Thread Size ▲ M14*1.25
Reach ▲ 19 mm
Hex Size ▲ 16 mm
Resistor ▲ Yes
Center Electrode Material ▲ Platinum
Ground Electrode Material ▲ Platinum
12122158252 FR7KPP332 XP5224 14FR-7LPUX02 Z301 0242235776 F7KPP332U 1401 DR15YP-1 OE146
Does spark plug increase performance?
Changing the spark gambling slots is a way of assuring top efficiency and performance. The misfires that may occur will increase exhaust emission as well as harm gas mileage. ... This there may be lifelong spark gambling slots in the car, but problem still can happen that may result in spark gambling slots becoming increasing more defective.