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• Significant potential power increase: > 6% to 12% (depending on engine class)
• Near elimination of performance inhibiting carbon deposits, dramatically longer plug life and a 5-year/100,000 mile limited warranty
• DiamondFire electrode technology that creates a superior spark and resulting flame front extending further into the cylinder, producing more localized pressure

• Revolutionary surface air gap firing technology featuring Bosch's unique four ground electrode design delivers the most powerful spark for the most efficient combustion and optimum horsepower without increasing the voltage requirement
• Factory pre-set gap allows for easy installation that never requires adjustment
• Four yttrium enhanced ground electrodes resist spark plug wear and oxidation for exceptional performance life

• The tool is double-ended to offer a straight boot and a 90 boot on one tool
• Quickly diagnose problems with all ignition systems
• Connect the tool between the spark plug and the plug wire

• You can depend on NGK for quality and reliability
• Constructed from durable material
• Features superior anti-corrosion and anti-seizing properties

• Unique and patented design works on 2004 newer Ford F-150 pickup trucks with 5.4L 3-valve Triton V-8 engines
• Socket has 3/8 inch drive for use with a ratchet or breaker bar
• Socket end is 9/16 inch