ARP 430-1601 Stainless 300 12-Point Fuel Pump Bolt Kit Add ARP's legendary quality to make sure that mechanical fuel pumps stay properly aligned Manufactured from polished Stainless 300 steel, a proprietary alloy that is impervious to rust and corrosion Rated at 170,000 PSI, which is considerably stronger than Grade 8 hardware Bolts feature compact 12-point style heads Kit comes complete with high quality washers