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Ronald Duguay photo
Iran, Tehran
1 Level
769 Review
46 Karma

Review on GM Genuine 12557840 Harmonic Balancer by Ronald Duguay

Revainrating 5 out of 5

Really needs to be replaced when removed.

Replace screw with torque. I definitely don't want to have a broken bolt in my crankshaft. Just think you can prevent this for a few bucks :-).

Pros
  • Secures vehicle components together
Cons
  • Retrofittable