Autolite Genuine Small Engine Copper Core Spark Plug - 25

Includes (1) 25 Spark Plug. Thread Size: 14mm, Thread Pitch: 1.25mm, Seat Type: Tapered, Reach: 11.6mm (.460").. Hex Size: 5/8" (16mm), Terminal Type: Solid. Material: Nickel, Type: Standard, Projection: Projected. Copper core improves resistance to fouling.. Compatible with the Following:Bosch: 7575, 7575, 7975, H9B, H9BC, HR8BC, HR9B, HR9BC, WA125T40, WA125TR40, YR9B, Champion: 18, 18, 4018, 52, 5942, 83, BL13Y, RBL13Y, RBL15Y, RBL15Y4, RV12YC, RV15YC, RV15YC4, RV91MC, UBL13Y, NGK: 2423, 2423, 4762, 6630, BP5FS, BPR5FS, BPR5FS-11, UR4, Torch: P5RTC, P5RTC