Ferrea Competition Plus 1.625" Exhaust Valves (Set of 8) - SB Chevy - 11/32" Stem Diameter - 5.160" Length Youth Neck Collars & Helmet Supports 190 in Rectangular Port

190 in Rectangular Port

1964-1978 Buick Riviera

218 wall thickness

Helmet Visor

The knuckle pad and palm reinforcements attach to the Nomex(R) back in a way that promotes flexibility

Ferrea Competition Plus 1.625" Exhaust Valves (Set of 8) - SB Chevy - 11/32" Stem Diameter - 5.160" Length Youth Neck Collars & Helmet Supports 190 in Rectangular PortFerrea 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