Skip to content
High-Performance Racing Spark Plug
The Autolite Spark Plug AR12 is engineered for racing applications, featuring a non-resistor design and a yttrium-enhanced alloy construction. This spark plug is built to deliver superior ignitability and performance, making it a reliable choice for automotive enthusiasts and professional drivers alike.
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: AR12
- Resistor: No
- Electrode Type: OEM
- Electrode Core Material: Copper
- Electrode Tip Material: Chromium nickel alloy
- Insulator Type: Projected
- Thread Size (IN): 0.551 Inch
- Quantity: Single
- Reach: 0.460 Inch
- Seat Type: Tapered
- 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.
