Ferrea 6000 Series Competition Valves (K-Series) Select Valves:30mm Exhaust EFI ECU and lambda is

EFI ECU and lambda is standard

If you want to advance 2 degrees

90mm Throttle Body Flange - Std

just an easy swap and tune

An engine’s camshafts must be set at their proper positions relative to the crankshaft in order to maximize horsepower

Ferrea 6000 Series Competition Valves (K-Series) Select Valves:30mm Exhaust EFI ECU and lambda isFerrea Valves, the worlds leading manufacturer of racing valves, introduces the Sport Compact market into the already race proven Ferrea 6000 Series Competition Valves. This Ferrea Valve Series is designed to provide excellent reliability in an environment of high RPM and high spring pressures, at a budget price. These valves have higher fatigue resistance and tensile strengths than our competitors best offering. The 6000 Series Competition Valves are