Ferrea Competition Plus Exhaust Valve - SB Chevy - 1.625", 11/32" Stem Diameter, 5.560" Overall Length - (Set of 8) BR40055 but internally regulated to 7

but internally regulated to 7 PSI

Champ Pans works with a wide variety of customers

1967-1973 Ford Mustang

Less resistance means the most spark energy reaches the plug gap for every firing

Ferrea Competition Plus Exhaust Valve - SB Chevy - 1.625", 11/32" Stem Diameter, 5.560" Overall Length - (Set of 8) BR40055 but internally regulated to 7Ferrea 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