Ferrea Competition Plus Intake Valve - SB Chevy - 2.020", 11/32" Stem Diameter, 4.960" Overall Length - (Set of 8) 10208C The pressure on the head

The pressure on the head from the earmuffs can be adjusted by changing the special foam rubber pads (supplied) positioned between the earmuff and the helmet

We offer the widest selection of styles

Listed are some of the special features included

keeping grease in the bushing under high loads

The ability to stay on the gas longer into the turn and return to the pedal faster leaving the turn

Ferrea Competition Plus Intake Valve - SB Chevy - 2.020", 11/32" Stem Diameter, 4.960" Overall Length - (Set of 8) 10208C The pressure on the headFerrea 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