Option one doesn't make sense. What is changing the headers gonna do for you? Personally I'd swap out engine and trans from a cobalt ss. But my car uses ecotec already
Option one doesn't make sense. What is changing the headers gonna do for you? Personally I'd swap out engine and trans from a cobalt ss. But my car uses ecotec already
just edited the OP, yes I meant Refurbished Cylinder Head with new Cams and New Valves/ Valve seals.