remember, theres sir 1 and sir 2 and sir 3......jdm sir 1 = 160hp DOHC sign is bigger the vtec sign and is stamped B16A on block, same on jdm sir 2 = 170 hp DOHC sign is smaller then vtec sign, b16a stamp on block, only usdm are a2 and a3, is with 160 hp......FATALITY.....!