Nearly 30 years of obsessively cataloging, photographing, and taking video of each part means it will fit your 1977 Chevrolet Pick-up Truck K30/ K3500 1 Ton [4WD] - Yukon Hardcore Locking Hub - Dana 60 - 35 Spline - 1 Side - Front Differential Locking Hubs.

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!