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Chuck Sea/Tac · 03-18-2018, 08:39 PM

I don’t think anyone sells the 509 G anymore, as it only fits an A. The venders seem to sell the 573, which is for a B with the steam holes. So it will work on either a B or an A. That’s the one recommended for the high compression head.

03-18-2018, 08:39 PM	#28
Chuck Sea/Tac Senior Member Join Date: May 2010 Location: Between Seattle & Tacoma Posts: 2,411	Re: Head Gasket I don’t think anyone sells the 509 G anymore, as it only fits an A. The venders seem to sell the 573, which is for a B with the steam holes. So it will work on either a B or an A. That’s the one recommended for the high compression head.