Nearly 30 years of obsessively cataloging, photographing, and taking video of each part means it will fit your 1968 Plymouth Road Runner 8.75" Chrysler 89 Drop Out Case - Up To 500 HP - Nodular Iron - Rear Differential Differential Dropouts and Pinion Supports.

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!