Elevate your vehicle’s racing performance with the NGK Racing Spark Plug 7173. Specifically engineered for high-stakes racing events, these plugs offer a robust nickel alloy center electrode with a V-groove to provide explosive ignitability. Trusted by racing champions globally, NGK spark plugs become the lifeline of your ignition system, ensuring you cross the finish line with confidence. Experience optimal heat dissipation and unparalleled conductivity due to its 98% pure copper core, combined with a high-grade alumina silicate ceramic insulator that supports enduring dielectric strength.Perfect for professionals and racing enthusiasts, the NGK 7173 guarantees superior anti-corrosion and anti-seizing properties thanks to its trivalent metal plating. With cold-rolled threads to minimize risk of cross-threading, installation becomes seamless. Choose NGK for a thrilling, consistent performance that accompanies victory in every racing venue. Keep your ignition system at peak performance and be ahead of the competition.

• High-grade nickel alloy for racing durability
• Pure copper core enhances heat dissipation
• Trivalent plating for effective anti-corrosion
• Cold-rolled threads prevent cross-threading
• OE ceramic technology improves insulation
• Specially designed for extreme racing conditions

Center Electrode Core Material:	Copper
Center Electrode Tip Material:	Nickel
Electrical Terminal Type:	Non-Removable Nut
Ground Configuration:	Standard
Hex Size:	5/8
Insulator Height:	50.50
Pre-Gap Size:	.032
Reach:	.75
Stock Number:	7173
Thread Diameter:	14.00

• ACDelco: 440XLS
• DENSO Auto Parts: W24EP-U
• Bosch: W3D
• NGK Spark Plugs USA - Spark Plugs and Glow Plugs: 7173
• ACDelco: 438XLS
• DENSO Auto Parts: 4028