HP Copper Spark Plug - 0786-4 heat-shields The 12-927 is rated for

The 12-927 is rated for continuous duty service and have been tested up to 2

Part Number: 843016

Black Paint

Fits 1998-2002 Subaru Forester

Single-Stage Power Valve High Flow 3

HP Copper Spark Plug - 0786-4 heat-shields The 12-927 is rated forOverview: ACCEL HP Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high performance applications where high combustion pressures are present. Copper is much better at dissipating heat than other materials which lessens the chance of a misfire. ACCEL HP Spark Plugs are gapable allowing you to open the gap exposing a larger flame kernel or close it if needed for