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Review on Upgrade Your Ride: SCITOO TK4090 Timing Chain Kit for Ford Explorer, Mazda B4000 & Mercury Mountaineer by George Robinson

Revainrating 5 out of 5

So far so good for spare parts

After lots of research on 4.0 I couldn't find a Motorcraft timing kit so I decided to try this one. Everything looked high quality and fit like the original equipment manufacturer. I replaced the TTY bolts and primed the oil system before starting and it worked fine with no rattling when starting. Will update if anything changes, but so far so good.

Pros
  • Automotive
Cons
  • I have no negative feelings about it, everything is fine