The block alone is worth twice that amount, even if it needs to bored and/or sleeved. That 3 3/4" bore size is unique to the 261- - - -virtually all the other parts except the connecting rods and pistons will swap from a 235.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!