Dual Plane Intake Manifold Oval Ports W/Gaskets Fit BBC Big Block Chevy Holeshot. Intake Style:Dual Plane, low rise. RPM Range:Idle - 6000. Intake Manifold Height: 5.75.
Port exit dimensions: 2.05" x 1.82". Requires Aftermarket Fuel Rails: No. Cylinder Head Type: Oval Port- Small.
For the stock manifold on Chevy big block engines with general duty oval port heads. Does not fit tall deck blocks.
For 396, 402, 427 and 454 V8's with OEM 4-bbl carb. Chevy big block Mark IV. Chevy big block Gen V.
Chevy big block Gen VI. 1 Intake manifold and some fittings as pictured.