E3 Spark Plugs - E3.74 - DiamondFIRE - Automotive - Spark Plug

E3.74 1
Calculated at Checkout

Product Overview

E3 Spark Plugs - E3.74 - DiamondFIRE - Automotive - Spark Plug

E3.74 is a 14mm, 1.000" reach plug with a taper seat. It fits a wide variety of late model applications, especially Ford applications.  E3 Spark Plug 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 of 100,000 miles.

  • Brand: E3 Spark Plug
  • Manufacturer's Part Number: E3.60
  • Product Type: E3 DiamondFIRE Automotive Spark Plugs
  • Fitment: Fits a Variety of Late Model Ford / GM Applications
  • Resistor: Resistor
  • Hex Size: 5/8"
  • Spark Plug Thread Reach: 1.000" 
  • Spark Plug Thread Diameter: 14mm
  • Spark Plug Seat: Taper
  • Tip / Gap: DiamondFire Fixed Gap Cannot Be Adjusted
  • Quantity: Sold Individually
  • Note: Please check the E3 Spark Plugs Manufacturer's website to find the E3 spark plug for your specific application.

WARNING: This product can expose you to chemicals, including chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm.  For more information, visit