The Speedmaster Ford Cleveland cast irone heads are a perfect upgrade for both 2 and 4 barrel engines. As another benefit, you can run higher compression with these heads before the onset of power robbing detonation.
FERREA 5000 Stainless EXHAUST Valves/8 for Ford 351 Cleveland 4v 1.710 head 5.06
FERREA 5000 Stainless Intake Valves/8 for Ford 351 Cleveland 4v 2.190 head 5.30
Ford 351 Cleveland 4V 254cc 64cc Cast Iron Bare Cylinder Head
Ford 351 Cleveland 4V 254cc 64cc Hydraulic Flat Assembled Cylinder Heads
Ford 351 Cleveland 4V 254cc 64cc Hydraulic Roller Assembled Cylinder Heads