13:1 Compression Stock Stroke 400??

Is there anyway to get a stock stroke 3.375" mopar 400 big block into the 12:1 to 13:1 compression ratio using 75 cc heads? I looked into the KB240 pistons but even with a 75 cc cylinder head ratio will only be at 10:1 compression?

Maybe there is a combo available using the longer 6.965 hemi rods?

that rod length dont ring any bells !!