SET OF TEN STUDS. Fits all 1964-2004 Ford Mustangs. Also fits all 1973-1987 Chevy C10 These are 3 inches long. Stock studs are about 2 inches long. These are identical in every other way except for the length. Meets or exceeds OEM specs! These wheel studs are GRADE 8! Select the quantity when you checkout. Purchase as many as you like. We have hundreds available. These studs have a 1/2" x 20 thread and a 3" length with a .625 knurl. SOME Mustangs will have to have the mounting holes reamed out slightly with a 39/64" drill bit in the front in order for the bolts to fit. The rear will never require reaming. Chevy C10 will require slight reaming with a 39/64" drill bit on the rear mounting holes. The front will not require reaming.