Ford SB 302 351w 1.7 Ratio 7/16" Ultra Black Chromoly Roller Rocker Arms Set The Speedmaster shift selector shaft

The Speedmaster shift selector shaft uses an O-ring to prevent leakage from GM TH400 cases

When good looks are important

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

They are installed between the water pump pulley and the drive flange

Speedmaster water pumps have a bigger impeller and larger cavity size to flow 40 percent more coolant than stock

Ford SB 302 351w 1.7 Ratio 7/16" Ultra Black Chromoly Roller Rocker Arms Set The Speedmaster shift selector shaftSpeedmaster 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.