I'm getting ready to order front suspension parts and am a little confused about the control arm bushings. Moog has a standard replacement K8289 and a heavy duty K8277. Their web site only shows the K8289 as a replacement for my 1984 LTD LX, although other sites list these two bushings as interchangeable. Moog lists the dimensions for the K8277 bushings but not for the K8289 bushings. Attempting to cross reference the part numbers with other manufacturers has only added to the confusion.
Are the K8289 and K8277 bushings interchangeable?
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