support assembly is constructed from 6061-T6 aluminum with a ½” thick layer of
high density foam. The foam firmly cushions the back of the seat against the
support assembly. This seat brace is designed for conventional factory reclining
seats. The BK-9020 seat brace is recommended for cars with one-piece racing
seats. The BK-9019 seat brace will work with the bolt-on & weld-on roll
cage mounting brackets. We sell the kit with the bolt-on bracket or the
weld-on bracket, please use drop down to specify when ordering.