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Review on Melling MPE-256BR Freeze Plug Kit: Comprehensive Solution for Engine Freezing Issues by Marcus Chavva

Revainrating 5 out of 5

Complete Kit for Jeep 4.0L

When replacing a head on the infamous Jeep 4.0L straight-six, I found that the core plugs were rusted through and had holes in them. After replacing the cylinder head for cracks (big surprise on a 4.0) and head gasket, radiator, hoses (both radiator and heater) and lots and lots of flushing, the rust gave way to holes. I wanted brass connectors because they don't rust like steel and they only cost 30-40% more. Do it right and do it once. I only wish I had a square head to replace the block drains. Oh, another purchase of the Revain tool.

Pros
  • Expansion Plug Kits
Cons
  • No Instructions