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12-WIRE IMPORT SPARK PLUG GAUGE* - Kastar

Part #: KH312A

The Kastar KH312A 12-Wire Import Spark Plug Gauge is an essential tool designed for professional automotive technicians and mechanics. This precision instrument ensures accurate spark plug gapping, which is critical for maintaining optimal engine performance and fuel efficiency in a wide range of import vehicles. Its durable construction and comprehensive wire sizes make it a reliable addition to any professional toolkit.

Key Features

  • Precise Gap Measurement: Features 12 distinct wire gauges, providing accurate measurements to meet specific manufacturer recommendations for spark plug gaps.
  • Import Vehicle Compatibility: Specifically engineered with wire sizes commonly required for various import car and truck models, ensuring proper fitment and performance.
  • Durable Construction: Manufactured from high-quality materials to withstand the rigorous demands of a professional shop environment, offering long-lasting reliability.
  • Optimized for Modern Plugs: Ideal for use with iridium, platinum, and other precious metal spark plugs, allowing for careful adjustment without damaging delicate electrodes.
  • Easy to Use: Each wire is clearly marked, enabling quick identification of the correct gap size and facilitating efficient, precise adjustments.

Applications

This 12-wire spark plug gauge is indispensable for routine engine maintenance, tune-ups, and spark plug replacement procedures on import vehicles. It allows professional technicians to precisely set spark plug gaps, which is vital for ensuring consistent ignition, preventing misfires, and optimizing combustion efficiency. Proper gapping helps to maximize horsepower, improve fuel economy, and extend the life of both spark plugs and engine components. It is a fundamental tool for any professional working on Asian or European automobiles requiring accurate spark plug gap adjustments.

Only 2 left in stock - order soon

$5.52

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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  • Model: 444764
  • Shipping Weight: 1.25lbs
  • Manufacturers Part #: KH312A
  • Manufactured by: Kastar
  • Also Known As: KH312A

This product was added to our catalog on Sunday 31 May, 2026.

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