Ford SB 302 351w 1.6 Ratio 7/16" Ultra Black Chromoly Roller Rocker Arms Set the LS-series heads are produced

the LS-series heads are produced using our "Gravity Casting" process

it provides efficient high water flow and reliable performance

allowing it to run cooler and quieter than external units

Speedmaster alternator pulleys are manufactured from quality materials to ensure strength and durability

Speedmaster Twin-Carb combine two four-barrel carburetors to achieve the best balance of drivability

Ford SB 302 351w 1.6 Ratio 7/16" Ultra Black Chromoly Roller Rocker Arms Set the LS-series heads are producedSpeedmaster 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.