Ferrea 6000 Series - Set of 12 Exhaust Valves - F6097 F6099 - Toyota Supra 2JZ 2JZGE 2JZGTE Size:+1mm Oversize you’ll term the first section

you’ll term the first section at your ECU

Properly designed valve springs will control the dominant harmonics

It is also used in Drifting with it's rear wheel drive setup

Calibration and instructions are provided

Front Drop: 0

Ferrea 6000 Series - Set of 12 Exhaust Valves - F6097 F6099 - Toyota Supra 2JZ 2JZGE 2JZGTE Size:+1mm Oversize you’ll term the first sectionFerrea 6000 Series Set of 12 Exhaust Valves F6097 F6099 Toyota Supra 2JZ 2JZGE 2JZGTE The 6000 Series Competition Valves are designed to provide excellent reliability in an environment of high spring pressures, at a budget price. They have higher fatigue resistance and tensile strengths than our competitor's best offerings. To manufacture the valves we use our exclusive two step slow forging process using EV8 stainless steel on both intake and exhaust