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NGK - TR55-2238 - $24.95
TR-5 V-GROOVE SPARK PLUGS (SET OF 8)

Advanced V-groove center electrode provides optimum performance and fuel efficiency required by today's lean-burning engines. OEM-Approved Design V-Groove Design Enhances Ignitability More Complete Combustion and Lower Emissions Racer's Choice for Performance.

 Prior to 2005 GM used .055 GAP spark plugs on all LSx motors. Starting in 2005, they switched to .040 GAP (this size) plugs to provide a better idle when things like cheap gas are encountered. Any LS2, LS3, L99, or LS7 will come from the factory with a .040 GAP

Economical performance and improved ignitability over standard NGK Spark Plugs original equipment manufacturer and racer approved.

  • Lowers ignition system voltage requirements
  • Greater ignitability and performance over conventional spark plugs
  • “Trivalent Metal Plating” has superior anti-corrosion and anti-seizing properties
  • Increased fuel economy and lower emissions
  • Highly durable against electrical and chemical wear
  • Good performance spark plug

Fits most GM LSX (LS1, LS2, LS6, etc) applications.

 

 NGK V-Power TR-5 Spark Plugs (.040 GAP) - GM LSx V8 Applications (Set of 8)
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