Ford FE 390 427 428 1.76 Ratio Aluminum Shaft Mount Roller Rocker Arm Set these valvetrain kits provide all

these valvetrain kits provide all the necessary components for a complete and reliable rebuild

Couple this Hi-Ram intake with the high flowing LS1 style cylinder heads has outstanding potential for naturally aspirated and forced induction applications

They are built from strong

Replacement Spring Isolator for PC12004 A-Arms

Speedmaster CNC ported cylinder heads are machined on dedicated 5-axis CNC machines to ensure accuracy and better flow

Ford FE 390 427 428 1.76 Ratio Aluminum Shaft Mount Roller Rocker Arm Set these valvetrain kits provide allSpeedmaster 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.