AFR - Airflow Research 6043: Stud Mount Rocker Arms for Big Block Chevy 7/16 in. 1.7 Ratio
Big Block Chevy
Stud Mount Rocker Arms Big Block Chevy Engines 7/16 in. Stud Mount Ratio: 1.7 Max Lift: .790 in. Max Open Spring Pressure: 760 lbs. Max RPM: 7400 Aluminum Set of 16