Nearly 30 years of obsessively cataloging, photographing, and taking video of each part means it will fit your 1990 Buick Skylark 2.3L Engine - 1st Design: with 20 Hole Timing Cover Gasket 0.70mm Thick Engine Gasket Set - Timing Cover.

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!