Designed for the most demanding racing conditions, the NGK 7993 Racing Spark Plug is the choice of champions worldwide. Its robust construction, featuring a conventional nickel alloy center electrode with a V-groove, ensures outstanding durability and reliable ignitability. This spark plug is specifically crafted to endure extreme heat ranges, ideal for motorsport enthusiasts who push their vehicles to the limit. The NGK 7993 Racing Spark Plug integrates OE ceramic technology with a high-grade alumina silicate ceramic insulator, offering maximum dielectric strength and performance. Solid copper core construction allows superior heat dissipation and conductivity, making it indispensable for performance-oriented tuners and racing mechanics. If you're experiencing poor ignition performance, engine misfires, or reduced power, it might be time to upgrade to these high-performance spark plugs. Installation is seamless thanks to cold-rolled threads that prevent cross-threading, complemented by trivalent metal plating to combat corrosion and seizing. Maximize your vehicular capabilities with NGK's precision-engineered solution.

• Racing-specific V-Groove Nickel Alloy Center Electrode
• Constructed for Racing Use Only; Optimal for High Stress
• High-Grade Alumina Silicate Ceramic Insulator
• Solid Copper Core for Heat Dissipation & Conductivity
• Cold-Rolled Threads to Prevent Cross-Thread Damage
• Trivalent Metal Plating Enhances Anti-Corrosion

Center Electrode Core Material:	Copper
Center Electrode Tip Material:	Nickel
Part Number:	R5724-10
Electrical Terminal Type:	Non-Removable Nut
Manufacturer Heat Range:	10
Thread Diameter:	14.00 mm
Resistance:	1.0 Ohm
Pre-Gap Size:	.020 inches
Hex Size:	5/8 inches
Insulator Height:	53.00 mm

• Autolite: 92
• Champion Spark Plug: 684
• Champion Spark Plug: S57YC
• NGK Spark Plugs USA - Spark Plugs and Glow Plugs: 7993