Proflow Pro OE Style Upgrade Rockers SB Chev, Holden Chevrolet,1.5 Ratio, 3/8 Stud, 4340 Alloy Steel Roller Tip, Includes Lock Nuts & Posi Locks, Kit

ProFlow's upgraded rocker arms feature high-quality rocker bodies that utilize the factory style fulcrum mount. They are made of high-grade 4340 Alloy steel construction to ensure long-lasting durability and performance. These rocker arms are a perfect upgrade for higher rate springs and performance camshafts. Proflow's roller tip rocker arms are a perfect cost effective upgrade because they cost less than a oem stock replacement. Included are both standard style cone nuts for quick easy fitment or the more performance orientated posi locks. You get to choose because both are supplied