What is the difference between the Jeep 4.0 and 4.0 HO?

  • Thread starter Thread starter Joshua
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Joshua

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I have a 1999 Jeep Cherokee sport with the 4.0, and I have seen other Jeeps marked with the 4.0 High Output on them. What is the difference between the two? I know High Output means more power, but what parts on the HO give it more power? I looked at the two motors and they seem to look the exact same. Thanks
 
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