Manufactured from high quality die-cast aluminium, and are available in three popular finishes: lustrous chrome, polished aluminium, and signature Black Crinkle. The chrome and polished finishes have recessed inlaid painted emblem configurations in black or blue colours. The Black Crinkle finish has choices of a spectacular precision-machined raised emblem, or recessed emblem with signature Mopar blue inlaid paint. Each Slant-Edge Air Cleaner is sold as a kit, and includes a lid, base, filter element, two carburettor 1/4"-20 studs(5/16"-18 adapter included), and additional PCV hardware.