Ford SB 302 351w 1.7 Ratio 7/16" Ultra Black Chromoly Roller Rocker Arms Set The Speedmaster TDS ring and

The Speedmaster TDS ring and pinion sets are engineered manufactured and tested for maximum performance

Speedmaster has chosen the most popular diameters for their pulleys

Whether it's a new build or just general maintenance Speedmaster has what you need to get out on the road

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

Ford SB 302 351w 1.7 Ratio 7/16" Ultra Black Chromoly Roller Rocker Arms Set The Speedmaster TDS ring andSpeedmaster 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.