Re: 4.0 FITMENT

[farna@xxxxxxx]

There are several good sites on the Internet about this. Do a Google search with "Jeep 4.0L head 258" and you'll find them. You can use the old manifolds, but it takes a little work. Use the 4.0L pushrods. The hardest thing to do is block the 12 tirangular holes along the right side of the head. Simply drill them out to 3/4" and pop freeze plugs in. That's the easiest way to do it. 

On July 8, 2005 Rusty Quarterstaff wrote:

> Hi there, whats the deal with the 4.0L/4.0 HO heads and fitting them to a 199-258 block? is it a direct swap? can you use your old intake/exhaust manifolds? will the old pushrods work?  Thanks, have a nice weekdend
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