Ferrea Competition Plus 1.600" Exhaust Valves (Set of 8) - SB Chevy - 11/32" Stem Diameter - 5.300" Length 4704021-10-M 1964-1965 GMC B3500

1964-1965 GMC B3500

46 in Extended

320" Gasket Bore

302 and 351 Windsor is built with bullet-proof durability

and thread as needed

Ferrea Competition Plus 1.600" Exhaust Valves (Set of 8) - SB Chevy - 11/32" Stem Diameter - 5.300" Length 4704021-10-M 1964-1965 GMC B3500Ferrea 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