Manton Pushrods D-302-6.0 - Series 3 6.0 Powerstroke Diesel Pushrods Series 3 semi to high performance: 11/32 diameter by .120 wall thickness Hard drawn 4130/4135 seamless chromoly tubing - approximately 170,000 psi tensile strength Rated for use in applications up to 700 Horse Power Billet tips made from high impant , wear resistance 8620 bar stock is then Case hardened , heat treated and tempedered Stock length