NGK 3526 BP7EFS 604 Crate Engine Spark Plug, Cool Temp.
NGK 3526 BP7EFS 604 Crate Engine Spark Plug, Cool Temp.
NGK

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#9103526

NGK 3526 BP7EFS 604 Crate Engine Spark Plug, Cool Temp.

  • 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
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$3.69

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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
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Key Specs

MFG. Part #3526
BrandNGK
Thread Pitch14mm
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NGK 3526 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
  • Sold each

Application

NGK 3526 Specifications

KEY SPECS
MFG. Part #3526
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 QuantityEach

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NGK plugs

5.0

8 years ago

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Best plugs for my late model

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Questions & Answers

2 Questions • 2 Answers

Why do you feel a cooler heat range plug is better for the 602?

by 51racer

• 9 years ago

1 answer

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So would you recommend these plugs for a 602 Crate in a USRA B Mod with a Willys gas carb??

by Skennedy

• 10 years ago

1 answer

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