Chevy BBC 454 1.70 Ratio Aluminum Shaft Mount Roller Rocker Set Stock Offset then highly polished and chrome

then highly polished and chrome plated for lasting beauty

minimizing fabrication

but they also have a great chrome finish to add a classy touch to your engine

These Speedmaster aluminum water pump pulleys are made from a 356 aluminum-alloy that is heat-treated to T-6 specs

Speedmaster small block 427 c

Chevy BBC 454 1.70 Ratio Aluminum Shaft Mount Roller Rocker Set Stock Offset then highly polished and chromeSpeedmaster 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.