This is an excellent all around plug. It has a hotter heat range than our K&B 7311 and works well in .049-.61 size engines. Good for up to 20% nitro content fuel. Does not contain as much rhodium as our other plugs but does have a platinum element alloyed with another platinum family alloy.

Save 5%on2 | 10%on4 | 15%on6 or more