This 1110905 Delco distributer is very rare and required for the 283 HP set up. Shaft gears turn freely and the unit is very clean. Tape it up and paint the upper casting end for NCRS shows. Dated 7A10 (Jan 10 1957. correct casting # 1938653. $2600 + insurance and shipping. cell leave a message. Spring, Corvette, fall Carlisle P/U available.