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HP Copper Spark Plug

Ford 2004-Early 2008 Ford 3-Valve 4.6L,5.4L & 6.8L Modular Engines - One Step Colder than Stock - One Piece Design - 8 Pack of 346C1

PART# 8160C1

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$108.95   Suggested Retail
$88.24   Holleydays Price
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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.

Features:

  • One Piece Design - Won't break off in head during removal like two piece designs
  • The Copper core is a better conductor than Iridium or Platinum plugs
  • Copper dissipates heat much better than other materials
  • "C" - Cut Design un-shrouds the spark kernel for a better burn
  • Unlike Iridium or Platinum plugs, the ACCEL HP plugs are gapable
  • Machine rolled threads for precise thread engagement
  • One step colder than stock

Specs

BrandACCEL
Emission Code1
GAPn/a
Heat Range1 Step Colder
Hex Size9/16"
LengthStandard
Product TypeSpark Plug
Projected TipNo
Qty8
Reach.8125"
ResistorYes
Seat TypeTapered
StyleCopper Core
Thread Pitch1.25mm
Thread Size16mm
Torque Specification20-25 lb.ft
Part Number8160C1

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.

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