9602 Iridium Spark Plugs 8 Pack - Compatible with Buick Regal Escalade Chevy Express Silverado Suburban Savana Sierra Yukon Envoy, 1.6L 3.3L 5.6L 6.0L Engine - Replaces HR8LII33U Spark Plug

Perfect FitSpark plugs Compatible with Buick LaCrosse Allure Century LeSabre Park Avenue Regal Riviera Skylark; Compatible with Cadillac CTS Escalade ESV EXT; Compatible with Chevy Express Silverado Suburban Avalanche SS Camaro Tahoe; Compatible with GMC Savana Yukon Sierra Envoy; Compatible with Hummer H2 H3. For more information about the fit, please check the picture or detail page.
Note: Please verify your vehicle's make, model, and engine size before purchasing to ensure compatibility.; OE ReplacementDirect replacement for OE numbers 9602, HR8LII33U. These spark plugs meet or exceed OEM standards for form, fit, and function. Made from high-temperature resistant materials, they withstand extreme thermal stress, ensuring durability and reliability.; Pre-Gapped Spark PlugEach spark plug is pre-gapped to 1.0 mm ( 0.039 ''), ensuring optimal ignition performance and hassle-free installation. For additional specifications such as thread size, hex size, and reach, please refer to the product images for complete details.; Iridium DesignCrafted with precious iridium metal, these spark plugs offer stronger ignition performance, faster cold starts. The wear-resistant design enhances fuel efficiency, reduces carbon buildup, and extends engine life. Ideal for use in automobiles, trucks, SUVs, motorcycles, marine engines, and industrial equipment, these spark plugs are engineered to maximize engine power and improve overall vehicle performance.; Customer Service & Quality AssuranceAt SY