Ferrea 6000 Series Exhaust Valve - Honda K20A2/3, K20Z1, K20Z3, K24A2 +1mm Oversize - Set of 8 - F6072 38mm Compatible with all currently known

Compatible with all currently known B-Series transfer drive & hypoid gear sets

Whether you are entering your 2015-2016 WRX in the local rallycross or lapping at your next track day

This override runs the fans at 30% speed to maintain A/C efficiency and ramps up fan speed until the set coolant temp is reached

K20A3 or K20Z1 cylinder head

Fittings included in kit - 8AN Port Plug

Ferrea 6000 Series Exhaust Valve - Honda K20A2/3, K20Z1, K20Z3, K24A2 +1mm Oversize - Set of 8 - F6072 38mm Compatible with all currently knownThe 6000 Series Competition Valves are designed to provide excellent reliability in an environment of high spring pressures and roller cams, at a budget price. They have higher fatigue resistance and tensile strengths than our competitors best offerings. To manufacture the valves we use our exclusive two step slow forging process using EV8 stainless steel on both intake and exhaust valves. We provide a special heat treatment and stress relieving