20pcs Chrome Cragar Mag Lug Nuts with Washer, 7/16x20 RH, 1.36in Shank Length, 2.4in Total Length, 21mm or 13/16 Hex - Compatible with Buick Chevy Pontiac (See Listing for Exact Year Model)

[ SPECIFICATIONS ] Thread Size: 7/16-20 Total Nut Length: 2.40 inches Shank Length: 1.36" Shank Diameter: 0.67" Hex Size: 21mm (13/16") Material: Steel (Heat Treated) Washer Diameter: 1.25" [ 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 7/16-20 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 55mm (2.16 inches), these nuts will bottom out, potentially causing accident and/or injury.

• 20-piece package of mag-style aftermarket lug nuts. These steel alloy lug nuts are cold-forged and heat-treated to ensure strength, performance, and durability. Machine-precision 7/16"x20 threads ensure a snug fit onto vehicle's studs. Coating undergoes salt spray testing to ensure extra protection from rust/corrosion.
• Compatible with select Chevrolet Bel Air, Biscayne, Camaro, Caprice, Chevelle, Chevy II, Corvette, El Camino, Impala, Lugana, 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 | Total Length: 2.40 inches | Thread Size: 7/16-20 | Seat Type: Mag Style | Shank Length: 1.36" | Shank Diameter: 0.67" | HEX SIZE: 21mm (13/16") | Color: Silver / Chrome | Washer Diameter: 1.25". See Diagram for Measurements.
• [Safety and Installation] Wheel hardware is an important safety component. Ensure these lugnuts 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. Torque wrench is required for a safe installation. 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 Chevrolet, Oldsmobile, Pontiac vehicles. We are confident you'll find our lug nuts to be a comparable OEM replacement steel lug nut set, at a significant cost savings.