Compatible with select Buick Apollo, Century, GS,GS 350, GS 400, GS 455, LeSabre (CSM), Regal, Skyhawk, Skylark. Compatible with select Chevrolet Bel Air, Biscayne, Camaro, Caprice, Chevelle, Chevy II, Corvette, El Camino, Impala, Malibu, Nova. Compatible with select Pontiac Bonneville, Catalina, Firebird, Grand Am, Grand Prix, GTO, LeMans. Compatible with Oldsmobile Cutlass. Vehicle Must Have 7/16"-20 7/16x20 7/16"x20 Studs. Cragar Standard Mag Lug Nut with Washer Centered Hole
Total Length: 1.73 inches
Thread Size: 7/16x20
Seat Type: Mag Flat
Shank Length: 0.71 inch
Shank Diameter: 0.67"
HEX SIZE: 21mm (13/16")
Color: Black
Washer Diameter: 1.25". See Diagram for Measurements. SAFETY ADVISORY: Wheel hardware is an important safety component. Ensure these lug nuts are the proper size before installing. Failure to install correct hardware is unsafe and may cause wheel/tire assembly to loosen or fall off while vehicle is in motion. INCLUDED: One Package contains a 20 Pack of Mag Style Lug Nuts with Centered Hole Washer. These Black Lug Nuts arrive in a small compact box that is portable for easy storage. You will need certain tools for lugnut installation, including floor jacks and torque wrench. You'll also need a 21mm (13/16") Hex Socket Key Tool. These 7/16-20 lug nuts are not an oem or genuine OE part, but are compatible with various Buick, Chevrolet, Oldsmobile, Pontiac vehicles. We are confident you'll find our lug nuts to be a comparable OEM replacement, at a significant cost savings. Our lug nuts are made with with strong cold forged steel. Heat treated to ensure dependable strength, durability and performance. Triple coating provides the ultimate in corrosion, rust and scratch resistance. [ FITMENT ] For 5-Lug Vehicles that have 7/16" Thread Pitch studs. Compatible with CHEVROLET: 1960-1970 Bel Air, 1958-1964 Biscayne, 1967-1982 Camaro, 1977-1990 Caprice, 1968-1972 Chevelle, 1962-1967 Chevy II, 1953-1982 Corvette, 1964-1972 El Camino Compatible with PONTIAC: 1960-1986 Bonneville, 1977-1981 Catalina, 1967-1981 Firebird, 1973-1980 Grand Am, 1978-1981 Grand Prix, 1964-1973 GTO, 1964-1981 LeMans. Compatible with OLDSMOBILE: 1961-1981 Cutlass. [ IMPORTANT: Check before purchasing ] 1) Your vehicle MUST HAVE 7/16" Thread Wheel Studs. 2) Your wheel lug holes must have these Flat Mag Style Seat. 3) Your wheel's lug seat diameter must be at least 0.67" for the nut to fit though. 4) Your wheel's lug hole must be larger than 1.25" in order for the washer to fit. 5) See the lug nut diagram to ensure these lug nuts are the proper size. Compare the length/width of these lug nuts to the nuts you are currently using. 6) Check vehicle's wheel stud length. If your wheel studs are longer than 41mm (1.6 inches), these nuts will bottom out, potentially causing accident and/or injury.