MSD Ignition Tester Universal M59SC Threaded Can Housing Allows For

Threaded Can Housing Allows For Ease Of Serviceability

Avalanche 1 3/8" Front SwaybarVehicle Applications: 2007-2018 Chevrolet Silverado/Sierra 1500

to facilitate installation

Performer 90 Degree V6

MSD Ignition Tester Universal M59SC Threaded Can Housing Allows ForAs engine technology changes so does the need for ignition systems and a way to test them. MSD's ignition tester now has the ability to test not only traditional single coil ignition systems but also coil per cylinder applications. The 89981 tester even gives you the ability to create an RPM run and let the tester run through the RPM range. This allows you to see the ignition activate any accessories you may be running such as shifters, nitrous