Ferrea 6000 Series Intake Valve - 1.940 in Head - 11/32 in Valve Stem - 4.960 in Long - Small Block Chevy - Set of 8 F6111-8 1346005 GM part number 5573979

GM part number 5573979

30 Spline Count

including steering

11-1/4 x 11 x 26 in Tall

Ferrea 6000 Series Intake Valve - 1.940 in Head - 11/32 in Valve Stem - 4.960 in Long - Small Block Chevy - Set of 8 F6111-8 1346005 GM part number 5573979The 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 competitor's best offerings. These valves can be used in Drag and Oval Track racing applications. To manufacture the valves Ferrea uses an exclusive two step slow forging process using EV8 stainless steel on both intake and