{"product_id":"champion-121-spark-plug","title":"Champion 121 Spark Plug","description":"\u003ch2\u003eReliable Ignition Performance for Chevrolet and Pontiac Vehicles\u003c\/h2\u003e\u003cp\u003eThe Champion Copper Plus 121 spark plug is engineered to deliver consistent ignition performance for a range of Chevrolet and Pontiac models. Designed with durable nickel and copper alloy components, this spark plug supports efficient combustion and reliable engine operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGround electrode core made of nickel for durability\u003c\/li\u003e\n\u003cli\u003eCenter electrode tip constructed from nickel\u003c\/li\u003e\n\u003cli\u003ePre-set gap size of 0.040 inches (1.02 mm) for optimal spark\u003c\/li\u003e\n\u003cli\u003eSingle ground electrode with nickel copper alloy material\u003c\/li\u003e\n\u003cli\u003eTapered seat type ensuring proper fit and seal\u003c\/li\u003e\n\u003cli\u003eHeat range rating of 8 for balanced thermal performance\u003c\/li\u003e\n\u003cli\u003eNon-removable nut electrical terminal type\u003c\/li\u003e\n\u003cli\u003eResistor type spark plug to reduce electrical interference\u003c\/li\u003e\n\u003cli\u003eThread diameter of 14 mm (0.551 inches) with 0.441 inch reach\u003c\/li\u003e\n\u003cli\u003eHex size of 15.88 mm (0.625 inches) for installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Champion Copper Plus Spark Plug Line\u003c\/h2\u003e\u003cp\u003eThe Copper Plus line from Champion is designed to provide dependable ignition with copper core technology that enhances conductivity and heat dissipation. This line focuses on delivering consistent spark and improved engine responsiveness, making it suitable for classic and performance vehicles such as Chevrolet Camaro and Pontiac Firebird models. The Copper Plus 121 spark plug combines traditional materials like nickel and copper alloys to maintain reliable operation under various driving conditions.\u003c\/p\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Champion Copper Plus 121 spark plug features a nickel ground electrode core and a nickel center electrode tip, both contributing to durability and stable spark generation. The pre-gap size is factory set at 0.040 inches (1.02 mm), ensuring optimal ignition without additional adjustment. With a heat range of 8, this plug is suited for engines requiring moderate heat dissipation. The tapered seat and 14 mm thread diameter with a 0.441 inch reach provide a secure fit in compatible cylinders.\u003c\/p\u003e\u003ch2\u003eCompatible Chevrolet and Pontiac Models\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Acadian\u003c\/li\u003e\n\u003cli\u003eChevrolet Bel Air\u003c\/li\u003e\n\u003cli\u003eChevrolet Camaro\u003c\/li\u003e\n\u003cli\u003eChevrolet Caprice\u003c\/li\u003e\n\u003cli\u003eChevrolet Corvette\u003c\/li\u003e\n\u003cli\u003eChevrolet Impala\u003c\/li\u003e\n\u003cli\u003eChevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003eChevrolet Nova\u003c\/li\u003e\n\u003cli\u003ePontiac Laurentian\u003c\/li\u003e\n\u003cli\u003ePontiac Parisienne\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores consistent ignition spark in older Chevrolet and Pontiac engines\u003c\/li\u003e\n\u003cli\u003eHelps reduce misfires and rough idling\u003c\/li\u003e\n\u003cli\u003eImproves cold start performance\u003c\/li\u003e\n\u003cli\u003eSupports efficient fuel combustion for better engine response\u003c\/li\u003e\n\u003cli\u003eMinimizes electrical interference with resistor design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installation, verify the spark plug gap is set to 0.040 inches (1.02 mm) as specified. Use a 15.88 mm (0.625 inch) hex socket for proper torque application. Ensure the tapered seat is clean and free of debris to achieve a proper seal. Avoid over-tightening to prevent thread damage. The non-removable nut terminal type requires compatible ignition wire connectors.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eChampion Copper Plus spark plugs are manufactured to meet OEM specifications for fit and function. The use of nickel and copper alloy materials ensures durability and consistent performance. While specific warranty details are not provided, Champion products typically adhere to industry standards for quality and reliability.\u003c\/p\u003e","brand":"Champion","offers":[{"title":"Default Title","offer_id":43744482492597,"sku":"BBKH-121","price":13.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CS_121_Fro_fc3e7e57-0be8-499d-8cc1-bb7ded2e8421.jpg?v=1774994069","url":"https:\/\/www.partcatalog.com\/products\/champion-121-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}