Motion Billet Fuel Cap (Screw on) 12 bolt w/ Seal and Hardware 27-150 - Motion Raceworks Billet Fuel Cap is designed to provide you everything needed to replace your old worn-out red plastic quarter turn fuel cap or to have a what you need to build a fuel cell from scratch. Machined from 6061 aluminum and anodized with Motion engraving. This O-ring seal cap makes life easier and much more appealing to the eyes. This fuel cap base has a 12 on 5.343" bolt circle. - Included: Fuel Cap Base 12 bolt, Screw on Fuel Cap, Hardware, Rubber Seal - Proudly Made in the USA!