Ferrea 6000 Series Intake Valve - 02-05 WRX EJ20; 04-21 STI EJ257 +1mm Oversize - Set of 8 - F6078 Turbo Flanges and Fittings Specifications: Intake 6 mm valve

Specifications: Intake 6 mm valve stem

2011:Infiniti:FX50:Base

2013:Polaris:Sportsman Forest 500:Base

A great match for max effort NA and Turbo engine builds

During development of various Nissan Z components our engineers noted that the factory rubber coolant hoses are a potential area of failure as your Z begins to age

Ferrea 6000 Series Intake Valve - 02-05 WRX EJ20; 04-21 STI EJ257 +1mm Oversize - Set of 8 - F6078 Turbo Flanges and Fittings Specifications: Intake 6 mm valveTECH NOTE: These Ferrea Valves must be used with Ferrea Valve Locks # K10061. The 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