Ignition Crank Trigger Kit for 1996-2001 Ford Explorer & More - MSD 8640

MSD Ignition 8640 ignition crank trigger kit for the 1996-2001 Ford Explorer V8 5.0L and other vehicles uses four magnets in an aluminum wheel to trigger the ignition. A crank trigger like this one is used to stabilize ignition timing.

• MSD Flying Magnet design: four magnets secured in the trigger wheel pass a stationary pick-up
• Non-magnetic pick-up that cannot be falsely triggered
• Powerful magnets embedded in a billet aluminum trigger wheel
• Two-piece CNC-machined aluminum pick-up bracket, slotted for a wide range of timing adjustments
• Triggers MSD 6, 7 and 8 Series Ignitions and all MSD Timing Accessories

Quick facts

• Part: MSD Ignition 8640 ignition crank trigger kit
• Fits: 1996-2001 Ford Explorer V8 5.0L and other vehicles
• Condition: New

Erratic timing, misfires or a loss of power can mean a crank trigger is failing. Before you replace the kit, rule out loose pick-up connectors, damaged wiring and the ignition control first.

Fits

This crank trigger kit also fits the 1975-1989 Ford F-150 V8 5.0L and the 1981-1987 F-150 V8 5.8L, and the 1980-1989 Ford F-250 V8 5.0L and the 1981-1987 F-250 V8 5.8L. If your car is not named here, look it up by year and engine in the "Vehicles it fits" section.

Specifications

In the box

One crank trigger kit with its trigger wheel, a two-piece pick-up mounting bracket, spacers and mounting hardware. This listing is one kit, and each vehicle takes one.

Installation notes

• In most cases the bracket mounts on either the passenger side or the driver side of the engine; the SB Chrysler and SB Ford brackets mount on only one side.
• Spacers let you mount the bracket on engines with standard motor mounts or with a .25 in. motor plate.