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High-Performance Spark Plug for Racing Applications
The Autolite Spark Plug AR3931 is engineered for racing enthusiasts seeking superior ignition performance. This non-resistor spark plug features a yttrium-enhanced alloy construction, ensuring optimal functionality in high-demand environments. With a standard length and precise specifications, it is designed to meet the rigorous demands of both professional and amateur racing.
Features
- Cut back ground electrode for enhanced ignitability
- Anti-corrosive nickel plating for durability
- Large ground electrode for improved heat transfer
- Preferred choice among many professional car drivers
Specifications
- Manufacturer: Autolite Spark Plugs
- Manufacturer Part Number: AR3931
- Resistor: No
- Electrode Type: OEM
- Electrode Core Material: Copper
- Electrode Tip Material: Chromium nickel alloy
- Insulator Type: Non-projected
- Thread Size (IN): 0.551 Inch
- Quantity: Single
- Reach: 3/4 Inch
- Seat Type: Gasket
- Wrench Diameter: 5/8 Inch
Shipping & Returns
- This product ships to the US and Canada.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition.
