bmx351
Mar 27th, 01, 03:14 PM
can someone help me on these heads. What size valve are they and what horsepower did it come out with
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View Full Version : 8820 heads bmx351 Mar 27th, 01, 03:14 PM can someone help me on these heads. What size valve are they and what horsepower did it come out with CORNHOLIO Mar 28th, 01, 07:58 PM Unsure you might try sniffing around mortec.com travis Mar 29th, 01, 01:49 PM How about posting the whole casting number...I have never heard of a 820 head...are you sure it isnt a 882? Or maybe a 920? ------------------ 375hp 78 Chevy truck 77 Chevy Nova 95 Chevy Lumina 3.4L and building a 78 Nova |