AR3931 Autolite Spark Plugs Spark Plug Without Resistor

The AR3931 Autolite Spark Plugs are a testament to over a century of quality and innovation in the ignition product industry. Trusted by automotive enthusiasts and professional drivers alike, these spark plugs are crafted to deliver exceptional performance and reliability for a wide range of vehicles.

Key Features:

• Cut Back Ground Electrode: Enhances ignitability by providing a larger spark area, ensuring efficient combustion.
• Anti-Corrosive Nickel Plating: Offers superior protection against rust and corrosion, extending the lifespan of the spark plug.
• Large Ground Electrode: Designed for optimal heat transfer, it helps maintain the ideal operating temperature for consistent performance.
• Trusted by Professionals: Widely used by professional car drivers, ensuring you get a product tested under the most demanding conditions.
• Limited 90-Day Warranty: Confidence in quality with a manufacturer's warranty for peace of mind.

Specifications:

• Reach: 3/4 Inch
• Resistor: No
• Electrode Type: OEM
• Insulator Type: Non-Projected
• Thread Size: 14 Millimeter
• Seat Type: Gasket
• Wrench Diameter: 5/8 Inch Hex

Whether you drive a domestic or an imported vehicle, the AR3931 Autolite Spark Plug is engineered to enhance your vehicle's performance. With Autolite's renowned quality and precision design, it's the perfect choice for those seeking unparalleled ignition efficiency.