mods are . 3" tubes and airfilters, 65mm throttle bodies, extrude honed gen 2 intake matched to heads , gen 2 injectors, heads ported and flowed by killians head service flowed 300 cfm at .600 lift.2.02 in. / 1.6 ex. valves harlan sharp rockers , comp cam .607 lift to complement the head flow...