Starting with the time proven 1-piece Superglide, Reid Racing engineers decided against the "cut it in half" approach and specifically designed this case to be used as a 2-piece unit. The full 360 degree reinforced mounting flange provides the needed rigidity and stiffness, while extra thickness in critical areas adds strength to the rear of the case and eliminates the need for an internal liner. Unlike our sand-cast competitors, our permanent mold casting process is used for extremely accurate, tough, porosity-free cases. Adapter bellhousings...