ProMaxx Performance 9231: MAXX Series Aluminum Cylinder Heads 100% CNC Ported
Ford FE 390-428 ci
MAXX Series Aluminum Cylinder Heads 100% CNC Ported 200cc Intake Ports 72cc Combustion Chambers 2.09'' Intake / 1.66'' Exhaust Valves .600'' Max Lift Hydraulic Flat Tappet Springs Stainless Steel Valves Assembled, 2/pkg