McGard Lug Nuts 9/16-18 4 Pack 921014 The valve spring creation process

The valve spring creation process is far more involved than most people realize

Soft-urethane encapsulation seals againstmoisture

not plated to protect the spring from hydrogen embrittlement

more durability

Textured Black ABS Plastic

McGard Lug Nuts 9/16-18 4 Pack 921014 The valve spring creation processChrome plated lug nuts lead a tough life.; Think about it, harsh elements, nasty corrosive wheel cleaners and lead foot drivers.; Not to mention overzealous impact guns and loose fitting lug wrenches.; This kind of treatment destroys ordinary lug nuts which turns even the best looking wheels ugly.; Tough Nuts can take the punishment and keep your wheels looking beautiful.; Tough Nuts are guaranteed for life not to rust, chip or peel.; McGard