Clara Hayes

Best Karlyn STI coil: Engine misfires often stem from failing ignition coils.

Best Beck Arnley coil: When replacing ignition coils, the biggest worry is whether the part truly matches OE form and function.

I looked for the best Standard Motor coil, but the listings show a messy tradeoff: fit depends on the exact part number, and the only tangible specs…

Best AEM High Output coil: High-output ignition coils promise stronger spark for boosted engines, but buyers struggle to match energy specs to…

Best Autolite Double Platinum: Upgrading to Autolite Double Platinum spark plugs is usually about chasing quicker acceleration and easier starts.

I looked for the best Champion Iridium spark plugs to see how their precious metal electrodes hold up against engine wear.

Best Bosch Double Iridium: Choosing spark plugs for a GDI engine feels risky, because the wrong heat range or gap can hurt drivability fast.

Best Denso Twin Tip plugs: Upgrading your ignition system starts with selecting the right spark plugs.

Best NGK Ruthenium plugs: I looked for the best NGK Ruthenium spark plugs, focusing on their high-ignitability DFE tips and temperature durability.

Best Taylor Cable plugs: Engine misfires often stem from worn ignition wires.