Ferrea Competition Plus Hollow Stem Valves - Head Size: 2.080" - Stem Diameter: 11/32" - Overall Length: 5.060" - 12 Super Flo, Radial Groove - Special Alloy. +.150 Fuel Filler Hose 2018-2023 Jeep Wrangler Unlimited Sport

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Ferrea Competition Plus Hollow Stem Valves - Head Size: 2.080" - Stem Diameter: 11/32" - Overall Length: 5.060" - 12 Super Flo, Radial Groove - Special Alloy. +.150 Fuel Filler Hose 2018-2023 Jeep Wrangler Unlimited SportAn 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