Ferrea 5000 Series Intake Valve 35mm STD K20A2 K20A3 K20Z1 The 5000 Series Hi Performance Valves have become the alternative for performance engine builders that use our competitors “street” or “performance valve”. These valves are machined in our CNC centers allowing tight tolerances and cost effective design.
They feature a one-piece forging made from stainless steel, a special heat treatment process, hard chrome stems, and hard tip. Most applications are available in an undercut stem and dished head, while other applications are available in straight stem and flat head.
In Stock / Available
5000 Series Competition
Shipping Weight (Dimensional)
Honda / Acura
Civic Si 02-05 EP3, Civic Si 06-11 FA5 (Sedan), Civic Si 06-11 FG2 (Coupe), RSX Base 02-06 DC5, RSX Type S 02-06 DC5, TSX 04-08 CL9
K20A2, K20A3, K20Z1, K20Z3, K24A2
Valve Tip Length
Valve Head Size
Valve Head Diameter
Valve Stem Diameter
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