Description:
Autolite High Thread Pro plugs are an OE patented design exclusively for Ford 3V engines. Its comprehensive seal provides more durability, greater power, improved heat transfer, and a more focused ignition, ensuring your engine reaches and maintains optimal performance levels.
Features and Benefits:
- Designed with a nickel-plated shell that delivers increased protection against corrosion.
- Engineered with a fine-wire platinum design that provides more focused ignition power and longer service life.
- Its proprietary design improves performance for heat management, fouling resistance & increased dielectric strength.
- The ground strap provides improved heat transfer over standard J-gap plugs.
- The position of the thread above the cylinder head seating allows for a more compressive seal.
Specifications:
Center Electrode Core Material:
Copper
Center Electrode Design:
Fine Wire
Center Electrode Insulator Tip Projection:
0.135 in.
Center Electrode Insulator Tip Projection:
3.43 mm
Center Electrode Projection:
Extra-Long Special
Center Electrode Tip Material:
Platinum
Core Nose Length:
0.083 in.
Electrical Terminal Type:
Non-Removable Nut
Ground Electrode Quantity:
1
Ground Electrode Tip Design:
Standard
Ground Electrode Tip Material:
Nickel
Insulator Height:
2.51 in.
Insulator Height:
63.75 mm
Insulator Material:
Ceramic
Manufacturer Heat Range:
12
General Motors #:
12591131
Manufacturer Warranty:
48 Months
