Ferrea 6000 Series Competition Exhaust Valve - SB Chevy - 1.600", 11/32" Stem Diameter, 5.060" Overall Length 2010024 Fully Supported CountershaftThe countershaft is

Fully Supported CountershaftThe countershaft is fully supported by needle bearings on a hardened steel shaft

Chevy V8's with large oval-port (1975 and earlier) heads

and soft-knit inner linings offering superior protection without sacrificing comfort and mobility

DF-KVehicle Applications: 1971 thru 1973 Buick Cars 7

try our Corvette Catalytic Converter Shield or create your own shield using our Floor & Tunnel Shield II

Ferrea 6000 Series Competition Exhaust Valve - SB Chevy - 1.600", 11/32" Stem Diameter, 5.060" Overall Length 2010024 Fully Supported CountershaftThe countershaft isThe 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