Re: BB Alum head ID help...3919842 casting 5-17-66 ??
Max,
GM made several "Heavy Duty" 66 427 Corvettes. which were the precurser to the 67 L-88. These were a back door item sold to racers. So if they had pre-production L-88 mtors in 66 cars they had to have produced and tested the parts for them earlier. If you are looking to sell it the most value would be for a Corvete collector with a 66 HD car. So an ad in the NCRS driveline would be the best marketing for that piece. You need to be a NCRS member to place the ad so if you have a friend that is a member have them place the ad for you.
As far as value...I can't help there.
Hope his helps, Rich
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