The rear spring shackles on the M416 are not very durable and they have a tendency to bend. There is any easy replacement that fixes this problem. I ordered replacement shackles for an early build jeep that add about 3/4″ lift as well as strengthen the build.
Original bent shackle
The replacement was an easy 20 minute job.
New shackle
New shackle installed
New shackles installed
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