The Nightrun Garage Exhaust Bolt Kit includes two high quality M10x1.25 40mm bolts and two serrated flange nuts that are used on most typical 2-bolt exhaust flanges. The zinc coated bolts are Class 10.9 which is rated at 150,000 psi tensile strength. They are made out of alloy steel that is quenched and tempered for maximum strength. Price is for two bolts and two nuts.
