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jimTN · 08-31-2017, 04:51 PM

I have a C91A 6050 and C91A 6049 set of alum. heads. The appear to be the real thing, not USA made racing HC heads. Are the Canadian heads higher compression or 6.5 to 1.

08-31-2017, 04:51 PM	#1
jimTN Senior Member Join Date: May 2010 Location: Powell, TN Posts: 2,509	C91A6050 Canadian heads I have a C91A 6050 and C91A 6049 set of alum. heads. The appear to be the real thing, not USA made racing HC heads. Are the Canadian heads higher compression or 6.5 to 1.