I thought the 2 bolt X Blocks used the same as a regular 340.
My X block has been together for a long time.
So watching here to see.
Rocket has some listed at Abodies or did a few weeks ago 4 bolt ones.

[img]https://i234.photobucket.com/albums/ee87/fast340six/sig%20pics/2840886-340SIX-1.jpg[/img]
VP of the MPM in New Orleans
73 Dart Sport 340/ 70 challenger vert. That may still get built, If I live long enough