Nearly 30 years of obsessively cataloging, photographing, and taking video of each part means it will fit your 1977 Pontiac Firebird Trans AM Trans Am - Yukon Bearing Install Kit - GM 7.5" Differential - Rear Differential Differential Bearing Kits.

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!