Pro-Flo XT EFI Multi-port Intake Manifold for Chevy GMC Buick Olds V8 Small Block RPM 88703263OEM Part Number 7137 Fit For the Following Models Avanti 1965 1985 V8 Chevy Small Block (302 400), RPM Range 1,500 6,500, Multi port Buick 1977 1986 V8 Chevy Small Block (302 400), RPM Range 1,500 6,500, Multi port Checker 1965 1982 V8 Chevy Small Block (302 400), RPM Range 1,500 6,500, Multi port Chevrolet 1955 1986 V8 Chevy Small Block (302 400), RPM Range 1,500 6,500, Multi port Excalibur 1983 1986 V8 Chevy Small Block (302 400), RPM Range 1,500