148 articles found
Uncover whether Autolite Iridium XP spark plugs truly deliver 100,000-mile durability, fuel savings, and smoother starts—or if OEM copper plugs still make more sense.
Not all spark plugs are created equal—discover how the NGK 6422 stands out in longevity and efficiency. Find out more inside!
Discover the unique advantages of the NGK BKR5EIX-11 spark plug, but what sets it apart from its competitors?
A concise look at the Champion Copper Plus 412’s real-world durability, heat range, and performance—discover whether it truly outperforms expectations.
I found the Motorcraft SP-493 offers solid cold starts and crisp throttle response—discover the fitment, torque tips, and longevity caveats next.
Outstanding NGK 5574 spark plugs show improved throttle response and durability—discover the real fuel-economy gains, longevity under heavy use, and fitment caveats.
Mild-mannered performance and long life belie surprising gains—discover why the ACDelco 41-109 might transform your engine's feel.
Discover the impressive features of the ACDelco GM 41-156 Iridium Spark Plug and see how it stands out from the competition.
Want better starts and fewer misfires? Discover whether the ACDelco GM 41-114 iridium plug truly improves throttle feel—or if it's just OEM marketing.
Looking for reliable spark plugs for your Honda engine? Discover why the Honda 2 Pack Genuine Spark Plug is a must-have for optimal performance.
