Buick adopted the popular size in 1968 for their final family of V8 engines, the "350", which was produced through 1980. Although it shared the displacement of the other GM small blocks, including the Chevrolet 350, Oldsmobile 350, and Pontiac 350 (although the Pontiac was technically a 354), the Buick blocks were of a substantially different proprietary company design. The Buick 350 featured the same bore as the version of the Buick 90° V6 and retained the stroke of the previous V8. The exact displacement is .