{"product_id":"champion-502-copper-plus-spark-plug-d21-d-21-4-pack","title":"Champion 502 Copper Plus Spark Plug D21 D-21 - 4 Pack","description":"\u003cp\u003eThe Champion 502 Copper Plus Spark Plug (D21\/D-21) is designed to provide reliable ignition, smooth engine operation, and efficient combustion. Featuring a copper core and nickel alloy electrode, it ensures strong spark, optimal heat dissipation, and resistance to fouling. Ideal for automotive and small engine applications, the D21 offers dependable cold starts, improved fuel efficiency, and long-lasting performance for a variety of engines.\u003c\/p\u003e \u003ch3\u003eFeatures \u0026amp; Benefits:\u003c\/h3\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e🔧 Copper core ensures strong spark and effective heat dissipation\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e🔧 Nickel alloy electrode resists fouling, corrosion, and wear\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e🔧 Pre-gapped for easy and precise installation\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e🔧 Provides smooth idle and reliable cold-start performance \u003c\/p\u003e \u003ch3\u003eSpecifications:\u003c\/h3\u003e \u003cp\u003e     Brand \u0026amp; Part Number: Champion 502 (D21\/D-21)\u003c\/p\u003e\u003cp\u003e     Material: Copper Core with Nickel Alloy Electrode\u003c\/p\u003e\u003cp\u003e     Thread Size: 14mm\u003c\/p\u003e\u003cp\u003e     Reach: 0.46 in. (11.7mm)\u003c\/p\u003e\u003cp\u003e     Gap: Pre-gapped (~0.035 in.) \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eEnsure optimal engine performance and reliable ignition with Champion 502 Copper Plus Spark Plugs! \u003cp\u003e🔧\u003c\/p\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Texan Supply Company","offers":[{"title":"Default","offer_id":46903745609879,"sku":"CHP-502-4PK","price":25.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/8966\/7735\/files\/CHP-502-4PK_01.jpg?v=1770667397","url":"https:\/\/txnsupply.com\/products\/champion-502-copper-plus-spark-plug-d21-d-21-4-pack","provider":"Texan Supply Company","version":"1.0","type":"link"}