Holley 300-64 Street Dominator Intake - Chevy Small Block V8Street Dominator Intake Manifold w EGR 1987 Later with Cast Iron Head Part Number: 300 64 Street Dominator Intake Manifold w EGR 1987 Later with Cast Iron Head Features and Benefits Square Carburetor Mounting Flange EGR Provisions Height: Front 3. 68", Rear 5. 02" Port Size: 1. 90 height 1. 16" width High Rise Dual Plane Design Power band: Idle 6000 RPM Utilizes late model alternator and A C bracket mounting provisions. Has vacuum taps off manifold