Seat, 20 Series Economy Big Boy, 20 in Wide, 20 Degree Layback, Requires Hook Cover, Aluminum, Natural, EachSeat, 38 Series, 20 in Wide, 20 Degree Layback, Requires Hook Cover, Aluminum, Natural, Each KIRKEY Kirkey is a big name when it comes to aluminum racing seats. Their diverse selection of seats ranges from SFI NASCAR approved seats to basic economy models. Kirkey also offers custom covers that complement the seats very well