E3.72 Spark Plug

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ITEM # : E3.72
Automotive plug that fits in a variety of domestic applications.




E3.72 is an 18mm, 0.430” reach plug with a taper seat. It primarily fits Ford applications from the 50's to 90’s. E3 automotive plugs have three legs securing the DiamondFIRE electrode to the shell. This allows for excellent heat transfer, and helps to create more turbulence in the cylinder. The patented DiamondFIRE side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use. The unique ground electrode and full-size center electrode also provides optimal performance for a guaranteed five years or 100,000 miles.

Part Number: E3.72

Resistor: Resistor

Hex Size: 13/16"

Thread Reach: 0.430"

Thread Diameter: 18mm

Seat: Taper

Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted

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more power, reduced emissions, improved fuel efficiency, longer life, faster starts