This is a Bosch LSU 4.9 industry-standard heated 5-wire EGO sensor. These wideband air fuel ratio sensors are the very latest from Bosch and are used in many top quality tuning devices and also by professional dyno-tuners. Suitabe replacement sensor for the Prosport USA wideband kits.

BC Camshafts 4G63 EVO 9 stage 2 / 3 / 4
Hybrid GT2 spec intercooler kit - Legacy BL5 GT B4
Turbosmart FPR2000 fuel pressure regulator
4G63 Turbo dump pipe EVO 4-6 Kinugawa
4G63 Turbo dump pipe EVO 7-9 Kinugawa
Radiator Cap - Violence - small head 1.3bar
Bosch 1000cc injectors set (6) high impedence
Hybrid GT2 spec intercooler kit - S13 CA18
Hybrid GT2 spec intercooler kit - Toyota Hilux gen 8
Hybrid X01-R intercooler kit - Mazda 3 MPS Gen 2
Hybrid GT2 spec intercooler kit - Mazda 3 MPS Gen 1
Hybrid GT2 spec intercooler kit - WRX (GRF)
Bosch 1000cc injectors set (4) high impedence 