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Speedmaster arm stud kits are made of 4140 Chromoly steel
CNC-machined from high-tensile billet steel for strength and precision
Upgrade your axle system and experience improved performance and durability
Featuring a boltin EFI downdraft injection system and complete serpentine drive kit
Welcome to the new era in fuel injection
Chevy SBC 350 1.5 Ratio Alum Shaft Mount Roller Rocker Arm Set -Zero Offset Speedmaster arm stud kits areSpeedmaster 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.
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