Speed StoreThis stud kit is often used with Factory cast iron Mazda plates this kit uses 7 longer stands with double nuts.*Kit contains 16 1/2 studs with ARP 12 point nuts and washers20B 1/2UNF STUD KIT (Cast Iron plates)SKU: 1-2UNF20B$1,194.00PriceQuantityAdd to CartBuy Now