East Bear is well known as an aero-parts maker with their lineup the Master Piece series which debuted in 2004 at the Tokyo Auto Salon along with their SIGMA Seat lineup. East Bear started off as a tire shop in 1974 in Saitama-prefecture which is right outside of Tokyo. During the 80's the increasing popularity of the AE86 and R31 East Bear decided to start making with some original aero-parts for these vehicles. As these aero-parts caught on East Bear also extended into the BNR32 from 1990 and continue on to this day making very popular lineups of Aero and upgrade parts.