Big Block Mopar bellhousingfor the Reid Racing 2-piece Superglide and Super Hydra 400® case fits 361-383-400-413-426-440 B and RB series engines including the 426 Hemi. Cast from high-strength aluminum and heat treated for additional toughness, the bellhousing passes the stringent SFI 30.1 certification* and is approvedwith no external shields required. The bell weighs only13.0 pounds, features an open bottom for easy converter access, a reduced diameter forbetter floorboard clearance, and a contoured mounting flange to properly match the rear of the engine block. These bellhousings allow for direct fit to the engines withno spacers or adapters needed.Designed for use with a 130 tooth flexplate, stock style starters are used in the factory location. It will also accept the larger 168 tooth Chevy-style flexplate. Length is the same as the Chevy bellhousing.