NGK V-Power Spark Plugs R5671A-7 / 4091 – Set Of 8 For Honda Racing Applications

This set of 8 NGK V-Power spark plugs is part number R5671A-7, also known as 4091.

They’re designed for high-performance and racing applications, commonly used in Honda builds.

V-Power design gives a strong spark for better throttle response.

Interchanges with a ton of numbers—check the list to confirm fit.

New, sealed set.

If you’re building a motor or just want the best ignition, these are it.