Polished grade 10.9 stainless steel foot peg bolt kit for your Yamaha 2004-2013 YFZ450 Non-EFI ATV’s. These American Made metric stainless steel bolts are rated at 170,000psi tensile strength and are stronger than the factory bolts. They have a 12 point flanged head and install with a 12mm 12 point socket. All bolts and washers in the kit have been polished. This kit fits all 2004-2013 YFZ450’s.