Manufacturer pages are not filtered by vehicle. Please use the category menu to view parts for your 1990 Buick Skylark.

NGK Iridium IX

Lincoln NGK Iridium IX
Lincoln Town Car View all Lincoln Town Car Spark Plugs
OUT OF STOCK 7316 NGK Iridium IX Spark Plug Box of 4 (TR55-1IX) 1986-1990 Lincoln Town Car Signature 1986-1990 Lincoln Town Car Cartier 1986-1990 Lincoln Town Car Base 1989-1989 Lincoln Town Car Signature SE 1990-1990 Lincoln Town Car Touring Edition 1990-1990 Lincoln Town Car Executive 1990-1990 Lincoln Town Car Cypress $54.25 Details
IN STOCK 3689 NGK IX Iridium Spark Plug Box of 4 (TR6IX) 2006-2011 Lincoln Town Car Signature Limited 2006-2011 Lincoln Town Car Signature L 2006-2007 Lincoln Town Car Signature 2006-2006 Lincoln Town Car Protection Series 2006-2011 Lincoln Town Car Executive L 2006-2010 Lincoln Town Car Executive 2006-2007 Lincoln Town Car Designer Series $54.25 Details
Lotus NGK Iridium IX
Lotus Eclat View all Lotus Eclat Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1976-1979 Lotus Eclat Sprint 1976-1979 Lotus Eclat Base $54.25 Details
Lotus Elite View all Lotus Elite Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1958-1966 Lotus Elite Base 1960-1961 Lotus Elite S2 $54.25 Details
Lotus Esprit View all Lotus Esprit Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1976-1979 Lotus Esprit Base 1982-1988 Lotus Esprit Turbo 1983-1984 Lotus Esprit Base 1985-1987 Lotus Esprit S3 1988-1988 Lotus Esprit Base 1992-1993 Lotus Esprit Turbo SE 1994-1995 Lotus Esprit S4 1995-1995 Lotus Esprit S4s $54.25 Details
Lotus Seven View all Lotus Seven Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1962-1975 Lotus Seven Base $54.25 Details
Lotus Super Seven View all Lotus Super Seven Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1962-1968 Lotus Super Seven Base $54.25 Details
Maico NGK Iridium IX
Maico 250 View all Maico 250 Spark Plugs
OUT OF STOCK 5687 NGK Iridium IX Spark Plug Box of 4 (BR9HIX) 1981-1983 Maico 250 Base $54.25 Details
Maico 250 Enduro View all Maico 250 Enduro Spark Plugs
OUT OF STOCK 5687 NGK Iridium IX Spark Plug Box of 4 (BR9HIX) 1978-1979 Maico 250 Enduro Base $54.25 Details
Maico 400 View all Maico 400 Spark Plugs
OUT OF STOCK 5687 NGK Iridium IX Spark Plug Box of 4 (BR9HIX) 1981-1983 Maico 400 Base $54.25 Details
Maserati NGK Iridium IX
Maserati 430i View all Maserati 430i Spark Plugs
IN STOCK 6684 NGK IX Iridium Spark Plug Box of 4 (BPR8EIX) 1989-1990 Maserati 430i Base $54.25 Details
Maserati Biturbo View all Maserati Biturbo Spark Plugs
IN STOCK 6684 NGK IX Iridium Spark Plug Box of 4 (BPR8EIX) 1983-1987 Maserati Biturbo Base $54.25 Details
Maserati Bora View all Maserati Bora Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1971-1983 Maserati Bora Base $54.25 Details
Maserati Ghibli View all Maserati Ghibli Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1967-1973 Maserati Ghibli Base $54.25 Details
Maserati Indy View all Maserati Indy Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1969-1974 Maserati Indy Base $54.25 Details
Maserati Khamsin View all Maserati Khamsin Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1974-1979 Maserati Khamsin Base $54.25 Details
Maserati Merak View all Maserati Merak Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1972-1979 Maserati Merak Base 1980-1982 Maserati Merak SS $54.25 Details
Maserati Mexico View all Maserati Mexico Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1967-1971 Maserati Mexico Base $54.25 Details
Maserati Quattroporte View all Maserati Quattroporte Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1968-1969 Maserati Quattroporte Base 1979-1986 Maserati Quattroporte Base $54.25 Details
Mazda NGK Iridium IX
Mazda 1800 View all Mazda 1800 Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1970-1971 Mazda 1800 Base $54.25 Details
Mazda 3 View all Mazda 3 Spark Plugs
OUT OF STOCK 3692 NGK Iridium IX Spark Plug Box of 4 (TR65IX) 2004-2005 Mazda 3 S 2004-2005 Mazda 3 i 2005-2005 Mazda 3 SP23 $54.25 Details
IN STOCK 94374 NGK Iridium IX Spark Plug Box of 4 (LTR6IX) 2007-2009 Mazda 3 Mazdaspeed $54.19 Details
OUT OF STOCK 93501 NGK IX Iridium Spark Plug (Set of 4) 2012-2013 Mazda 3 i 2014-2016 Mazda 3 s Touring 2014-2016 Mazda 3 s Grand Touring 2014-2016 Mazda 3 I Touring 2014-2015 Mazda 3 i SV 2014-2016 Mazda 3 I Sport 2014-2016 Mazda 3 i Grand Touring 2017-2018 Mazda 3 Touring 2017-2018 Mazda 3 Sport 2017-2018 Mazda 3 Grand Touring 2019-2020 Mazda 3 Base $54.25 Details
Mazda 323 View all Mazda 323 Spark Plugs
OUT OF STOCK 4919 NGK Iridium IX Spark Plug Box of 4 (BCPR6EIX-11) 1988-1989 Mazda 323 GTX 1988-1988 Mazda 323 GT $54.25 Details
IN STOCK 2115 NGK IX Iridium Spark Plug Box of 4 (BPR5EIX-11) 1986-1989 Mazda 323 LX 1986-1988 Mazda 323 DX 1986-1994 Mazda 323 Base 1988-1993 Mazda 323 SE $54.25 Details
Mazda 6 View all Mazda 6 Spark Plugs
IN STOCK 94374 NGK Iridium IX Spark Plug Box of 4 (LTR6IX) 2006-2007 Mazda 6 Mazdaspeed $54.19 Details
IN STOCK 6509 NGK Iridium IX Spark Plug Box of 4 (LTR6IX-11) 2009-2013 Mazda 6 S $54.25 Details
OUT OF STOCK 93501 NGK IX Iridium Spark Plug (Set of 4) 2014-2020 Mazda 6 Touring 2014-2020 Mazda 6 Sport 2014-2017 Mazda 6 Grand Touring $54.25 Details
Mazda 616 View all Mazda 616 Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1970-1971 Mazda 616 Base $54.25 Details
Mazda 618 View all Mazda 618 Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1972-1972 Mazda 618 Base $54.25 Details
Mazda 626 View all Mazda 626 Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1986-1987 Mazda 626 GT $54.25 Details
Mazda 808 View all Mazda 808 Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1972-1977 Mazda 808 Base $54.25 Details
Mazda B1600 View all Mazda B1600 Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1972-1976 Mazda B1600 Base $54.25 Details
Mazda B1800 View all Mazda B1800 Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1977-1978 Mazda B1800 Base $54.25 Details
Mazda B2200 View all Mazda B2200 Spark Plugs
IN STOCK 2115 NGK IX Iridium Spark Plug Box of 4 (BPR5EIX-11) 1990-1993 Mazda B2200 SE-5 1990-1993 Mazda B2200 LE-5 1990-1993 Mazda B2200 Base $54.25 Details
Mazda B2600 View all Mazda B2600 Spark Plugs
IN STOCK 2115 NGK IX Iridium Spark Plug Box of 4 (BPR5EIX-11) 1987-1988 Mazda B2600 SE-5 1987-1988 Mazda B2600 LX 1987-1988 Mazda B2600 Base $54.25 Details
Mazda B3000 View all Mazda B3000 Spark Plugs
IN STOCK 3689 NGK IX Iridium Spark Plug Box of 4 (TR6IX) 1999-2000 Mazda B3000 Troy Lee 1999-2001 Mazda B3000 SE 2000-2000 Mazda B3000 SX 2001-2001 Mazda B3000 DS $54.25 Details
Mazda B4000 View all Mazda B4000 Spark Plugs
OUT OF STOCK 3692 NGK Iridium IX Spark Plug Box of 4 (TR65IX) 1997-1997 Mazda B4000 Base 1997-2000 Mazda B4000 SE 2000-2000 Mazda B4000 Troy Lee $54.25 Details
OUT OF STOCK 7316 NGK Iridium IX Spark Plug Box of 4 (TR55-1IX) 2001-2001 Mazda B4000 SE 2001-2004 Mazda B4000 DS 2002-2009 Mazda B4000 Base 2003-2008 Mazda B4000 SE $54.25 Details
Mazda CX-3 View all Mazda CX-3 Spark Plugs
OUT OF STOCK 93501 NGK IX Iridium Spark Plug (Set of 4) 2016-2019 Mazda CX-3 Touring 2016-2020 Mazda CX-3 Sport 2016-2019 Mazda CX-3 Grand Touring $54.25 Details
Mazda CX-30 View all Mazda CX-30 Spark Plugs
OUT OF STOCK 93501 NGK IX Iridium Spark Plug (Set of 4) 2020-2020 Mazda CX-30 Select 2020-2020 Mazda CX-30 Premium 2020-2020 Mazda CX-30 Preferred 2020-2020 Mazda CX-30 Base $54.25 Details
Mazda CX-5 View all Mazda CX-5 Spark Plugs
OUT OF STOCK 93501 NGK IX Iridium Spark Plug (Set of 4) 2013-2020 Mazda CX-5 Touring 2013-2020 Mazda CX-5 Sport 2013-2020 Mazda CX-5 Grand Touring $54.25 Details
Mazda CX-7 View all Mazda CX-7 Spark Plugs
IN STOCK 94374 NGK Iridium IX Spark Plug Box of 4 (LTR6IX) 2007-2009 Mazda CX-7 Grand Touring 2007-2009 Mazda CX-7 Sport 2007-2009 Mazda CX-7 Touring $54.19 Details
Mazda CX-9 View all Mazda CX-9 Spark Plugs
IN STOCK 6509 NGK Iridium IX Spark Plug Box of 4 (LTR6IX-11) 2007-2015 Mazda CX-9 Grand Touring 2007-2015 Mazda CX-9 Sport 2007-2015 Mazda CX-9 Touring $54.25 Details
Mazda GLC View all Mazda GLC Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1977-1978 Mazda GLC DX 1977-1977 Mazda GLC LX 1978-1978 Mazda GLC Base 1978-1978 Mazda GLC Sport $54.25 Details
Mazda Mizer View all Mazda Mizer Spark Plugs
IN STOCK 6637 NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1976-1977 Mazda Mizer Base $54.25 Details
IN STOCK - LOW 3903 NGK Iridium IX Spark Plug Box of 4 (BPR6EIX-11) 1976-1976 Mazda Mizer Base $54.25 Details
Mazda MX-5 Miata View all Mazda MX-5 Miata Spark Plugs
IN STOCK 6509 NGK Iridium IX Spark Plug Box of 4 (LTR6IX-11) 2006-2006 Mazda MX-5 Miata Base 2006-2006 Mazda MX-5 Miata Club Spec 2006-2015 Mazda MX-5 Miata Grand Touring 2006-2015 Mazda MX-5 Miata Sport 2006-2012 Mazda MX-5 Miata Touring 2007-2009 Mazda MX-5 Miata SV 2011-2012 Mazda MX-5 Miata Special Edition 2013-2015 Mazda MX-5 Miata Club 2015-2015 Mazda MX-5 Miata 25th Anniversary Edition $54.25 Details
OUT OF STOCK 93501 NGK IX Iridium Spark Plug (Set of 4) 2016-2020 Mazda MX-5 Miata Sport 2016-2020 Mazda MX-5 Miata Grand Touring 2016-2020 Mazda MX-5 Miata Club 2017-2020 Mazda MX-5 Miata RF Grand Touring 2017-2020 Mazda MX-5 Miata RF Club $54.25 Details
Mercedes-Benz NGK Iridium IX
Mercedes-Benz 190B View all Mercedes-Benz 190B Spark Plugs
OUT OF STOCK 4085 NGK Iridium IX Spark Plug Box of 4 (BPR6HIX) 1960-1962 Mercedes-Benz 190B Base $54.25 Details

Looking to upgrade your vehicle with a spark plug from NGK? We carry a great variety of NGK Iridium IX and other ignition performance parts for your vehicle.

We have 82 NGK Iridium IX available with free shipping to the Continental US 48 States.

NGK Iridium IX

Lincoln NGK Iridium IX

Lincoln Town Car

Lotus NGK Iridium IX

Lotus Eclat

Lotus Elite

Lotus Esprit

Lotus Seven

Lotus Super Seven

Maico NGK Iridium IX

Maico 250

Maico 250 Enduro

Maico 400

Maserati NGK Iridium IX

Maserati 430i

Maserati Biturbo

Maserati Bora

Maserati Ghibli

Maserati Indy

Maserati Khamsin

Maserati Merak

Maserati Mexico

Maserati Quattroporte

Mazda NGK Iridium IX

Mazda 1800

Mazda 3

Mazda 323

Mazda 6

Mazda 616

Mazda 618

Mazda 626

Mazda 808

Mazda B1600

Mazda B1800

Mazda B2200

Mazda B2600

Mazda B3000

Mazda B4000

Mazda CX-3

Mazda CX-30

Mazda CX-5

Mazda CX-7

Mazda CX-9

Mazda GLC

Mazda Mizer

Mazda MX-5 Miata

Mercedes-Benz NGK Iridium IX

Mercedes-Benz 190B