Ford FE 390 427 428 1.76 Ratio Aluminum Shaft Mount Roller Rocker Arm Set This is a preloaded unit

This is a preloaded unit allowing for a faster reacting unit

Speedmaster idle air control motor adapters allow GM-style idle air control motors to be used with throttle bodies originally designed for a different bolt pattern

Get up to four degrees of timing adjustment with Speedmaster adjustable timing pointers

all of our 23deg

Ford FE 390 427 428 1.76 Ratio Aluminum Shaft Mount Roller Rocker Arm Set This is a preloaded unitSpeedmaster 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.