RPM Air-Gap Intake Manifold. 180° dual plane high rise design for outstanding power from 1500 to 6500 RPM. Intake Manifold Height: 4.720 in. Fits: 1955-1986 Small Block Chevy 262-400. Chevrolet 1975-1976 V84.3 L / 262 in3 Chevy Small Block 4-barrel square bore.
