AFR 227cc Eliminator Race Aluminum Cylinder Heads - Small Block Chevrolet GBDL1 1964-1967 Mercury Caliente

1964-1967 Mercury Caliente

7/16-20 in Thread

Bypass Valve

Removes contaminants that can degrade fabric performance

1988-1996 Oldsmobile 98

AFR 227cc Eliminator Race Aluminum Cylinder Heads - Small Block Chevrolet GBDL1 1964-1967 Mercury CalienteAFR 227cc intake port small block Chevy angle plug aluminum cylinder heads are available in two stages of performance. The Race Ready version features 100% CNC ported intakes while the higher flowing Competition version features 100% CNC ported intakes with greater detail. Both come with 100% CNC ported 65cc or 75cc combustion chambers and 80cc exhaust ports with a 3 4'' thick head deck (ideal for nitrous or blower applications). Standard valves are