Autolite XP5682 Iridium XP Spark Plug

The Autolite XP5682 Iridium XP spark plug is engineered with an iridium-enhanced fine-wire and a proprietary platinum ground electrode to increase durability while its tapered ground wire maximizes engine efficiency, delivering improved engine performance, fuel efficiency, acceleration, and ignitability. This premium spark plug features a 0.6mm finewire iridium center wire tip design with laser welded technology for maximum fuel efficiency.

Key Features:

• Engineered to last for up to 100,000 miles depending on engine type
• 0.039" (1.0mm) factory gap with iridium-platinum center electrode
• Proprietary platinum ground electrode provides increased durability and resistance to wear, extending the life of the plug
• High alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation while preventing flash-over
• Nickel-plated shell that is corrosion resistant for extended durability
• Built-in 4k Ohm resistor for noise suppression
• V-trimmed ground electrode and platinum protected ground wire for maximum efficiency in all ignition types including DIS systems

Technical specifications include 12mm thread diameter with 1.25mm pitch, gasket seat type, 26.5mm (1.04") reach, 9/16" (14mm) hex size, and Heat Range 4. Recommended torque specifications are 11-19 lb-ft for both cast iron and aluminum cylinder heads. Backed by a limited lifetime warranty.