This S - 55 is one of approximately 3280 Breezeway window Mercs. It came with a factory 4 spd, 390, It has had a frame on restoration including bare metal strip and 2 stage base clear correct colors, The motor is a mildly built 390, although not the original was out of a 63 T bird. the tranny has been converted to a Tremec 5 spd. All mechanics are done as well, all chrome and stainless are refinished too.