Spark Plugs & Leads Cables for Holden HSV LS1 V8 Commodore Calais VT VU VY VX VZ
Ruthenium HX™ spark plugs. The ultimate high ignitability spark plugs from NGK. Modern engines demand spark plugs that provide top performance while enduring the most severe conditions. NGK Ruthenium HX spark plugs: Ultimate ignitability.