Manifold Intake: Pontiac 326-455 V8 (non-egr)This is for NON EGR valve equiped Pontiac V8 engines.. if you want increased performance in the 0 5500 rpm range on a street engine.. using a quad 4 bbl carb.. square bore. this is about as good as they come. NOT FOR TRANS AM WITH SHAKER HOOD.. Fits: 65 79 Pontiac 326, 389, 350, 400, 455 Heavy part.. Delivery additional. No Provision for EGR Valve equipped manifold if your car has one or you want to keep it.. this is not for you.