How To Upgrade Jeep Wrangler to 4.0L H.O. Engine Motor

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Uploaded by on May 11, 2010

Does your Wrangler need more power. Upgrade to a 4.0L H.O.
Looking for good used engines? Visit www.jeeprecyclers.com for thousands of good used jeep wrangler rubicon parts or call Cody at 503 757 2266

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  • they're both technically 4.0 H0 and started coming out like in 91. I have one. then they upgraded a few things like you show. the older ones came with a metal valve cover.

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