Edelbrock part #7551 Performer RPM Air-Gap Oldsmobile 455 intake manifold is intended for aggressive street/ strip big-block Oldsmobile applications. Designed to optimize horsepower production from 1500 to 6500 rpm, this manifold will perform best with en
Product Features:- 1500-6500 RPM Range
- Dual Plane Type-4150 Style Flange
- 5.04 in. Front Height, 5.54 in. Center Height, 6.04 in. Rear Height
- Satin Finish
- Non-EGR