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VALVE GRINDER PILOT .258 - K-Line Industries

Part #: KNKL5258S

The K-Line Industries KNKL5258S Valve Grinder Pilot is an indispensable tool engineered for professional technicians and mechanics performing precise valve grinding and seat work. This pilot is crucial for ensuring optimal alignment and concentricity during valve resurfacing, directly impacting engine performance and longevity. Built with professional-grade construction, it offers the reliability and accuracy required in demanding automotive and industrial workshop environments.

Key Features

  • Precision .258" Diameter: Specifically sized at .258" (approximately 6.55mm) to provide an exact fit within corresponding valve guides, facilitating highly accurate valve grinding operations.
  • Durable Construction: Manufactured by K-Line Industries, a company with over 60 years of experience in quality tool design and manufacturing, ensuring lasting performance and resistance to wear.
  • Stable Guiding Element: Designed to remain stationary within the valve guide bore, this pilot provides a consistent axis for grinding stones and cutting tools to rotate around, which is essential for uniform valve seat geometry.
  • Optimizes Valve Seating: Helps achieve a perfectly sealed contact surface between the valve face and valve seat, which is fundamental for restoring engine compression and efficiency.

Applications

The K-Line Industries KNKL5258S Valve Grinder Pilot is vital for engine rebuilding and maintenance across various applications. It is primarily used in automotive and industrial settings for valve guide and valve seat reconditioning. Utilizing this pilot ensures that valves are ground with precision, contributing to proper valve seating, improved engine power, enhanced fuel efficiency, and the extended lifespan of the engine. This tool is essential for any professional workshop focused on achieving superior valve train accuracy.

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This product was added to our catalog on Saturday 11 July, 2026.

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