This '75 Monza was delivered to a Chevy dealer outside Chicago with IMSA wide body racing front and rear panels and fenders. This IMSA body was never offered as a dealer option - not even a COPO according to the GM Heritage office. It was originally equipped with a 262 cu. in. V8 with Powerglide transmission. It has been updated with a 355 V8 and vintage four speed transmission. A positraction has been added and the chassis has been reinforced and the interior updated.