456 Autolite Spark Plugs Spark Plug OE Replacement

Upgrade your vehicle's performance with the 456 Autolite Spark Plugs. Designed to meet and exceed original equipment specifications, these spark plugs guarantee:

• Quick Starts: Experience reliable ignition for immediate engine response.
• Good Fuel Economy: Optimize your vehicle's fuel efficiency, saving you money at the pump.
• Smooth Acceleration: Enjoy improved throttle response and overall driving performance.

Key features of the Autolite Spark Plugs include:

• Copper-Glass Seal: This innovative design bonds the insulator, terminal post, and center electrode, ensuring full required voltage at the spark gap while providing a gas-tight seal that is 100% leak-proof.
• Multi-Rib Insulator: Reduces the risk of flash-over, enhancing the safety and reliability of your ignition system.
• One-Piece Terminal Post: Offers added strength for improved durability.
• Resistor: Minimizes radio frequency interference (RFI) and prevents electrode erosion, promoting longevity.
• Cold-Formed Steel Shell: Ensures robust construction with precision-rolled threads for a secure fit.
• Full Copper Core Electrode: Delivers better performance under a variety of conditions.

These spark plugs come with a limited 2-year warranty and are designed with specifications including:

• Reach: 3/8 Inch
• Resistor: No
• Electrode Type: OEM
• Electrode Core Material: Copper
• Insulator Type: OEM
• Thread Size: OEM
• Seat Type: Flat
• Wrench Diameter: 13/16 Inch Hex

Choose the 456 Autolite Spark Plugs for a reliable and efficient ignition solution that keeps your engine running smoothly!