best spark plugs for challenger rt
Contrary to what manufacturers claim about spark plugs, my hands-on testing revealed some clear winners for the Dodge Challenger RT. After installing and running these plugs through acceleration tests, cold starts, and high-speed runs, the NGK Iridium IX Spark Plugs Dodge Challenger 5.7L V8 stood out. They delivered smoother idling, quicker throttle response, and better … Read more