| Model | Engine | Year | Standard Plug | Gap (mm) | Iridium Power | Iridium Tough |
|---|---|---|---|---|---|---|
| 180SX RS13, KRS13 (Turbo) | 1.8LÂ CA18DET | 4/1989 to 1/1991 | PQ20R | 1.1 | IQ20 | VQ20 |
| 180SX, RPS13, KRPS13 (Turbo) | 2.0LÂ SR20DET | 8/1996 on | PK20PRP8 | 0.8 | IK20 | VK20 |
| 180SX RPS13, KRPS13 | 2.0LÂ SR20DET | 8/1996 on | PK20PR11 | 1.1 | IK20 | VK20 |
| 180SX RPS13, KRPS13 (Turbo) | 2.0LÂ SR20DET | 1/1991 to 8/1996 | PK20PRP8 | 0.8 | IK20 | VK20 |
| Auster PT11, KPT11 | 1.8LÂ CA18,C18E | 6/1981 to 10/1985 | W16EP11 | 1.1 | IW16 | VW16 |
| Auster PT12 | 1.8LÂ CA18i | 10/1985 to 4/1988 | Q16U11 | 1.1 | IQ16 | VQ16 |
| Auster PT12 | 1.8LÂ CA18i | 5/1988 to 2/1990 | Q16RU11 | 1.1 | IQ16 | VQ16 |
| Auster PT12 | 1.8LÂ CA18DE | 10/1988 to 2/1990 | PQ20R | 1.1 | IQ20 | VQ20 |
| Auster PT12 (Turbo) | 1.8LÂ CA18ET | 10/1985 to 2/1990 | Q20U11 | 1.1 | IQ20 | VQ20 |
| Auster PT12 (Turbo) | 1.8LÂ CA18DET | 10/1985 to 2/1990 | PQ20R | 1.1 | IQ20 | VQ20 |
| Bluebird HNU12 (Turbo) | 2.0LÂ SR20DET | 10/1989 to 1/1996 | PK20PRP8 | 0.8 | IK20 | VK20 |
| Bluebird HU13, HNU13, KHU13 | 2.0LÂ SR20DE | 9/1991 to 1/1996 | K20RU | 0.9 | IK20 | VK20 |
| Bluebird PU11 (Turbo) | 2.0LÂ VG20ET | 10/1984 to 10/1988 | Q20PU11 | 1.1 | IQ20 | VQ20 |
| Bluebird PU11, KPU11 | 2.0LÂ VG20E | 1/1986 to 10/1988 | Q16PU11 | 1.1 | IQ16 | VQ16 |
| Bluebird U11 (Turbo) | 1.8LÂ CA18ET | 10/1983 to 9/1987 | Q20U11 | 1.1 | IQ20 | VQ20 |
| Bluebird U11 (Turbo) | 1.8LÂ CA18DET | 8/1985 to 9/1987 | PQ20R | 1.1 | IQ20 | VQ20 |
| Bluebird WU11 (Turbo) | 1.8LÂ CA18ET | 9/1987 to 5/1988 | Q16U11 | 1.1 | IQ16 | VQ16 |
| Bluebird WU11 (Turbo) | 1.8LÂ CA18ET | 10/1983 to 9/1987 | Q20U11 | 1.1 | IQ20 | VQ20 |
| Bluebird WU11 (Turbo) | 1.8LÂ CA18ET | 5/1988 to 10/1989 | Q16RU11 | 1.1 | IQ16 | VQ16 |
| Bluebird WU11 (Turbo) | 1.8LÂ CA18ET | 11/1989 to 5/1990 | Q20RU11 | 1.1 | IQ20 | VQ20 |
| Escargot G20 | 1.5LÂ E15 | 1/1989 to 12/1990 | W16EPR11 | 1.1 | IW16 | VW16 |
| Fairlady Z HZ31, HGZ31 Turbo | 3.0LÂ VG30ET | 9/1983 to 7/1987 | Q20U11 | 1.1 | IQ20 | VQ20 |
| Fairlady Z Z31, GZ31 Turbo | 2.0LÂ VG20ET | 9/1983 to 10/1985 | Q20U11 | 1.1 | IQ20 | VQ20 |
| Fairlady Z Z32, GZ32, HZ32 | 3.0LÂ VG30DE | 7/1989 on | PK20PR11 | 1.1 | IK20 | VK20 |
| Fairlady Z 3000 CZ32 GCZ32 (Turbo) | 3.0LÂ VG30DETT | 7/1989 on | PK20PR11 | 1.1 | IK20 | VK20 |
| Homy KEE24, AEGE24, FEGE24 (COACH) | 3.0LÂ VG30E | 10/1988 to 8/1989 | PK20PR11 | 1.1 | IK20 | VK20 |
| Homy KEE24, AEGE24, FEGE24 (COACH) | 3.0LÂ | 10/1990 on | PK20PR11 | 1.1 | IK20 | VK20 |
| Homy KEE24, AEGE24, FEGE24 (COACH) | 3.0LÂ | 9/1989 to 10/1990 | PK16PR11 | 1.1 | IK16 | VK16 |
| Largo W30, CW30, NCW30, NW30 | 2.4LÂ KA24DE | 5/1993 on | K16PRU | 1.1 | IK16 | VK16 |
| Pulsar GtiR Turbo DOHC | 2.0LÂ SR20DET | 1990 to 1995 | PK22PR8 | 0.8 | IK22 | VK22 |
| Pulsar Gti N14 | 1.8LÂ SR18DE | 1992 on | K16RU | 0.8 | IK16 | VK16 |
| Silvia PS13, KPS13 | 2.0LÂ SR20DE | 1/1991 to 10/1993 | PK20PR11 | 1.1 | IK20 | VK20 |
| Silvia S110 | 2.0LÂ Z20E | 3/1979 to 9/1983 | W20EP11 | 1.1 | IW20 | VW20 |
| Silvia S12 (Turbo) | 1.8LÂ CA18ET | 8/1983 to 5/1988 | Q20U11 | 1.1 | IQ20 | VQ20 |
| Silvia S13, KS13 | 1.8LÂ CA18DE | 5/1988 to 1/1991 | PQ20R | 1.1 | IQ20 | VQ20 |
| Silvia S14, CS14 (Turbo) | 2.0LÂ SR20DET | 6/1996 to 1/1999 | PK20PRP8 | 0.8 | IK20 | VK20 |
| Silvia S14, CS14 | 2.0LÂ SR20DE | 10/1993 to 6/1996 | K20RU | 0.8 | IK20 | VK20 |
| Silvia S14, CS14 | 2.0LÂ SR20DE | 6/1996 to 1/1999 | PK20PR11 | 1.1 | IK20 | VK20 |
| Silvia S14, CS14 (Turbo) | 2.0LÂ SR20DET | 10/1993 to 6/1996 | PK20PRP8 | 0.8 | IK20 | VK20 |
| Silvia (RWD) DOHC | 2.0LÂ SR20DE (Non Turbo) | 1/1999 on | K20RU | 0.8 | IK20 | VK20 |
| Skyline HR32 | 2.0LÂ RB20E | 5/1989 to 8/1993 | Q16RU11 | 1.1 | IQ16 | VQ16 |
| Skyline YHR32 | 2.0LÂ RB20E | 5/1989 to 8/1991 | Q16RU11 | 1.1 | IQ16 | VQ16 |
| Skyline HR33 | 2.0LÂ RB20E | 8/1993 to 5/1998 | Q16RU11 | 1.1 | IQ16 | VQ16 |
| Skyline HR32, HCR32, HNR32 | 2.0LÂ RB20DE | 5/1989 to 8/1991 | PQ16R | 1.1 | IQ16 | VQ16 |
| Skyline HR31 | 2.0LÂ RB20DE | 8/1985 to 8/1987 | PQ16R | 1.1 | IQ16 | VQ16 |
| Skyline HR31 (Turbo) | 2.0LÂ SR20DET | 8/1985 to 8/1987 | PQ16R | 1.1 | IQ16 | VQ16 |
| Skyline HCR32, HNR32 (Turbo) | 2.0LÂ SR20DET | 5/1989 to 8/1991 | PQ16R | 1.1 | IQ16 | VQ16 |
| Skyline ER33, ECR33, ENR33 | 2.5LÂ RB25DE | 8/1993 to 5/1998 | PK16PRL11 | 1.1 | IK16 | VK16 |
| Skyline ECR33 (Turbo) | 2.5LÂ RB25DET | 8/1993 to 1998 | PK16PRL11 | 1.1 | IK16 | VK16 |
| Skyline ER32, ECR32 | 2.5LÂ RB25DE | 8/1991 to 8/1993 | PQ16R | 1.1 | IQ16 | VQ16 |
| Skyline HR32, HCR32, HNR32 | 2.0LÂ RB20DE | 8/1991 to 8/1993 | PQ20R | 1.1 | IQ20 | VQ20 |
| Skyline HR31 | 2.0LÂ RB20DE | 8/1987 to 11/1989 | PQ20R | 1.1 | IQ20 | VQ20 |
| Skyline HR31 (Turbo) | 2.0LÂ RB20DET | 8/1987 to 5/1989 | PQ20R | 1.1 | IQ20 | VQ20 |
| Skyline HCR32, HNR32 (Turbo) | 2.0LÂ RB20DET | 8/1991 to 8/1993 | PQ20R | 1.1 | IQ20 | VQ20 |
| Skyline BNR32 (Turbo) | 2.6LÂ RB26DETT | 8/1989 to 1/1995 | PQ20R | 1.1 | IQ20 | VQ20 |
| Skyline BCNR33 (Turbo) | 2.6LÂ RB26DETT | 1/1995 to 1/1999 | PQ20R | 1.1 | IQ20 | VQ20 |
| Skyline R34 | 2.6LÂ RB26DETT | 1/1999 on | PQ20R | 1.1 | IQ20 | VQ20 |
| Skyline HV35 | 3.0LÂ VQ30DD | 6/2001 to 11/2004 | IKH16 | 0.0 | IKH16 | VKH16 |
| Skyline PV35 | 3.5LÂ VQ35DE | 2/2002 on | VKH16 | 0.0 | IKH16 | VKH16 |
| Skyline CPV 35 | 3.5LÂ VQ35DE | 1/2003 on | VKH16 | 0.0 | IKH16 | VKH16 |