HO Cyl Head Conversion??
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Joined: Sep 2009
Posts: 299
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From: Whittier, Ca
Year: 1989
Model: Cherokee
Engine: 4.0L
Anyone know if an 89' 4.0L Cherokee can be upgraded with a HO head?
If so, any details on how to? What's required? Will it pass Ca smog? etc...
Jason
If so, any details on how to? What's required? Will it pass Ca smog? etc...
Jason
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