Ferrea Competition Plus Hollow Stem 1.600" Exhaust Valves (Set of 8) - SB Chevy - 11/32" Stem Diameter - 4.960" Length H760C01XS and transmission)

and transmission)

Air Cleaner Lid

2008-2016 Ford F-350 Super DutyVehicle Applications: 2008-2016 Ford F-250 Super Duty

Sold each and includes 1/2" mounting hardware

Ferrea Competition Plus Hollow Stem 1.600" Exhaust Valves (Set of 8) - SB Chevy - 11/32" Stem Diameter - 4.960" Length H760C01XS and transmission)An 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