Ferrea 5000 Series Exhaust Valve - Honda Prelude H22A1/A4 +1mm Oversize - Set of 8 - F5505 12.0" Maximum horsepower potential will be

Maximum horsepower potential will be near 700 whp

Lambda and more (channel availability is ultimately dependent upon what channels are programmed to transmit by the vehicle manufacturer)

and up to 42°F once a performance tune is added

Fourth-Generation Civic and CRX owners rejoice

HP Gains: 15 - 20 hp

Ferrea 5000 Series Exhaust Valve - Honda Prelude H22A1/A4 +1mm Oversize - Set of 8 - F5505 12.0" Maximum horsepower potential will beThe 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