Ferrea Competition Plus Intake Valve - SB Chevy - 2.020", 11/32" Stem Diameter, 4.960" Overall Length - (Set of 8) Fire Retardant Head Socks Because today's racing engines run

Because today's racing engines run at higher RPM levels with harsh cam profiles

and valvetrain components

1/4" NPT inlets

Flat Spring Wire for Maximum Travel and Minimum Block HeightEibach has been committed to creating the finest race springs in the world for over two decades

Ferrea Competition Plus Intake Valve - SB Chevy - 2.020", 11/32" Stem Diameter, 4.960" Overall Length - (Set of 8) Fire Retardant Head Socks Because today's racing engines runFerrea 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