SKU: LMAR8G Don’t just ask for a spark plug, insist on NGK. The 98% pure copper core delivers increased heat dissipation for more reliable starts and reduced risk of overheating. While cold-rolled threads prevent cross-threading and damage to cylinder heads and a trivalent plating eliminates the need for anti-seize. Complete with a high-grade alumina silicate ceramic. Shell Thread Size: 10mm Thread Pitch: 1.0mm Seat Type: Gasket Resistor Value: 5K Ohm Reach: 26.5mm (1.04″) Hex Size: 14mm (9/16″) Terminal Type: Threaded Stud Overall Height: ISO Gap: 0.8mm (0.031″) Centre Electrode Material: Nickel Type: Standard Size: 2.5mm Projection: Non-Projected Ground Electrode Material: Nickel Type: Standard Quantity: 1 Specifications Heat Range: 8