MSD Ignition 8636 ignition crank trigger kit for the 1971 Chrysler Town & Country V8 6.3L, the 1971-1977 Town & Country V8 7.2L, the 1972 Town & Country V8 6.6L, the 1975-1977 Town & Country V8 6.6L and other vehicles uses four magnets in an aluminum wheel to time the ignition. Most crank triggers use steel studs that pass a magnetic pick-up, which bolts, debris or vibration can trigger falsely. This kit uses a stationary non-magnetic pick-up that cannot be falsely triggered.
A failing crank trigger can show up as a hard start, a misfire or erratic ignition timing. These signs alone do not prove the trigger is at fault, since a weak coil or a tired ignition box can produce them too.
Besides the Town & Country, this big block Chrysler crank trigger kit suits the 1971 Chrysler 300 V8 7.2L and the 1971-1978 Chrysler New Yorker V8 7.2L. If your car is not one of those, look it up in the “Vehicles it fits” section on this page.
Fit and size
Build and materials
One crank trigger kit with the magnet trigger wheel, a two-piece pick-up mounting bracket, spacers and mounting hardware. This listing holds one kit, and each vehicle takes one.
Is the MSD 8636 crank trigger kit right for the 1971 Chrysler 300 V8 7.2L?
Yes. MSD Ignition 8636 is listed for the 1971 Chrysler 300 V8 7.2L. Owners of other cars can find their year, model and engine in the "Vehicles it fits" section.
Does this crank trigger kit work with MSD 7 Series ignitions?
Yes. MSD Ignition 8636 triggers MSD 6, 7 and 8 Series Ignitions and all MSD Timing Accessories.
What balancer size does this crank trigger kit suit?
This kit is listed for a 7.25 in. diameter balancer. Its trigger wheel is 3/8 in. wide.
Can the pick-up bracket go on either side of the engine?
In most cases yes: the two-piece bracket mounts on either the passenger side or the driver side of the engine.
Does the MSD 8636 crank trigger kit include spacers and mounting hardware?
Yes. It comes with a two-piece pick-up bracket, spacers and mounting hardware. The spacers suit engines with standard motor mounts or a .25 in. motor plate.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
