Passenger Cars and Commercial Vehicles

ROLLSROYCE

Corniche

Model Engine Year Standard Plug Gap (mm) Iridium Power Iridium Tough
6.8   V8 1971 to 1985 W16EPRU 0.8 IW16 VW16
6.8   V8 1985 to 1989 W16EXRZU 1.0 IW16 VW16
6.8   V8 1985 to 1989 W16EXRZU 1.0 IW16 VW16
6.8   V8 1/1989 to 3/1993 IW16 0.0 IW16 VW16

Flying Spur

Model Engine Year Standard Plug Gap (mm) Iridium Power Iridium Tough
6.8   V8 Turbo 1994 to 1995 IW16 0.0 IW16 VW16

Park Ward

Model Engine Year Standard Plug Gap (mm) Iridium Power Iridium Tough
6.8   V8 L.P. Turbo 1995 to 1998 K16PRZU11 0.9 IK16 VK16

Phantom Six (VI)

Model Engine Year Standard Plug Gap (mm) Iridium Power Iridium Tough
6.2   V8 1968 to 1978 W16EPU 0.8 IW16 VW16
6.8   V8 10/1978 on W16EPRU 0.8 IW16 VW16
6.8   V8 1/1988 on W16EPRU 0.8 IW16 VW16

Silver Cloud / Wraith

Model Engine Year Standard Plug Gap (mm) Iridium Power Iridium Tough
6.2   V8 (Compr. Ratio 6.6:1) to W16ESU 0.6 IW16
6.2   V8 (Compr. Ratio 8:1) to W20ESU 0.6 IW20
6.8   V8 7/1978 to 11/1980 W16EPRU 0.8 IW16 VW16

Silver Dawn

Model Engine Year Standard Plug Gap (mm) Iridium Power Iridium Tough
6.8   V8 10/1997 on W14EPRU 0.9 IW16

Silver Shadow

Model Engine Year Standard Plug Gap (mm) Iridium Power Iridium Tough
6.8   V8 7/1978 to 11/1980 W16EPRU 0.8 IW16 VW16

Silver Spirit

Model Engine Year Standard Plug Gap (mm) Iridium Power Iridium Tough
6.8   V8 10/1980 to 10/1989 W16EPRU 0.8 IW16 VW16
6.8   V8 10/1989 to 6/1993 IW16 0.0 IW16 VW16
6.8   V8 6/1983 on IW16 0.0 IW16 VW16

Silver Spur

Model Engine Year Standard Plug Gap (mm) Iridium Power Iridium Tough
6.8   V8 to 1989 W16EXRZU 1.0 IW16 VW16
6.8   V8 10/1989 to 6/1993 IW16 0.0 IW16 VW16
6.8   V8 6/1993 on IW16 0.0 IW16 VW16
6.8   V8 8/1995 on K16PRZU11 0.9 IK16 VK16
6.8   V8 L.P. Turbo 10/1997 on K16PRZU11 0.9 IK16 VK16

Touring Limousine

Model Engine Year Standard Plug Gap (mm) Iridium Power Iridium Tough
6.8   V8 1991 to 2002 IW16 0.0 IW16 VW16

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