environmentally safe gasket material provides excellent sealing on rough, irregular flange surfaces. Edelbrock Gasket; Intake; Small Block Chevy 23-degree Cylinder Heads Edelbrock part #61585 Performer Pontiac D-Port Bare Cylinder Heads are designed for 1962-79 389, 400, 421, 428 and 455 c.i.d. V8 Pontiac engines with a 4.060" or larger bore. Chevrolet:Small-Block Gen I:302 (4.9L)/327 (5.4L)/350 (5.7L)/400 (6.6L)