Performance Tool W163C HEI Spark Plug Gauge (8 Sizes)

• For use with newer autos with high energy engines
• 8 Durable round wire Blades
• Decimal and Metric sizes

Performance Tool W163C HEI Spark Plug Gauge - For use with newer autos with high energy engines. Accurately set spark plugs with electrode tool included. Sizes: 0.025" (0.635mm), 0.030" (0.762mm), 0.035" (0.889mm), 0.040" (1.01mm), 0.044" (1.11mm), 0.054" (1.37mm), 0.060" (1.52mm) and 0.080" (2.08mm).