Re: SBC Heads 993, 882, 0r 624?
993 heads were also used on the original Chevy (I understand we're not supposed to call it Chevy any more. Ya, sure) crate motor built in the late '80's. It was called the 'TARGET MASTER' engine. They were cast in Mexico (identified under the valve cover). Engine builders claim these are very sturdy heads as opposted to the other legal light weight castings (882's and 624's).
I have a virgin pair with a 1988 casting date that I found at the Charlotte Swap Meet. I'm planning on having them done and using them on my '73.
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Bobby & Norene Zlatkin L/SA
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