⚙️ Ignite Your Drive with ACDelco Gold! Experience superior spark characteristics with platinum on the center electrode. Designed for General Motors vehicles and most makes and models. Manufactured to meet rigorous specifications for fit and function. Solid state suppressor reduces radio frequency interference for a smoother ride. Pure copper core ensures exceptional heat transfer and longevity. Superior spark characteristics Maximized plug durability Premium aftermarket quality The ACDelco Gold 21 RAPIDFIRE Spark Plug is a premium aftermarket replacement designed to enhance engine performance. Featuring a solid state suppressor and a platinum center electrode, it reduces radio frequency interference while maximizing durability and spark efficiency. Compatible with a wide range of vehicles, this spark plug is engineered to meet high standards for fit and function.