Alan is right, the 180sx had the 1.8, same as early s13 silvia models in Japan, this was changed later (1991) to the sr20, but never made it to UK (200sx) models until the s14 200sx, or the US (240sx).
Also im 99% sure that kit is Origin type1 'aggressive line' aero kit,
Lovely car mel, health to enjoy
Also im 99% sure that kit is Origin type1 'aggressive line' aero kit,
Lovely car mel, health to enjoy