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

Features:

• 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

Each order is a complete set of plugs for your engine.

Warranty: Limited

Fitment: JK 2007-11 3.8L/TJ 2005-06 4.0