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HP Copper Spark Plug

Ford 2004-Early 2008 Ford 3-Valve 4.6L,5.4L & 6.8L Modular Engines - One Piece Design - Single

PART# 346

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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 Code2
GAPn/a
Heat RangeStock
Hex Size9/16"
LengthStandard
Product TypeSpark Plug
Projected TipNo
Qty1
Reach.8125"
ResistorYes
Seat TypeTapered
StyleCopper Core
Thread Size16mm
Weight1.0000
Part Number346

Emissions

2

This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it 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

Applications

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      *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

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

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