Even if you think you have the original carburetor it is best to confirm this with the numbers on the carburetor. Their carburetor is actually a 1974 not a 1975. One year off can make a difference in the kit you need.
Fits Oldsmobile 1975-1980 350 4V Air Cleaner Decal Olds 75-80
3Row Aluminum Radiator For 75-80 Chevrolet Blazer C10 C20 C30 GMC C15 C25 AT 162
Gas tank sending unit for 75-80 Ford Lincoln Mercury Maverick Granada Versailles
75-80 Mercedes 300SD 280SE 280S W116 Cooling Coolant Fan Blade Radiator OEM
Pump Brake Peugeot 104 900 1100 1400 Coupe' 75 > 80 Stop S57200 131542B 460158
ST207 Racing Safety Lever Radiator Cap for Various Models 75-80 Characters