Ferrea Competition Plus Hollow Stem 2.020" Intake Valves (Set of 8) - SB Chevy - 11/32" Stem Diameter - 4.960" Length Drag Parachute Deployment Bag 1968-1974 Plymouth Valiant

1968-1974 Plymouth Valiant

1960-1961 Chevrolet P20 Series

Sides / Tailgate included

PRECISION ROBOTIC WELDING

Ferrea Competition Plus Hollow Stem 2.020" Intake Valves (Set of 8) - SB Chevy - 11/32" Stem Diameter - 4.960" Length Drag Parachute Deployment Bag 1968-1974 Plymouth ValiantAn important factor to take into consideration to increase the engine's RPMs, is the valve train weight. Of course, the valve being a main component, the design has to be perfected to accomplish the weight reduction to allow higher RPMs. Ferrea's latest contribution to this area is the introduction of its Lightweight Hollow Stem Valve. We developed a manufacturing process that gun drills and micro polishes the stem to achieve a valve reduction in