Sierra International 18-5433, Ignition Coil

The Sierra 18-5433 Ignition Coil requires external resistor. Primary resistance of 1.550/.450 Ohms. Fits: MCM 4 Cyl., V-6 & V-8 Engines With Conventional Ignition & Some Outboard Applications. Secondary Resistance: 9,370/7,650 Ohms. For use with 18-5469 ignition coil, Hi-performance.