Chevy BBC 454 1.70 Ratio Aluminum Shaft Mount Roller Rocker Set Stock Offset while delivering increased engine vacuum

while delivering increased engine vacuum

This Speedmaster manual transmission is built with all brand new components and case

Size Notes: Flange to Inside - 14 1/2" Flange to Outside - 20" Flange to End of Pipe - 38"

Speedmaster valve seals are posi-stop seals made from high-temperature Viton¨ material for a long-lasting seal

black or silver anodizing with the impeccable finish you've come to expect from all Speedmaster components

Chevy BBC 454 1.70 Ratio Aluminum Shaft Mount Roller Rocker Set Stock Offset while delivering increased engine vacuumSpeedmaster 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.