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 H766003S 5 in Diameter

5 in Diameter

a partial coverage protective sheath of stainless steel braid is embedded in the liner during manufacturing

250" Length

Edelbrock Fuel Line Kit

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 H766003S 5 in DiameterAn 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