ported heads, ported exhaust manifolds, 180stat, colderplugs, cai, ported throttle body, custom exhaust, ported lim, 3.5pulley, custom tune. But I have not mest with the duration of how long the valves stay open (cam, rocker arms) Just ported everything out to improve flow of air through the motor. Car runs great except for wot and it runs good but only getting like half boost.