Everything you need to attach components and accessories to a long block on up. Every fastener is significantly better than grade 8. You have a choice of two premium materials and finishes, both are rated at an impressive 170,000 psi tensile strength. Choose from heat-treated 8740 chrome moly steel alloy bolts, which feature a black oxide finish or polished ARP stainless 300 material, which has the added benefit of being virtually impervious to rust and corrosion. Each kit contains bolts and washers for: intake manifold, valve covers, oil pan, headers, water pump, motor mounts, timing cover, thermostat housing, distributor bracket, coil bracket and fuel pump.