Alternative spark plug for your non certified 912S (100hp) and 912IS

new version

heat absorbing head pad

the new contact strips ensure a better heat dissipation and optimal air circulation

if comparing a Trig stack with older legacy equipment

pilotstyle ps221 T-Shirts Alternative spark plug for yourPS221 is high quality headset with passive noice reduction. PS221 have passive electronics, its components are stereo cartridge with a frequency range from 20 to 17,000 Hz, electret microphone with noise canceling. Each element has its own volume control. It can also switch mono stereo. Equipped with 3,5mm contact for extern sound source. The microphone is located on the gooseneck. Ear seal and the headband is equipped for comfort with fabric