Edelbrock performer rpm air gap manifold to suit Ford cleveland.
Design features an open air space that seperates the runners from the hot engine oil resulting in a cooler, denser charge for more power.
Rev range 1,500 to 6,500rpm.
Square bore pattern.
Dual plane design. Works well with 4V & 2V heads.
Manifold height front 4.48″, rear 5.56″.
Port size 1.38″ x 2.04″.