Promaxx Performance continues to evolve with the Project X lineup and has raised the bar on the competition. There is NO AS CAST head on the market that can outflow these heads PERIOD! Cylinder Head Assembly Series:Project X.
Promaxx 9217A, SBC Project X Series Assembled Alum Cylinder Heads, Angle, 215/64
Promaxx 9216A, SBC Project X Series Assembled Alum Cylinder Heads, Angle, 215/64
Promaxx 9197A, SBC Project X Series Assembled Alum Cylinder Heads, Angle, 200/64
ProMAXX Cylinder Head Assembly Set 9196S; Project X 200cc 64cc Straight for SBC
ProMAXX Cylinder Head Assembly Set 9186S; Project X 185cc 64cc Straight for SBC
ProMAXX Cylinder Head Assembly Set 9197S; Project X 200cc 64cc Straight for SBC
