Big A Customs are a new name to me, but I've seen their chassis and tanks for a few years without knowing. The company is from Pennsylvania and Jeffrey Carver scored a third at Lima in 2017 using one of their Kawasaki chassis. Above is one of Big A tank on a C&J Kawasaki frame.
Bare Big A Customs Kawasaki linkage frames.
Chad Cose with a neat Big A set-up form 2016. Chad always has the prettiest bikes.
Distinctive Big A tanks in progress.
Carver at Lima. Photo Kurt Bauer