This oil pan baffle eliminates most of the oil climbing up and sloshing around the rear of the oil pan. This baffle helps keeps the oil off of the crankshaft counterweights and rods. The baffle fits between the oil pump and rear main cap. A must to help keep the oil in the sump area of the pan under hard acceleration. Fits all Olds engines, 330, 350, 403, 400, 425 and 455. Lazer cut from .063 stainless steel. Use as a template to modify the rear main cap and increase oil flow from the oil pump.