Cylinder Head Assembly Series:Maxx. An As Cast head that is just as efficient as competition’s CNC ported pieces. Independent flow bench testing shows over 400 cfm with 2.300 valves. This head will change the industry.
ProMAXX Cylinder Head Assembly Set 9200; Maxx 200cc Alum 64cc Straight for SBC
ProMAXX Cylinder Head Assembly Set 9206; Project X 210cc Aluminum 56cc for SBF
ProMAXX Cylinder Head Assembly Set 9196S; Project X 200cc 64cc Straight for SBC
ProMAXX Cylinder Head Assembly Set 2169; Series One 185cc 64cc, Straight for SBC
ProMAXX Cylinder Head Assembly Set 9172; Maxx 170cc Aluminum 72cc for Ford FE
ProMAXX Cylinder Head Assembly Set 9175; Maxx 180cc Aluminum 60cc for SBF
