Using the latest technology, RTS has come up with these Aluminium bellhousings. These Bellhousings are Certified flexplate shields and allow for special motor and transmission combinations to be easily mated together. RTS Bellhousings are manufactured from one-piece cast aluminum, making them 5 times stronger than stock bellhousings. They are capable of withstanding even the most severe tire shake, can fit under most stock floorboards.Meets all SFI 30.1 requirements.Stock Transmission bellhousing must be cut off of transmission. This bolts directly to front pump. Bolts included. Will work with GM 11 and smaller torque converters