NGK V-Power TR-5 Spark Plugs (.040 GAP) – GM LSx V8 Applications (Set of 8) – NGK-2238-8

NGK V-Power Spark Plugs -.040 GAP
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.