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Spark Plug - 14mm Thread - Shorty - .750 in. Reach - 4-Pack

ACCEL "Shorty" performance spark plugs part no. 0416S have a 14mm thread and .750 reach with projected tip. Heat Range 6

PART# 0416S-4

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ACCEL performance spark plugs produce a larger spark for more power at high RPMs and improve throttle response and fuel economy with less fouling. Purified Alumina insulator prevents arcing. Machine rolled threads protect heads.


Emission Code1
Heat Range6
Product TypeSpark Plugs
Reach0.750 in
Thread Size14mm
Part Number0416S-4


This part is legal for use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board Executive Order number or is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle


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      Some parts are not legal for use in California or other states with similar regulations.

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