Custom built Edelbrock aluminum heads for BBC in your choice of rectangular or oval port. Also, you may choose spring set up for flat tappet or hyd roller cam upto. Can also build for higher lift. 650.850 lift and solid roller for an upgrade. To be assembled by a 20+ year experienced engine builder and set up for your exact camshaft. I can also sell you a custom grind camshaft designed in lift, duration, LSA, and centerline specifically for your engine, car, and intended use. Time will be needed to order in bare head castings from Edelbrock in CA, and then custom build. IMPORTANT: Price is per head, assembled with…