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

These ACCEL copper spark plugs have a .750" reach and 14mm thread.

PART# 0414S-4

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


Emission Code1
Product TypeSpark Plugs
Reach0.750 in
Thread Size14mm
Part Number0414S-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

    *Free Shipping & Handling only offered to the contiguous US on orders over $100.

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