Includes (2) BPMR8Y-2PK Spark PlugsNew, Bulk PackedThread Size: 14mm, Thread Pitch: 1.25mm, Seat Type: Gasket, Resistor Value: 10K Ohm, Reach: 9.5mm (3/8"), Hex Size: 3/4" (19mm), Terminal Type: Solid, Overall Height: Bantam, Gap: .028" (0.7mm)Center Electrode: Material: Nickel, Type: V-Cut, Size: 2.5mm, Projection: ProjectedPlease refer to list for compatibilityCompatible with the Following:Echo: CS-400, Autolite: 2974, XST2974, Brisk: PR15YC, Champion: 852, RCJ6Y, RCJ6YT04, Kawasaki: 920702115, E920702115, Tanaka: 018-04093-20