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.

Yellowspeed Brake Kit 304mm 6-pot (16") Front
DPR 500 internal fuel pump W/ Fitting kit
Wastegate dump pipe (screamer pipe) 50mm
GFB EX50 50mm V-band wastegate
BC Camshafts 7MGTE stage 2 / 3
Motul oil 300V Power 0W30 2L
Magnaflow exhaust system - Ford Mustang V8 5L
Hybrid GT2 spec intercooler kit - WRX (GD V10)
Hybrid GT2 spec intercooler kit - Toyota Hiace
SSQV flange for EJ20 / EJ25 (type 3) Subaru - bolt on WRX 2008-2014
Banjo fitting M14x1.5 to -4AN (Oil feed)
Short shifter - Subaru WRX / Legacy 2002 up
D2 upper mount (top hat) stud
Dash mount triple gauge holder - 60mm
Denso Kinugawa 565cc injector set (4) GDA GDB 