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HP Copper Spark Plug

14mm Thread - .375 in Reach - Gasket (flat) Seat - Racing Applications - 4 Pack

PART# 0137-4

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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:

  • U-Groove designed for spark delivery
  • Copper core utilized for maximum spark

Specs

BrandACCEL
Emission Code1
GAP.035"
Heat Range7
Hex Size13/16"
LengthStandard
Product TypeSpark Plug
Projected TipYes
Qty4
Reach.375"
ResistorNo
Seat TypeGasket (Flat)
StyleCopper Core
Thread Size14mm
Weight5.0000
Part Number0137-4

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

Applications

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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.