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I have had not issues with rockers fitting or working with 4 sets of LA and big block RPMs used. the valve job issues are commen, and on everyone's heads. They can be bolted on and run, but they frankly aren't that good that way...lol

For that type of defect, I'd send them back. Why wait 2 years to do it tho? Or did you just get them TB?



I bought these heads for my 97 Grand Cherokee 390 project that I will get going sometime next year... I have not really looked at them closely as they are still in the original packaging but I had to get something out of the storage area and I decided to check them out...... Overall they look pretty nice but the blot hole breakthrough looks like a no go to me..... I will call Edelbrock and send them a few pix or a link to this thread. I'm sure they will take of me being the long time customer that I am right? TBF