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Location:  Tamworth 
Registered: August 2004
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		Re: 18rg head on 22r block
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		Tue, 23 August 2005 09:44 
		 
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	There different spec twin cam heads. 
 
There is many different casting numbers 
 
Castings numbers in order from best to worst, in my opinion 
 
88270 
88253 
88250 
these are the best 3 to use. 
 
There are many more earlier versions. If u want to use stock cams use the cams from an 88210 or 88230. 
 
All of them ca be used on the 18r block.
	
	
	
	
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