Goodson Valve Concentricity Gauge - Engine Builder Magazine

Goodson Valve Concentricity Gauge

When it comes to building an engine, it's essential that everything lines up correctly. In terms of valves and seats and guides, that means concentricity. 

Measuring concentricity requires quality tooling and Goodson offers a Valve Concentricity Gauge that makes it easy. This gauge is accurate to .001″ and features a positive stop — set it once and do an entire set of valves.

It is recommended that the valve concentricity gauge should be used before grinding to eliminate needless cleaning and machine time and again after valve refacing to ensure the stem is still concentric. You can also use this gauge to check pilots and other small parts.

Order No. VCG-16, Valve Concentricity Gauge $289.99

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