Pick a block

Pre Magnum 360 roller
Build intent? Everything and anything. Mild to hair raising wild.
My imaginary block. Same as above only a 340 main, with the ability for a safe 4.250 bore. Siamese cylinders please!
Build intent, same as above.

Definitely (in my little opinion) would have been an ideal La block . let's have a few cast for us I'm in.
Large LOLS'