Edelbrock Gasket Intake Chevy Small Block Edelbrock 200 E-Tec Cylinder HeadsEdelbrock part #61579 Performer Pontiac D Port Cylinder Heads designed for 1962 79 389, 400, 421, 428 and 455 c. i. d. V8 Pontiac engines with a 4. 060" or larger bore. They feature optimized oil return passages for increased oil flow. This Part Fits: Year Make Model Submodel 1977 Buick Century Base 1977 1979 Buick Century Custom 1979 Buick Century Special 1977 Buick Regal Base 1977 Buick Regal SR 1977 1979 Buick Skylark Base 1978 1979 Buick Skylark