Proflow Aluminium Race Bucket Seat, 16 in. (406mm) Hip Width, Highback, Silver Finish - PFE-A406Part Number: PFE A406 Proflow Aluminum Race Seats Constructed of thick, 5052 Grade aluminum, these Proflow race seats feature a unique tubular rolled edge around the headrest, with an offset aluminum extrusion around the perimeter of the seat and shoulder harness cutouts. The exterior of each seat is TIG welded, and the inside is MIG welded for added strength. Proflow highback bucket style seats are available in a 16 & 17"' in Raw or Black Powdercoat.