● Pure alumina silicate ceramic insulator, providing superior strength and better heat transfer.
● Nickel copper core increases your engine’s acceleration and fuel efficiency with stable ignitability.
● The v-cut center electrode design allows the spark to more quickly ignite the air/fuel mixture for quicker starts.
● Fit for Kohler CH11S, CH12.5, CH12.5S, CH13S, CH14S, CH14ST, CH15GS, CH20, CH20S, Replaces Briggs 491055, 12 132 02-S, NGK BK5ES, Champion RC12YC, Torch K5TC.
● Specs: thread diameter: 14mm; reach: 19mm; gap: 0.8mm