Ferrea 5000 Series Valves are the most cost effective valve applications on the market today. They are designed to withstand high rpm and high spring pressure at a budget price. These valves are machined in Ferrea's state of the art CNC centers allowing tight tolerances without breaking the budget.
One-Piece Forging Stainless Steel
Proprietary Heat Treatment Process
Hard Chome Stems
Fully CNC Machined
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.
In Stock / Available
5000 Series Competition
30mm (Standard), 35mm (Standard)
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
5.48mm In / 5.45mm Ex
109.3mm In / 109.15mm Ex
Valve Head Size
Valve Head Diameter
Intake & Exhaust
Valve Stem Diameter
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