BLACK DIAMOND ENGINE VALVE : OPTIUNE - OVERSIZE (31 MM)

Black Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless SteelLightweight, strong, one piece forging with profiles that provide excellent flow characteristicsValve is infused by a special German process to a depth of .002, with a surface build up of .0002 which improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis platingEach valve is designed using Finite Element Analysis (F.E.A) software, and profiles are tested on a computerized flow benchStems are coated with black nitronegMade in the USA

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