What spark plug will cross reference with Torch f6RTC?

The Torch F6RTC spark plug can be cross-referenced with several other spark plugs, including NGK CR6HSA, Denso W20EPR-U, and Champion RN9YC. When replacing spark plugs, it's important to check the specifications such as heat range, thread size, and reach to ensure compatibility. Always consult the vehicle's manual or a trusted source for the best match for your specific application.