NGK Racing Spark Plugs Stock Item:R5724-9 Racing Spark Plug NGK 6434 Note: PG3215 Pre-Drilled lense is

Note: PG3215 Pre-Drilled lense is required to use the PG3268XL Roll-Off System

Top Outside Diameter: 168 mm (6

Comes as a pair

Designed to withstand the unique conditions of racing

The rear tyre is enhanced with a newly adapted silica single compound to maximise performance grip and wear

NGK Racing Spark Plugs Stock Item:R5724-9 Racing Spark Plug NGK 6434 Note: PG3215 Pre-Drilled lense isNGK have been igniting sparks since the 1930s. However, sparks dont just simply ignite. It takes a high amount of precision to create spark plugs that perform their task well and are extremely resistant in doing so. NGK Racing Competition Spark Plugs are designed for use in engines that have been fine tuned to achieve maximum power under specific racing conditions. NGK Racing Series plugs are engineered to withstand the harshest engine conditions