These Nitrided COMP Cams High Energy Steel Stud Mount Rocker Arms designed for Chevy V8 265-400 applications feature a 3/8" stud diameter and 1.6 ratio. High Energy Rockers help eliminate the noise and slop associated with older worn and high mileage stock rocker arms. With a long slot for higher than stock lift camshafts, these rocker arms are an excellent replacement choice for engine rebuilds.
