Autolite Copper Spark Plug Autolite 85

Autolite Copper spark plugs are designed for reliable starts and the consistent power your vehicle or equipment needs to meet performance demands.

• High Nickel Alloy Electrodes: The center and ground electrodes are made from a specially engineered high nickel alloy, providing extended life and durability.
• High Alumina Ceramic Insulator: Features a multi-rib design that offers superior insulation and thermal conductivity, enhancing strength and performance.
• Nickel-Plated Shell: The corrosion-resistant nickel-plated shell ensures increased durability, making it suitable for long-term use.
• Copper Core Center Electrode: The copper core helps with thermal control and reduces the risk of fouling, ensuring consistent performance.

Specifications

Center Electrode Design: Standard
Center Electrode Tip Material: Nickel
Ground Electrode Tip Design: Tapered
Ground Electrode Tip Material: Nickel
Hex Size (Inch): 13/16
Thread Diameter (Millimeter): 14
Reach (Inch): 0.374
Seat Type: Flat
Pre-Gap Size (Inch): 0.034
Manufacturer Heat Range: 8
Resistance (Ohm): 4000
Center Electrode Projection: Mid Projection
Terminal Type: Non-Removable Nut