CPR7EA-9 Spark Plug NGK^ 3901 (CPR7EA9) size-140-90-15 With induction hardened teeth for

With induction hardened teeth for the highest possible wear resistance

Used in the famous 2012 Bikers Classic 4 Hour at Spa

Hardened steel construction prevents the hook from bending under heavy load

New 520 ERVT breaks down the concept of the original motocross chain (non-O-Ring) and adds the benefits of an x-ring

CPR7EA-9 Spark Plug NGK^ 3901 (CPR7EA9) size-140-90-15 With induction hardened teeth forA versatile and reliable ignition component designed for everyday use and longevity. This spark plug utilizes advanced ceramic technology to ensure electrical insulation and structural integrity under high thermal stress. Large copper core provides excellent heat dissipation for high load environments. Precision rolled threads prevent damage to the cylinder head during installation. Optimised spark gap geometry promotes more complete fuel burning.