COMP Cams High Energy Nitride Steel OEM / Long Slot Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Small Block Chevy (Set of 16) AFR6915 GM A-Body / F-Body 1974-81

GM A-Body / F-Body 1974-81

This way you can make adjustments on the fly to prevent detonation as fuel quality or altitude and air quality changes up to a maximum of 15 retard

77 cc Chamber

Mounting Options (sold separately): Dual bar mounts (one for each side)

ProACT Ultra-Premium

COMP Cams High Energy Nitride Steel OEM / Long Slot Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Small Block Chevy (Set of 16) AFR6915 GM A-Body / F-Body 1974-81These 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. Product Description: Rocker Arm High Energy 3 8 in