Chevy SBC 350 1.6 Ratio Alum. Shaft Mount Roller Rocker Arm Set (Zero Offset) With their compression-style design

With their compression-style design

not rolled or stamped

off-road trucks

exhaust gaskets

Speedmaster valve locks are wider-angled 10 degree locks

Chevy SBC 350 1.6 Ratio Alum. Shaft Mount Roller Rocker Arm Set (Zero Offset) With their compression-style designSpeedmaster extruded aluminum and stainless steel shaft mount rocker system includes steel shafts with pedestals. All rockers feature large needle bearings and roller tips. For extreme high performance applications. They not only unleash horsepower, but they also lengthen valvetrain component life and reduce wear and tear on valve stem tips. These rockers are precision machined to ensure consistency and ratio accuracy and have a great looking finish.