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Autolite AR2593 Spark Plug
Overview of Autolite AR2593 Spark Plug
The Autolite AR2593 spark plug is engineered for drivers seeking reliable ignition performance in their vehicles. Designed with a tapered ground electrode tip and copper core center electrode, this spark plug supports efficient combustion and consistent engine operation.
- Tapered ground electrode tip design for precise spark delivery
- Copper core center electrode with nickel tip for durability and conductivity
- Single nickel ground electrode for stable ignition
- Flat seat type with 14.0 mm thread diameter and 0.750 inch reach
- Pre-gapped at 0.025 inches (0.60 mm) for optimal spark gap
- Stud type electrical terminal for secure connection
- Ceramic insulator material for heat resistance
- Hex size 13/16 inch (21 mm) for standard installation tools
- Non-resistor design suitable for high performance applications
High Performance Racing Non-Resistor Spark Plug Line
The Autolite High Performance Racing Non-Resistor Spark Plug line, including the AR2593, is tailored for racing and performance vehicles that require a direct spark without resistor interference. This line focuses on delivering consistent spark energy and durability under demanding conditions, making it suitable for engines where resistor plugs are not recommended.
Technical Details and Benefits
The AR2593 spark plug features a copper core center electrode with a nickel tip, which enhances electrical conductivity and heat dissipation. The tapered ground electrode tip design improves spark exposure to the combustion chamber, promoting efficient ignition. With a flat seat and a 0.750 inch reach, this plug fits applications requiring precise thread engagement and sealing. The ceramic insulator withstands high temperatures, ensuring stable performance during extended operation. The stud-type electrical terminal provides a secure connection to ignition wires, reducing the risk of misfires.
Applications and Problem Solving
- Compatible with performance and racing vehicles requiring non-resistor spark plugs
- Addresses issues such as misfires caused by electrode wear or poor spark exposure
- Helps reduce fouling in high-compression engines
- Improves throttle response and combustion efficiency
- Suitable for vehicles needing a 14.0 mm thread diameter and 0.750 inch reach spark plug
Installation Notes and Tips
- Verify compatibility with your vehicle’s make and model before installation
- Use a 13/16 inch (21 mm) spark plug socket for proper torque application
- Check and adjust the spark plug gap to 0.025 inches (0.60 mm) if necessary
- Apply anti-seize compound on threads to prevent galling during installation
- Torque to manufacturer specifications to ensure proper sealing and performance
Quality Assurance and Warranty
Autolite spark plugs, including the AR2593, are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Autolite products typically come with a limited warranty against manufacturing defects. For exact warranty information, consult the product documentation or Autolite customer support.
| Brand | Autolite |
| Part Number | AR2593 |
| Position | High Performance Racing Non-Resistor Spark Plug |
| Center Electrode Core Material | Copper |
| Center Electrode Design | Standard / Regular |
| Center Electrode Tip Material | Nickel |
| Electrical Terminal Type | Stud |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Tapered |
| Ground Electrode Tip Material | Nickel |
| Hex Size | 13/16" |
| Hex Size | 21 |
| Insulator Material | Ceramic |
| Pre-Gap Size | 0.025 |
| Pre-Gap Size | 0.60 |
| Reach | 0.750 |
| Reach | 19.5 |
| Resistor Type | No |
| Seat Type | Flat |
| Thread Diameter | 14.0 |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
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* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.