Spark Plug Set (6pcs) - 5/8" hex High Performance & Twin Plug applications (IGN R56 71A7)
High Performance V Power Spark Plug with 5/8" hex
Our preferred spark plug for high compression twin plug applications. With a Slightly lower depth / reach in combustion chamber for clearance with high compression / high domed pistons.
Sold as a set of 6 - 2 sets for twin plug application