{"product_id":"champion-rh8c-538-copper-core-spark-plug","title":"Champion RH8C 538 Copper Core Spark Plug","description":"Spark Plug - RH8C\n\u003cp\u003eThe Champion RH8C spark plug, manufacturer part number 538, is designed to deliver dependable ignition performance for compatible gasoline engines. Its copper core center electrode provides precise heat-range control, helping promote efficient combustion, consistent starting, and reliable operation across a broad range of driving and working conditions. This plug is supplied under the Champion brand and is identified by vendor part number RH8C and manufacturer part number 538.\u003c\/p\u003e\u003cp\u003eBuilt for fitment in applications specified for the Champion RH8C model, this spark plug should be matched to the engine manufacturer’s recommended plug type, heat range, thread specification, and reach before installation. Proper fitment helps support stable engine performance while reducing the risk of misfire or premature wear. The Champion RH8C is suitable for replacement service where a compatible copper-core spark plug is required.\u003c\/p\u003e\u003cp\u003eChampion’s patented SAC-9 semiconductor resistor helps suppress electromagnetic interference (EMI) and radio-frequency interference (RFI), supporting clean operation of nearby electronic systems. The patented Ultraseal™ coated shell helps protect against rust and corrosion, contributing to long-term durability in demanding under-hood environments. With its copper core, integrated interference suppression, and corrosion-resistant shell, the Champion RH8C 538 spark plug is a practical replacement choice for properly matched engine applications.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCopper Core Center Electrode: Helps provide accurate heat-range control for consistent performance and extended spark plug life.\u003c\/li\u003e\n\u003cli\u003eSAC-9 Semiconductor Resistor: Patented resistor technology helps suppress electromagnetic interference (EMI) and radio-frequency interference (RFI).\u003c\/li\u003e\n\u003cli\u003eUltraseal™ Coated Shell: Patented coating helps prevent rust and supports durability in under-hood environments.\u003c\/li\u003e\n\u003cli\u003eFitment: Designed for engines and equipment specified for the Champion RH8C model; verify the application before installation.\u003c\/li\u003e\n\u003cli\u003eBrand and Part Numbers: Champion brand; vendor part number RH8C; manufacturer part number 538.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CHAMPION","offers":[{"title":"Default Title","offer_id":67569421320427,"sku":"RH8C","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/12798.png?v=1790805438","url":"https:\/\/ctracingservices.com\/products\/champion-rh8c-538-copper-core-spark-plug","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}