nothing special, $350, sorry but its true, have casting number from headsor block?
It looks like a 70's 302 or 289 with 302 heads.stock everything down to the headbolts, best guess your friend got ripped.
__________________
" When you men get home and face an anti-war protester, look him in the eye and shake his hand.
Then, wink at his girlfriend because she knows she's dating a pussy." General Tommy Franks
"Congressmen who willfuly take actions during wartime that damage morale and undermine the military are saboteurs and should be arrested, exiled or hanged".
President Abraham Lincoln