I bought a lot of parts and this was part of it. This shortblock was rebuilt and the owner passed away, has been sitting for atleast 9 years. Specs below...
3999289 4 bolt main block dated H 16 72
3888304 427/435 HP GM pistons
7115 L88 GM Crank
Ive been told everything is STD bore. The pad doesnt appear to have been stamped.
I will be listing a fresh set of 66 dated 858 heads as well.
$2350 OBO
I will have this shortblock with me at Jefferson Swap meet coming up next week.
IMG_1644 by
Casey Kloess, on Flickr
IMG_1643 by
Casey Kloess, on Flickr
IMG_1645 by
Casey Kloess, on Flickr
IMG_1646 by
Casey Kloess, on Flickr
IMG_1648 by
Casey Kloess, on Flickr
IMG_1649 by
Casey Kloess, on Flickr