Ferrea 6000 Series Exhaust Valve - 1.600 in Head - 11/32 in Valve Stem - 4.960 in Long - Small Block Chevy / Ford RS00100307 Mushroom Knob

Mushroom Knob

Small block Chevy with Performer Series Carbs

No Bar Mount

LM-2 to Analog I / O

600'' exhaust valves with AFR's hardened ductile iron interlocking valve seats

Ferrea 6000 Series Exhaust Valve - 1.600 in Head - 11/32 in Valve Stem - 4.960 in Long - Small Block Chevy / Ford RS00100307 Mushroom KnobThe 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