Speedmaster PCE279.1023 Cylinder Head Fasteners 1997-02 Chevy LS 12-Point Head Black Oxide Finish Torque Specs with Moly Lube: 25lbs 1st pass, 50lbs 2nd pass, 70lbs 3rd pass (under valve cover). 22lbs for exhaust ports.Torque Specs with Motor Oil: