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WestCoast · 04-05-2017, 08:48 PM

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52 and 53 b2and 3 heads have the higest compression, 7.2, the ret have 6.8, 52 53 merc heads run 7.2. , 1cm heads 6.8

04-05-2017, 08:48 PM	#6
WestCoast Senior Member Join Date: Sep 2014 Location: oroville calif Posts: 893	Re: heads Sponsored Links (Register now to hide all advertisements) 52 and 53 b2and 3 heads have the higest compression, 7.2, the ret have 6.8, 52 53 merc heads run 7.2. , 1cm heads 6.8