Chevy SBC 350 1.6 Ratio Alum. Shaft Mount Roller Rocker Arm Set (Zero Offset) Speedmaster billet steel flywheels are

Speedmaster billet steel flywheels are fully CNC machined from a high tensile aircraft material billet steel

Speedmaster billet main caps improve reliability in highly stressed engines by reducing distortion of the main bearing bores

Available in different bore diameters to suit your specific engine's needs

and are chrome finish to provide a rich

Chevy SBC 350 1.6 Ratio Alum. Shaft Mount Roller Rocker Arm Set (Zero Offset) Speedmaster billet steel flywheels areSpeedmaster extruded aluminum and stainless steel shaft mount rocker system includes steel shafts with pedestals. All rockers feature large needle bearings and roller tips. For extreme high performance applications. They not only unleash horsepower, but they also lengthen valvetrain component life and reduce wear and tear on valve stem tips. These rockers are precision machined to ensure consistency and ratio accuracy and have a great looking finish.