just got the paper work out from the engine shop , intake springs are 110 seat preasure and 247 open, flow rate for intake is 362 and 342 exhaust all at .400 lift, not comp 910s but im thinking of checking into them, another thing i bean thinkin about is a side mount superchager but more then likely an hx35 i gota have that whistle so it stops sounding like a gasser