McGard Black Hex Lug Nuts (4-Pack) gauges 15658 is produced using CNC

15658 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty

Cleaner-running engine

HD crossmember and indexing ring fix driveline angles

T304 holds up under extreme conditions

McGard Black Hex Lug Nuts (4-Pack) gauges 15658 is produced using CNCEvery lug nut is fully machined from restricted chemistry steel made specifically for McGard and through hardened for its unsurpassed level of safety. McGard's plating process includes three layers of nickel and one layer of microporous chrome black producing a superior finish while protecting against rust. Tough Nuts are designed and built for the real world, because life is tough. For use with steel or aluminum wheels with exposed decorative lug