Ferrea Competition Plus Hollow Stem 1.600" Exhaust Valves (Set of 8) - SB Chevy - 11/32" Stem Diameter - 4.960" Length 20800K 60 cc Chamber

60 cc Chamber

drop-in mounting orientation with user-adjustable geometry

Scuff plates are used to protect painted finishes from repeated hood pin clip use

including low viscosity 0w20 oils

an elastic and Velcro enclosure

Ferrea Competition Plus Hollow Stem 1.600" Exhaust Valves (Set of 8) - SB Chevy - 11/32" Stem Diameter - 4.960" Length 20800K 60 cc ChamberAn 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