Nissan 300ZX Non-turbo Twin-turbo Infiniti J30 Mass Air Flow Sensor Meter #2268063017 22680-30P00 Brand New Replacement Mass Air Flow Sensor ( MAF ) Bosch Ref. #2 268 063 017(2268063017)&63107 NISSAN/Infiniti OEM Ref. # 22680-30P00, A36-000-N62 This MAF has an inside diameter of 80mm This MAF has a 4 pin connector