Ford SB 302 351w 1.7 Ratio 7/16" Ultra Black Chromoly Roller Rocker Arms Set The Speedmaster throttle body begins

The Speedmaster throttle body begins as a billet of 6061- T6 aluminum for superior quality and is introduced to a state-of-the-art CNC machine

CNC-machined from high-tensile billet steel for strength and precision

When good looks are important

The Speedmaster 9" solid pinion bearing spacer kit is designed to retain the pinion depth settings for greater strength and reliability

Ford SB 302 351w 1.7 Ratio 7/16" Ultra Black Chromoly Roller Rocker Arms Set The Speedmaster throttle body beginsSpeedmaster roller rockers are available in various ratios, so you are good to go. They feature greater strength and durability, capable of withstanding valve spring load.