Ferrea 6000 Series Competition Valves (K24Z R40) Select Valves:31mm Exhaust CNC Ported intake and exhaust

CNC Ported intake and exhaust ports

Kinsler EFI induction

The 4P tensioner is still hydraulic and operates just like OEM

High quality heavyweight hoodie that stays soft through many washes

Slow-cut precision 5-axis cnc porting

Ferrea 6000 Series Competition Valves (K24Z R40) Select Valves:31mm Exhaust CNC Ported intake and exhaustFerrea 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