1971 340 Factory Rods and Pistons STD. Bore

all i know guys is these came out of a 71 block i donot remeber the exact date but i know it was 6 or june of 1971, but the block was painted blue, and i know that i had to run 93 octane in it otherwise it would ping, and that was with factory J heads, when i took it apart it was untouched original, so if you are still interested in them DFX 340 duster let me know