Unleash the power of precision engineering with the AC DELCO Spark Plugs CR43TSM, designed to deliver reliable performance and durability for your engine. Crafted by ACDelco, a trusted name in automotive components, these spark plugs are an essential for maintaining optimal engine function. Each plug in this pack of eight is meticulously designed to meet the high standards of quality and fitment, ensuring a perfect match for your vehicle's specifications. With the Manufacturer Part Number CR43TSM, you can be confident in your choice for keeping your engine running smoothly.