235 261 Camshafts from Chevrolet Master Parts book:

3836490 1941-1953 235 S/T

3836485 1950-1953 P.G.

3836484 1953-1955 Corvette
1954-1955 Utility 261 S/T
1956-1957 Series 3-4 S/T
1958 Series 3-4 (except D.D.)

3836482 1954-1955 All 6 cylinder (except P.G.)
1958 D.D. (2nd design)
1959 Series 3-4
1960-1962 Series 10-40
1960-1961 Fleetmaster except P.G.

3836483 1954-1955 passenger with P.G.
1956-1958 passenger

Jon.

Good carburetion is fuelish hot air
The most expensive carburetor is the wrong one you attempt to modify.
If you truly believe "one size fits all," try walking a mile in your spouse's shoes!
The Carburetor Shop