#2238 TR5 its a NGK. copper core, platinum or V tips are not recommended for nitrous, or my aftermarket ignition
the car runs sweet with them. make sure you get good plug wires, nitrous and misses dont mix


1998 CSVT NX stage 1 ford EFI kit MSD dis-4 B&M short throw K&N short ram intake Fsvt Euro 17's Trubendz 2.5" exhaust Spec stage 3 249.9 HP 258.2 TRQ clutch slipping the whole time