The Champion Aerospace GT1-27 Spacing Gauge Handle Assembly is a specialized tool designed to simplify the installation and maintenance of aircraft spark plugs. This 9.5-inch handle assembly works in tandem with precision gap-setting tools to ensure that both new and cleaned spark plugs maintain the optimal spacing required for reliable engine performance. It is specifically engineered to fit the Champion Aerospace Model 2500A Precision Gap Setting Tool, which is the standard equipment for gapping Champion massive-electrode spark plugs. Key Specifications Length: 9.5 inches (approx. 24.1 cm).Weight: Approximately 0.26 lbs.Compatibility: Designed for use with the Champion Aerospace CT-2500A (Model 2500A) Gap Setting Tool.Application: Ideal for simultaneous adjustment of two opposite prongs without the need to remove the spacing gauge from the assembly. Can be used in conjunction with; GT-1-17L Spacing Gauge: Provides measurements for gaps between .015" and .019" (0.40–0.50 mm). GT-1-17J Spacing Gauge: Designed for a fixed .018"
