Extended-Length Go - No Go Gauges

For the deep spark plug well cylinder head designs, the gauges are only easily used when they are fitted into an extended-length holder. The extended-length holders are available as a gauge set for particular engines. Please consult our recommendation charts (page 12 of the STITT Professional Spark Plug Installation Manual for Integral Compressor Engines, PSIM/8-99) for the engine that you are interested in gauging.

Thread Go-No Go Gauge Recommendations For Specific Engines

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