MACH 2 ATMOSPHERE UPGRADE KIT TO CONVERT (T9100,T9101,T9102,T9104,T9105,T9135) FROM RECIRCULATING TO ATMOSPHERE VENTING BOV. CONSISTING OF TRUMPET, SPRING AND PLUG. There is a harder spring supplied in this kit, as the valve needs to remain closed at idle when venting to atmosphere. This prevents stalling and backfiring.
NISSAN 180 SX 1989 1990 1991 1992 Turbo II S13 1.8 Turbo II CA18DET 1989 - 1992