Resources

Tech Specs

Understanding Spark Plugs

• Understanding Multiple Ground Electrode Spark Plugs
• Spark Plug Type
• Understanding Spark Plug Sizes
• Spark Plug Tip Diagnosis
• Understanding Spark Plug Heat Ranges
• Understanding Autolite Spark Plug Numbering System
• Torque Specifications
• Heat Range Facts
• Half Thread/Full Thread Explanation
• Autolite Copper Core Spark Plug Attributes
• Understanding VIN Codes
• Autolite Double Platinum Spark Plug Attributes
• Original Equipment Platinum Spark Plug Applications
• Spark Plug Cross Reference
• Racing/High Performance Spark Plug: Heat Range Facts
• Busting the OE Spark Plug Myth

Technical Bulletins and Installation Instructions

• Spark Plug Installation and Service Suggestions
• Autolite Disclaimer of Liability
• Understanding the Magunson Moss Warranty Improvement Act
• Principal Applications & Specifications
• Passenger Cars & Light Trucks 2011 - 1996
• Passenger Cars & Light Trucks 1995 - 1960
• Recreational Vehicles - Motorcycles
• Commercial Equipment - Lift Trucks
• Small Engine - Power Equipment Engines