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Old 02-25-2020, 05:59 PM
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muscle_collector muscle_collector is offline
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Join Date: Jun 2006
Location: Tulsa
Posts: 3,814
Default SR 4 BOLT BLOCK QUESTION

going thru some of my engines and I uncovered a NOS 4 bolt 400 block and caps. I had forgot about the stamping as I bought it over 35 years ago. it has the typical SR number only on the face of the block. the date is A053 (jan 5 73) has the 400 cast in the side of the block. on the back it is stamped
9799915A ok ive seen them stamped with the ra4 number but never with an A at the end. was this for A body by some chance or does anyone actually know?

 


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