Stitt Literature
Precious Metal Electrode Spark Plugs Brochure (pdf)
Installation Manual for Integral Compressor Engines (pdf)
"NTI", "CES", and "E" Style Spark Plug: Engine Recommendations (pdf)
Ignition Accessories (pdf)
Spark Plug Visual Analysis (pdf)
Extended-Barrel Spark Plugs Significantly Reduce The Costs of Operating Engines with Valve Cover-Mounted Ignition Coils (pdf)
Stitt Extensions Significantly Reduce the Costs of Operating Caterpillar & Waukesha Engines (pdf)
Plastic (PTFE) Extensions & Short Spark Plugs Are More Expensive, More Troublesome, and More Hazardous Than Stitt Extended-Barrel Spark Plugs (pdf)
P-103 / P-750 Technical Update (pdf)
Engine Performance: Benchmarking Through Spark Plug Analysis (pdf)
High Ohmic Value, Resistor Spark Plugs Suppress RFI (pdf)
Standard Torque Values (pdf)