Ford SB 302 351w 1.7 Ratio 7/16" Ultra Black Chromoly Roller Rocker Arms Set where dynamic flow and rock-steady

where dynamic flow and rock-steady pressure control are desired

The outer cases made from 8620 Chrome-Nickel-Moly steel and the case hardened for long life and improved strength

12-point head design and a larger-than-stock shank diameter

The larger needle bearing fulcrum can withstand valve spring loads up to 600lbs

Speedmaster H-beam connecting rods are one of the strongest connecting rods available

Ford SB 302 351w 1.7 Ratio 7/16" Ultra Black Chromoly Roller Rocker Arms Set where dynamic flow and rock-steadySpeedmaster 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.