This link will help you to determine the CORRECT carburetor for your application:

http://www.thecarburetorshop.com/TruckkitsG.htm#TkitGMC

While many carbs will work; the correct one will probably work better assuming your engine is stock.

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