405 Autolite Spark Plugs Spark Plug OE Replacement

Experience the excellence of ignition with the 405 Autolite Spark Plugs, designed for optimal performance in a variety of vehicles. With over a century of expertise, Autolite has been a trusted name in the automotive aftermarket, offering high-quality ignition products that meet or exceed original equipment (OE) specifications.

Key Features:

• Precision Engineering: Each spark plug is meticulously crafted for specific applications, ensuring compatibility and superior performance.
• Durability: Constructed with a full copper core electrode to enhance performance across all conditions.
• Innovative Design: Features a multi-rib insulator to minimize flash-over risks and a one-piece terminal post for added strength.
• Gas-Tight Seal: The 100% leak-proof design guarantees full required voltage at the spark gap.
• Improved Fuel Efficiency: Designed to deliver quick starts, good fuel economy, and smooth acceleration.
• Reduced Interference: Built-in resistor minimizes radio frequency interference (RFI) and electrode erosion.

Specifications:

• Reach: 3/4 Inch
• Resistor: Yes
• Electrode Type: OEM
• Core Material: Copper
• Insulator Type: Non-Projected
• Thread Size: 14 Millimeter
• Seat Type: Gasket
• Wrench Diameter: 13/16 Inch Hex

Applications:

The 405 Autolite Spark Plugs are suitable for a wide range of vehicles, including:

• 1951-1957 Alfa Romeo 1900
• 1963-1965 Chevrolet C10, C20, C30
• 1946-1953 Daimler models
• 1955-1958 Rolls-Royce Silver Cloud
• And many more!

With over 11 billion spark plugs produced, trust Autolite for quality and reliability. This product comes with a limited 2-year warranty, so you can be confident in your purchase.