A-Premium 4Pcs Iridium Platinum Spark Plugs Compatible With Buick Encore 2013-2021 & Chevrolet Cruze 2011-2016, Sonic 2012-2020, Trax 2013-2021 – L4 1.4L

[Vehicle Fitment]: Compatible With Buick Encore 2013-2021 L4 1.4L | [Vehicle Fitment]: Compatible With Chevrolet Cruze 2011-2015 L4 1.4L, Cruze Limited 2016-2016 L4 1.4L, Sonic 2012-2020 L4 1.4L, Trax 2013-2021 L4 1.4L | [Reference Number]: The A-Premium Spark Plug’S Reference Number: 91039, Ifr7X7G, 55576026, 55585517, Ai3922, Xp3922, Xs3922. Before Placing An Order, Verify That The Part Is Compatible With Your Vehicle Using The Compatibility System. | [Product Specifications]: ?Center Electrode Tip Material: Iridium; ?Center Electrode Core Material: Iridium; ?Resistance (Ohms): 5000; ?Gap Size (In): 0.044; ?Hex Size (In): 5/8; ?Insulator Height (Mm): 53.00; ?Reach (In): 0.75; ?Thread Diameter (Mm): 14.00 | [Engineered For Longevity]: For Optimal Engine Performance And Longevity, It Is Recommended To Replace Platinum Iridium Spark Plugs At Mileage Intervals Of 80,000 To 100,000 Miles