Looking for aftermarket parts to modify or upgrade your 2018 Chevrolet Impala with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories.

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) 2014-2019 Chevrolet Impala LS / LT $49.42 |
OUT OF STOCK 90198NGK 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) 2012-2020 Chevrolet Impala LT 2017-2019 Chevrolet Impala LS 2017-2020 Chevrolet Impala Premier $49.42 |

IN STOCK 6509The 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-11) 2012-2020 Chevrolet Impala LT 2017-2019 Chevrolet Impala LS 2017-2020 Chevrolet Impala Premier $55.51 |

OUT OF STOCK 96329NGK 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 (ILTR5L11) 2014-2019 Chevrolet Impala LS / LT $61.03 |

OUT OF STOCK 90117NGK 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/Platinum Spark Plug Box of 4 (ILTR6E11) 2012-2020 Chevrolet Impala LT 2017-2019 Chevrolet Impala LS 2017-2020 Chevrolet Impala Premier $59.64 |

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) 2014-2019 Chevrolet Impala LS / LT $68.68 |
IN STOCK 91276NGK 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 04-16 Cadillac SRX Spark Plug 2012-2020 Chevrolet Impala LT 2017-2019 Chevrolet Impala LS 2017-2020 Chevrolet Impala Premier $68.68 |

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) 2014-2019 Chevrolet Impala LS / LT $55.51 |