Small engine Briggs & Stratton branded OHV spark plug. Fits most overhead valve engines including Intek, Intek Pro, Power Built, Intek V-Twin, Vanguard, and ELS engines with a range of 6 to 27HP. Improves performance, resists fouling; superior corrosion-resistance. Resistor reduces electrical noise interference. Similar to Champion part No. RC14YC. Check gap: 0.030.