NGK 93400 R7448A-8 Racing Plug

NGK Racing Series plugs are engineered to withstand the harshest engine conditions. Special insulator nose configurations improve throttle response. Corrugated ribs prevent flashover. Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer. Copper core aids in heat removal. Triple seals prevent leakage. Recommended for Coyote engines over 1000 Horsepower

Shell
Thread Diameter 14mm
Thread Pitch 1.25mm
Seat Type Tapered
Reach 25mm (1")
Hex Size 5/8" (16mm)
Terminal Type Solid
Overall Height ISO
Gap .030" (0.75mm)
Center Electrode
Material Nickel
Type Standard
Size 2.5mm
Projection Projected
Ground Electrode
Material Nickel
Type Standard
Shape Trapezoid

Specifications
Resistor Yes
Resistor Value 5k Ohm
Heat Range 8
Torque Specs   Cast Iron: 10.8-18 lb. ft.   Aluminum: 7.2-14.5 lb. ft.