I would stick with either NGK or MSD wires. Magnecores may do well with the 420a, but I'm not sure. I know they are Magnewhores in 4g63 land though.
Matt1995 Eclipse GS2.0L, S16g Turbo, 8 Injectors, 26psi1998 Eclipse GSX2.3L Stroker, AEM EMS Converted to Speed Density, FP3065 Turbo, 35psi , and so on...