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Keep your motor running right with fresh spark plugs!

NGK is one of the world's largest manufacturer of spark plugs, whose products are used as original equipment (OE) on countless motorcycle and automobile models.

• High-quality materials and superior construction for serious power and reliability
  • Pure alumina silicate ceramic insulator provides high strength and better heat transfer
  • Deep-seated copper core for a wider heat range
  • Nickel alloy tip for longer life
  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Choosing the right high-quality plugs prevents fouling from running too cool and preignition from running too hot
• NGK plugs available for almost every application and riding style

Higher pressure in the cooling system, raises the coolant boiling point and increases protection from coolant loss due to overheating.

23 PSI - 1.6 Bar.

7.48mm diameter - Includes three valve shims of each size from 1.20 to 3.50mm in .05mm increments.

141 shims in total. 0.57 cents per shim! Does your local dealer have the shims you need?