Ferrea Competition Plus Hollow Stem 2.020" Intake Valves (Set of 8) - SB Chevy - 11/32" Stem Diameter - 4.960" Length H771001XL K1 Pro / GP2 Youth

K1 Pro / GP2 Youth Helmets

Includes All Wires and Terminals

Vehicle Applications: 2014-2018 Chevrolet Silverado 1500 97

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Ferrea Competition Plus Hollow Stem 2.020" Intake Valves (Set of 8) - SB Chevy - 11/32" Stem Diameter - 4.960" Length H771001XL K1 Pro / GP2 YouthAn 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