Le Pera Custom Spring Mounted Solo Seat L-100 Solo seats with steel pans are designed for use with springs, PART #s 28-6107-BC142, 28-6113 or 28-60106 (sold separately) Feature smooth, black Naugahyde, metalflake or leather covers, high-density foam interiors and steel base plates The small solo seat features a simple, classic look as well as comfort and fit Made in the USA Driver Seating: 9in. Wide