Diameter: 9.48mm, a total of 208 pieces, 3 shims of each size from 1.2mm to 3.5mm in 0.05 increments,3.5mm to 4.0mm in 0.1 increments.Made of high-quality carburized steel, strong and durable, strong tensile strength, toughness, not easy to bend,High temperature resistance, corrosion resistance, oxidation resistance.
n order to achieve the best performance of the engine, it is necessary to check the valve regularly, adjust the necessary plug and adjust the gasket of various specifications