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 VQ35 stage 2 / 3
Turbo oil feed kit TD05/TD06 EVO 4-9 oil filter housing type - Kinugawa
G-racing wheel spacers 15mm 5x100 - 56.1 1.25p
Turbo oil feed fitting M10x1 -4AN Kinugawa
Lucas SAE30 Break In Oil 4.7L
Bosch 650cc injectors set (4) high impedence 