When launching your A90/91 Supra at high power levels your stock rubber guibo can fail, and cause anything from a botched start to a ruptured fuel tank, and possible fire. This 7075 Billet aluminum replacements are a direct fit and get rid of the through bolts and use 6 threaded holes for easier installation. These are sold individually or as a pair. The same guibo fits the front and rear 3 bolt flanges.The kit includes1 or 2 – 7075 Billet Aluminum Guibos6 – Grade 10.9 M12 flange bolts