Ferrea 6000 Series Competition Exhaust Valve - SB Chevy - 1.600", 11/32" Stem Diameter, 5.160" Overall Length 13199901 Black Oxide coated to resist

Black Oxide coated to resist corrosion and prevents hydrogen embrittlement caused by common zinc plating

same as stock

Flexible and easy to apply

No Longer Included with each hose end

Ferrea 6000 Series Competition Exhaust Valve - SB Chevy - 1.600", 11/32" Stem Diameter, 5.160" Overall Length 13199901 Black Oxide coated to resistThe 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