Ferrea Competition Plus Exhaust Valve - SB Chevy - 1.625", 11/32" Stem Diameter, 5.460" Overall Length - (Set of 8) H761001S The boot cuff mirrors today’s

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Ferrea Competition Plus Exhaust Valve - SB Chevy - 1.625", 11/32" Stem Diameter, 5.460" Overall Length - (Set of 8) H761001S The boot cuff mirrors today’sFerrea Competition Plus Valves have built a reputation as the industry's most reliable extreme duty valve. We, at Ferrea, are dedicated to providing the absolute best product on the market. Our extensive R & D programs provide tehcnological gains, which are implemented in each of our competiton plus valves. They are engineered for higt rpm, high horsepower racing engines, and are chose by many top NASCAR, Drag, and Oval & Sprint Car racing teams. To