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Product Information

Product Details
Part No. 254
Warranty Details (2 YR REPLACEMENT IF DEFECTIVE)
Autolite Copper spark plugs are designed to provide reliable performance and meet the demands of your vehicle or application. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, ensuring consistent operation. The high nickel alloy center and ground electrodes are built for extended life, while the high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation strength. With a nickel-plated shell, these plugs resist corrosion, offering long-lasting durability. Engineered for good fuel economy, they help optimize fuel consumption, saving you money at the pump. Additionally, they deliver smooth and consistent acceleration, enhancing your overall driving experience. Designed with a standard center electrode and short projection, these spark plugs are a dependable choice for regular-grade applications. The flat seat type and nickel tip materials further contribute to their robust construction, making them a valuable addition to your vehicle's ignition system.

Product Features:
  • The copper core center electrode aids in thermal control and improves resistance to fouling.
  • Its specially engineered high nickel alloy center and ground electrode provides extended life.
  • The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
  • Good Fuel Economy: Engineered to optimize fuel consumption, helping you save on fuel costs.
  • Smooth Acceleration: Provides consistent and smooth acceleration for a better driving experience.
Specifications
Center Electrode Core Material:
Copper

Center Electrode Design:
Standard

Center Electrode Projection:
Short Projection

Center Electrode Tip Material:
Nickel

Electrical Terminal Type:
Removable Nut

Grade Type:
Regular

Ground Electrode Core Material:
Nickel

Ground Electrode Quantity:
1

Ground Electrode Tip Design:
Standard

Ground Electrode Tip Material:
Nickel

Hex Size:
3/4 in

Hex Type:
Hex

Indexed:
No

Insulator Material:
Ceramic

Manufacturer Heat Range:
9

Pre-Gap Size:
0.025 in

Reach:
0.374 in

Resistor Type:
No

Seat Type:
Flat

Skirt:
Yes

Thread Diameter:
14 mm

Washer(s) Included:
Yes
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