In terms of pure performance, the Buick Regal probably doesn't rank highly on most people's list. However, it was built on the versatile G-Body platform which allows for various engine swaps and a litany of performance parts to bolt right in. GM knew this too as the humble Regal was the base for the legendary Buick Grand National.

These high performance differential covers can dress up or strengthen the differential by stiffening the case for better support of the ring & pinion gear. Choose from chrome plated, cast aluminum, or nodular iron covers.