Ferrea 6000 Series Competition Exhaust Valve - SB Chevy - 1.600", 11/32" Stem Diameter, 5.160" Overall Length 13199901 Ideal for installing single springs

Ideal for installing single springs on GM Vortec head

No Longer Included with each hose end

GM Fullsize SUV / Truck 1973-87

79% increase in holding power

Flexible and easy to apply

Ferrea 6000 Series Competition Exhaust Valve - SB Chevy - 1.600", 11/32" Stem Diameter, 5.160" Overall Length 13199901 Ideal for installing single springsThe 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