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HP Copper Spark Plug

Ford 2008-2014 - 3-Valve 4.6L & 5.4L Eng - One Step Colder Than Stock - Single

PART# 354

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Overview

ACCEL HP Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high performance applications where high combustion pressures are present. Copper is much better at dissipating heat than other materials which lessens the chance of a misfire. ACCEL HP Spark Plugs are gapable allowing you to open the gap exposing a larger flame kernel or close it if needed for high boost applications. All ACCEL HP Spark Plugs have machine rolled threads allowing for a more precise thread engagement and torque retention.

Specs

BrandACCEL
Emission Code1
GAPn/a
Heat RangeStock
Hex Size9/16"
LengthStandard
Product TypeSpark Plug
Projected TipYes
Qty1
Reach1.04"
ResistorYes
Seat TypeTapered
StyleCopper Core
Thread Size12mm
Weight1.0000
Part Number354

Emissions

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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    *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.