350 4 Bolt main---casting #3970010---69/70 Double Hump Fuelie Heads---poly locks---old school CAL PRODUCTS Finned Aluminum valve covers---Edelbrock C4B Aluminum 4v manifold---can get more pics if you need---$1000---OBO---this was a running engine when pulled---removed oil pan to confirm 4 bolt mains-----Major credit cards accepted----------Thanks!