Nearly 30 years of obsessively cataloging, photographing, and taking video of each part means it will fit your 1980 Oldsmobile Cutlass 5.0L Engine - 4 Barrel Carb. - Contains Positive Type Valve Stem Seals Engine Gasket Set - Full.
Period. No Hassle. GUARANTEED.
We cover round trip shipping if we make a mistake.
Check out the video below to view the Guaranteed Exact Fit process from start to finish!