Product Summary

Tapered Spark Plug Seat Style, 0.708" Spark Plug Reach

  • For use with GM 604 racing crate motors
  • Core is made from copper with a nickel alloy tip
  • Features a 14mm thread pitch and a 5/8" wrench size
  • Has a heat range of 7 (cool) and has a reach of 0.708"
  • Specially designed to withstand severe mechanical and thermal shock

Comes as a Kit

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Key Specs

BrandNGK
Thread Pitch14mm
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Need To Know

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Details

Every NGK spark plug is designed to withstand severe mechanical and thermal shock associated with these high-revving, high-compression race crate engines.

  • Heat range:  7 (Cool)
  • 14mm thread pitch
  • For use with GM 604 racing crate motors
  • Set of 8

Application

Specifications

KEY SPECS
BrandNGK
Thread Pitch14mm
GENERAL
Spark Plug Seat StyleTapered
Spark Plug Reach0.708"
ResistorNo
Insulator TypeProjected
Spark Plug Heat Range7
Core MaterialCopper
Tip MaterialNickel Alloy
Wrench Size5/8"
Sold in QuantityKit

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Great price

5.0

4 months ago

Sdime

Townville SC

Verified

Spark plugs are great and can't beat the price.

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