Looking for aftermarket parts to modify or upgrade your Buick Regal with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories.

OUT OF STOCK 2815NGK G-Power Series offers the performance and durability of platinum at a competitive price. Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy.... NGK G-Power Spark Plug Box of 4 (TR4GP) 1988-1993 Buick Regal Custom / Limited 1989-1989 Buick Regal Gran Sport $40.63 |
OUT OF STOCK 2869NGK G-Power Series offers the performance and durability of platinum at a competitive price. Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy.... NGK G-Power Spark Plug Box of 4 (UR4GP) 1980-1980 Buick Regal Base / Limited 1980-1981 Buick Regal Sport 1984-1986 Buick Regal T-Type 1984-1987 Buick Regal Grand National 1987-1987 Buick Regal GNX / Limited $40.63 |
OUT OF STOCK 3072NGK G-Power Series offers the performance and durability of platinum at a competitive price. Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy.... NGK G-Power Spark Plug Box of 4 (FR45GP) 1986-1987 Buick Regal Base / Limited $40.63 |
IN STOCK 5019NGK G-Power Series offers the performance and durability of platinum at a competitive price. Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy.... NGK G-Power Platinum Spark Plug Box of 4 (LTR5GP) 2011-2011 Buick Regal CXL 2012-2013 Buick Regal GS / Premium 2012-2017 Buick Regal Base 2015-2016 Buick Regal Premium $48.43 |
OUT OF STOCK 94372NGK G-Power Series offers the performance and durability of platinum at a competitive price. Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy.... NGK G-Power Spark Plug Box of 4 (LTR6GP-8) 2014-2017 Buick Regal GS / Premium 2015-2017 Buick Regal Base 2016-2017 Buick Regal Sport Touring $48.43 |

IN STOCK - LOW 3403NGK G-Power Series offers the performance and durability of platinum at a competitive price. Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy.... NGK GP Platinum Spark Plug Box of 4 (TR55GP) 1990-1996 Buick Regal Custom / Gran Sport / Limited 1996-1996 Buick Regal Olympic Gold Edition 1997-2004 Buick Regal GS / LS 1998-1998 Buick Regal 25th Anniversary Edition 2000-2000 Buick Regal GSE / LSE $40.63 |

IN STOCK 7164The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.... NGK IX Iridium Spark Plug Box of 4 (TR55IX) 1990-1996 Buick Regal Custom / Gran Sport / Limited 1996-1996 Buick Regal Olympic Gold Edition 1997-2004 Buick Regal GS / LS 1998-1998 Buick Regal 25th Anniversary Edition 2000-2000 Buick Regal GSE / LSE $54.25 |
OUT OF STOCK 7293The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.... NGK Iridium IX Spark Plug Box of 4 (XR45IX) 1975-1977 Buick Regal Base 1976-1977 Buick Regal SR $54.25 |
OUT OF STOCK 7300The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.... NGK Iridium IX Spark Plug Box of 4 (TR4IX) 1988-1993 Buick Regal Custom / Limited 1989-1989 Buick Regal Gran Sport $54.25 |
IN STOCK 94374The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.... NGK Iridium IX Spark Plug Box of 4 (LTR6IX) 2014-2017 Buick Regal GS / Premium 2015-2017 Buick Regal Base 2016-2017 Buick Regal Sport Touring $54.19 |

IN STOCK - LOW 5476NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines.... NGK Laser Iridium Spark Plug Box of 4 (ILTR5D) 2011-2011 Buick Regal CXL 2012-2013 Buick Regal GS / Premium 2012-2017 Buick Regal Base 2015-2016 Buick Regal Premium $59.55 |
OUT OF STOCK 5599NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines.... NGK Laser Iridium Spark Plug Box of 4 (ITR4A15) 1990-1996 Buick Regal Custom / Gran Sport / Limited 1996-1996 Buick Regal Olympic Gold Edition 1997-2004 Buick Regal GS / LS 1998-1998 Buick Regal 25th Anniversary Edition 2000-2000 Buick Regal GSE / LSE $58.38 |
OUT OF STOCK 94489NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines.... NGK Laser Iridium Spark Plug Box of 4 (ILTR6M9G) 2014-2017 Buick Regal GS / Premium 2015-2017 Buick Regal Base 2016-2017 Buick Regal Sport Touring $59.55 |

OUT OF STOCK 90220NGK Ruthenium HX is designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions.... NGK Ruthenium HX Spark Plug Box of 4 (LTR5AHX) 2011-2011 Buick Regal CXL 2012-2012 Buick Regal Premium 2012-2017 Buick Regal Base 2015-2016 Buick Regal Premium $66.88 |
OUT OF STOCK 97100NGK Ruthenium HX is designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions.... NGK Ruthenium HX Spark Plug Box of 4 (TR4BHX) 1997-2004 Buick Regal GS / LS 1998-1998 Buick Regal 25th Anniversary Edition 2000-2000 Buick Regal GSE / LSE $66.88 |

IN STOCK - LOW 7401NGK Racing Series plugs are engineered to withstand the harshest engine conditions.... NGK Racing Spark Plug Box of 4 (UR4IX) 1980-1980 Buick Regal Base / Limited 1980-1981 Buick Regal Sport 1984-1986 Buick Regal T-Type 1984-1987 Buick Regal Grand National 1987-1987 Buick Regal GNX / Limited $54.25 |

IN STOCK 90495NGK Ruthenium HX is designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions.... NGK Ruthenium HX Spark Plug Box of 4 (LTR6BHX) 2014-2017 Buick Regal GS / Premium 2015-2017 Buick Regal Base 2016-2017 Buick Regal Sport Touring $66.88 |

OUT OF STOCK 3207NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines.... NGK Single Platinum Spark Plug Box of 4 (UR45GP) 1975-1987 Buick Regal Base 1976-1977 Buick Regal SR 1978-1978 Buick Regal Sport 1978-1987 Buick Regal Limited 1982-1982 Buick Regal Limited Turbo / Sport 1982-1983 Buick Regal Estate Wagon 1983-1983 Buick Regal T-Type $40.63 |
OUT OF STOCK 4344The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.... NGK Single Iridium Spark Plug Box of 4 (LTR5IX-11) 2011-2011 Buick Regal CXL 2012-2013 Buick Regal GS / Premium 2012-2017 Buick Regal Base 2015-2016 Buick Regal Premium $54.25 |
OUT OF STOCK 7559The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.... NGK Single Iridium Spark Plug Box of 4 (UR45IX) 1975-1987 Buick Regal Base 1976-1977 Buick Regal SR 1978-1978 Buick Regal Sport 1978-1987 Buick Regal Limited 1982-1982 Buick Regal Limited Turbo / Sport 1982-1983 Buick Regal Estate Wagon 1983-1983 Buick Regal T-Type $54.25 |

OUT OF STOCK 3686NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching.... NGK V-Power Spark Plug Box of 4 (FR45) 1986-1987 Buick Regal Base / Limited $35.99 |
IN STOCK - LOW 3754NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching.... NGK V-Power Spark Plug Box of 4 (TR4) 1988-1993 Buick Regal Custom / Limited 1989-1989 Buick Regal Gran Sport $35.99 |
IN STOCK 3951NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching.... NGK V-Power Spark Plug Box of 4 (TR55) 1990-1996 Buick Regal Custom / Gran Sport / Limited 1996-1996 Buick Regal Olympic Gold Edition 1997-2004 Buick Regal GS / LS 1998-1998 Buick Regal 25th Anniversary Edition 2000-2000 Buick Regal GSE / LSE $36.82 |
OUT OF STOCK 4536NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching.... NGK V-Power Spark Plug Box of 4 (XR45) 1975-1977 Buick Regal Base 1976-1977 Buick Regal SR $35.99 |
IN STOCK 6630NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching.... NGK V-Power Spark Plug Box of 4 (UR4) 1980-1980 Buick Regal Base / Limited 1980-1981 Buick Regal Sport 1984-1986 Buick Regal T-Type 1984-1987 Buick Regal Grand National 1987-1987 Buick Regal GNX / Limited $35.99 |