Aeroflow Performance GM LS windage tray reduces aeration of the oil from windage duringoperation. The custom engineered contours optimize rapid oil return to the sump while providing optimum protection against oil splashback resulting in improved oil control for your performance engine. The louvered windage tray suits upto a 4" stroke and front and rear sump oil pans whetherstandard or aftermarket (Note: Some modifications may be required in some applications). They mount direct to the main caps with provisions for front and rear oil pick ups as well as aftermarket main studs (Note: All mid mount oil pickups in VE-VFmodels will require some modifications to fit).