Edelbrock part #21614 Performer 2-O intake manifold is designed for street 396-502 c.i.d. big-block Chevy V8's using general duty oval-port cylinder heads. Will not fit under hood of Corvette without hood modifications. Will not fit "tall block" V8's. May be used with OEM or aftermarket carbs. This manifold offers our long lasting bright chrome like EnduraShine finish that matches chrome and polished accessories.