Intake Manifold Fit For 67-03 Small Block Chrysler Mopar 318 340 360 MT023030 78504651Description: This intake manifold will compatible with 1967 2003 Small Block Chrysler Mopar 318, 340 & 360 Dual bolt pattern for use with 1967 1991 318, 340 & 360, and 1992 2003 318 & 360 Magnum V8 Engines Estimated runner length Shortest: 5. 00 in. Estimated runner length Longest: 6. 250 in. Specifications: Basic Operating RPM Range: 1,500 6,500 Material: Aluminum Single Or Dual Plane Type: Dual Plane