jimoshel Posted December 25, 2009 Share Posted December 25, 2009 There's a fellow here building a 4.7 stroker has to move. He's selling everything. I can measure B&S OK but not being familiar with them I need a sure fire way to ID a HO head.Cast No, Measurement ETC. :help: Link to comment Share on other sites More sharing options...
HOrnbrod Posted December 25, 2009 Share Posted December 25, 2009 Jeep heads are identified by a casting number on top of the head above the #4 exhaust port, on the manifold side. The stock I6 cylinder head is cast iron and weighs about 60lb. The valve head diameter is 1.91" intake/1.50" exhaust. Casting numbers are as follows: Year............Casting No 1987-90......2686 1991-95......7120 1996-98......0630 1999-06......0331 More info here: http://www.jeepstrokers.com/forum/viewtopic.php?f=34&t=241&sid=0d4e5a98c3e76111ac3bc67ba88ba245 Link to comment Share on other sites More sharing options...
jimoshel Posted December 25, 2009 Author Share Posted December 25, 2009 Thanks Don, Thats what I was lookin for. Jim :waving: Link to comment Share on other sites More sharing options...
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