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Aggressive
The result is greater strength compared to conventional girdles
and road conditions
Their strong die-cast aluminum design ensures an excellent gasket seal and dissipates heat better than many other covers
Manufactured from billet steel
Chevy SBC 350 15 Degree 1.6 Shaft Mount Roller Rocker Arms .450 Int .180 Exh. AggressiveSpeedmaster 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.
