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$6.39
NGK N4177 TR6 Spark Plug, 602 & 604 Crate Engine, LS1, LS Truck
NGK N4177 TR6 Spark Plug, 602 & 604 Crate Engine, LS1, LS Truck

NGK N4177 TR6 Spark Plug, 602 & 604 Crate Engine, LS1, LS Truck

602 GM Chevy Crate Engine, Tapered Spark Plug Seat Style, 0.69" Spark Plug Reach, Resistor

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NGK N4177 TR6 Spark Plug, 602 & 604 Crate Engine, LS1, LS Truck
NGK N4177 TR6 Spark Plug, 602 & 604 Crate Engine, LS1, LS Truck
NGK N4177 TR6 Spark Plug, 602 & 604 Crate Engine, LS1, LS Truck
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NGK N4177 TR6 Spark Plug, 602 & 604 Crate Engine, LS1, LS Truck
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Part # 9104177
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  • Correct spark plug for GM 602, 604, and CT525 racing crate engines
  • Works well in 4.8, 5.3, 5.7, 6.0, and 6.2 liter LS Gen III and Gen IV engines for higher horsepower and boosted street engines
  • Features a 14mm thread and .690" reach with a 5/8" hex head
  • Tip is made out of a nickel alloy material and has heat range of 6
  • Core is made out of copper and projected insulator

Details

Spark Plug Seat Style:
Tapered
Spark Plug Reach:
0.69"
Thread Pitch:
14mm
Insulator Type:
Projected
Resistor:
Yes
Spark Plug Heat Range:
6
Core Material:
Copper
Tip Material:
Nickel Alloy
MFG. Part #:
4177
Wrench Size:
5/8"
Sold in Quantity:
Each
Notes:
TR6
GTIN Code:
087295141779

Info

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

  • NGK spark plug for 602 crate engine
  • Cool heat range

Important Messages

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

Reviews

Q & A

Videos & Articles
  • Learn how to install spark plug wire ends. Our step by step guide takes you through terminal end and boot installation with the use of a wire stripper tool.
  • In preparation to transplant a 430hp 383 stroker into Project Chevelle, Zach R. made up a set of plug wires for the car. To keep it nice and tidy they needed to be routed just right, be the perfect length and not distract from the engine!
  • Jeff demonstrates how to install the front runner drive system by Vintage Air in his 1967 Chevelle project car all while maintaining a simple, factory fresh look.

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