R302 Block is a 4 bolt main. Price is about $1700.00 and it still needs machining. I would go with the new Dart block if I had to do it over again, it comes already machined, and can be bored .125 over. Price is very similar.
Ron
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65 Mustang Fastback
347 Stroker, C4 with 4.56
10.68 @ 122 N/A
9.74 @ 137 w/ N2O
www.fastspecialties.com
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