Edelbrock 7561 RPM Air-Gap intake manifold
The Edelbrock Exclusive Air-Gap design from Edelbrock features an open space between the intake runners and the hot engine oil resulting in a cooler, denser charge and more power. The Air-Gap manifolds are modeled after Performer RPM intakes for high-performance street power from idle 1,500 to 6,500 RPM and Performer Series intakes for power from idle to 5,500 RPM.