Description
Includes (1) 437 Spark Plug. Thread Size: 14mm, Thread Pitch: 1.25mm, Seat Type: Gasket, Reach: 11mm (7/16″). Hex Size: 13/16″ (21mm), Terminal Type: Solid. Material: Nickel, Type: Standard, Projection: Projected. Copper core improves resistance to fouling. . Compatible with the Following: Bosch: WR9FC, Champion: 857, 91, H14Y, H18Y, RH18Y, XH14Y, XH18Y, NGK: 3112, B4L, B-4L, Torch: 4114J, H4C
