Best on en- gines with displacement in the 396 to 454 range producing from 600 to 700 horsepower. Big Block Chevy BBC 454 Intake Manifolds, Carbureted | Summit Racing High Performance V8 Manifold Speedmaster Intake Manifold Hi-Rise Black Chevy 396-454 1970 Edelbrock Air Gap The Edelbrock Victor Series intake Manifolds for Big Block Chevy engines are designed for high rpm performance right out of the box. Constructed from cast aluminum for reduced weight and better heat dissipation the raised air-gap style single-plane carburetor mounting pad, straight runner design and unique runner dividers offer increased power... This is a proven design that produces outstanding torque and horsepower when used in the right engine combination. Aluminum Air Gap Single Plane Intake Manifold for BBC Big Block Chevy V8 396-454 2 sold in last 8 days Brand: Product Code: DM-3716-BK Specifications: Cylinder Head Type: Oval Port Engine Make/Size: Chevy Big Block (396-454) RPM Range:3000~7500 Package Contects: 1* Intake manifold
