The E3 automotive plug has a DiamondFIRE electrode fixed to the shell for superior heat transfer and allows for more rotation in the cylinder. Patented DiamondFIRE sidewires are proven to increase power, reduce fuel consumption, and improve hydrogen emissions over long-term use. Unique ground electrode and full-size center electrode also provide optimal performance. 16 year or 100,000 mile warranty

E3 Spark Plug E3.42 Compatible models: Avanti, Buick, Cadillac, Chevrolet, DeTomaso, Dodge, Ford, GMC, Jeep, Lincoln, Mercury, Oldsmobile, Pontiac. (See suitability). The E3.42 is a 14mm, 0.45" reach plug with a tapered seat. Suitable for domestic use in the 80's and early 90's and widely stocked at auto retailers. The E3 automotive plug has three legs that secure the DiamondFIRE electrode to the shell. This allows for excellent heat transfer and increases turbulence within the cylinder. Patented DiamondFIRE sidewires are proven to increase power, reduce fuel consumption, and improve hydrocarbon emissions over long-term use. Proprietary ground electrode and full-size center electrode provide optimal performance with a 5-year or 100,000-mile warranty. Specifications Part Number: E3.42 Resistor: Resistor Hex Size: 5/8" Thread Reach: 0.45" Thread Diameter: 14mm Seat: Tapered Tip/Gap: DiamondFIRE Fixed Gap Not Adjustable


Manufacturer: ‎E3 Spark Plugs
Brand: ‎E3 Spark Plugs
Packing size: ‎13 x 11.71 x 5.41 cm; 349 g
Manufacturer reference: ‎E3.42-x8
Product weight: ‎349g