Aircraft magneto SIM4 series

4-Cylinder Impulse Coupled Mag Replacement The vast majority of 4-Cylinder applications will replace the impulse coupled magneto. 3.6 lbs. PRODUCTS $1,250 4-Cylinder Impulse Coupled Mag Replacement The vast majority of 4-Cylinder applications will replace the impulse coupled magneto. 3.6 lbs. SIM4P 4-Cylinder Non-Impulse Mag Replacement Replaces 4-cylinder non-impulse coupled magnetos on Lycoming & Continental engines. 3.4 lbs.