Looks like 539617 or 639617
https://www.facebook.com/marketplace/item/2079300809290886/?ref=browse_tab&referral_code=marketplace_top_picks&referral_story_type=top_picks
Added by bcmiller
VIN is 124379N6396171969
Description: Camaro Z28 DZ 302 engine block block is bored 4.060 main caps are in place, bores are not rusty and have been coated in a cosmolene type coating to prevent rust, dry stored many years.
Seller Scott McGrath
$3000
Also on Lost Muscle Cars FB page.