Includes (10) BR9ES Spark PlugsThread Size: 14mm, Thread Pitch: 1.25mm, Seat Type: Gasket, Resistor Value: 5K Ohm, Reach: 19mm (3/4").Hex Size: 13/16" (21mm), Terminal Type: Removable Nut, Overall Height: ISO, Gap:.031" (0.8mm)Material: Nickel, Type: Standard, Size: 2.5mm, Projection: Non-ProjectedNGK standard plugs are constructed for longer life and optimum performance.Compatible with the Following:Autolite: 3702, 3703, 4062, 4063, XS4062, Bosch: W2CC, W3CC, W4CC, WR3CC, WR3CP, Champion: 818, 8902, N2C, NR2C, OE091, T10, QN2, QN2C, RN2, RN2C