Edelbrock Manifold Dual Quad RPM Air Gap BB Chevy Oval Port

Edelbrock part 7520 Air - Gap Dual - Quad - O intake manifold is designed for street 396 - 502 c.i.d. Chevy V8's with 1975 earlier oval port heads. This intake stands 78 taller than the low - profile C - 66 - O dual - quad intake and offer performance improvements in the 1500 - 6500 rpm range. The large runners feature our unique Air - Gap design that separates the runners from the hot engine valley for a cooler, denser charge.