Autolite Copper Spark Plug 386

Boost your engine’s performance with the Autolite Copper Spark Plug 386, designed for optimal ignition and reliability. Engineered with a solid copper core, this spark plug ensures efficient heat transfer and consistent firing, providing your vehicle with dependable starts and smooth operation.

• Superior Heat Dissipation: The copper core helps to dissipate heat effectively, reducing the risk of overheating and extending the lifespan of the spark plug.
• Enhanced Ignition Efficiency: Experience quicker starts and improved acceleration with precise ignition timing and consistent firing.
• One-Piece Terminal Post: Adds strength and durability.
• Copper-Glass Seal: Bonds insulator, terminal post, and center electrode; ensures full required voltage at spark gap with a gas-tight, leak-proof seal.
• Resistor: Reduces radio frequency interference (RFI) and minimizes electrode erosion.
• Multi-Rib Insulator: Decreases the risk of "flash-over" and enhances safety.
• Cold-Formed Steel Shell: Features precision-rolled threads for a secure fit.
• Full Copper Core Electrode: Delivers superior performance in all conditions.

Specifications

Ground Electrode Tip Material: Nickel

Resistor Type: Yes

Center Electrode Tip Material: Nickel

Pre-Gap Size: 0.6mm

Thread Diameter: 18mm

Center Electrode Core Material: Copper

Seat Type: Flat

Reach: 13mm

Hex Size: 21mm

Metal Type: Copper

Resistance: 5000 Ohms

Ground Electrode Tip Design: Tapered

Ground Configuration: Single

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