No headrest, no armrest, and actually "square" searching for seats. They don't seem to be 454SS gadgets; the operator put them in his 'ninety 3 to the very tiny minimum bit a great deal more legroom they allow. The rear frame rails have already been C-sectioned by GMS as well https://finnoahnt.ja-blog.com/36149828/everything-about-45-ss-seats