ported heads

This item has been sold, no longer available 454 Chevy Big Block Std. bore 2 Bolt Main Block Oven cleaned and steel shot blasted Magnafluxed (OK) Crankshaft H-Beam Rods JE Flat Top Pistons +.060 Rectangular Port GM Casting # 990 Iron Cylinder Heads (fully ported) Stainless Valves Roller Spring...