Ferrea Competition Plus Hollow Stem 2.020" Intake Valves (Set of 8) - SB Chevy - 11/32" Stem Diameter - 5.010" Length Helmet Air System Blower Wiring Harness Ford Fullsize Truck 2015-20

Ford Fullsize Truck 2015-20

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Ferrea Competition Plus Hollow Stem 2.020" Intake Valves (Set of 8) - SB Chevy - 11/32" Stem Diameter - 5.010" Length Helmet Air System Blower Wiring Harness Ford Fullsize Truck 2015-20An 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