Funny I priced the Oldsmobile block from another post, Rocket Racing, $5000.

Pontiac block?
Butler Performance IAII Aluminum Block, STD Deck
Description: Aluminum, 2SR Spriniam, spec AA356, heat treated to T6 Ductile Iron Sleeve Material 4.170 to 4.350" Bore depending on sleeves 10.240" Deck Height 4 Billet Steel splayed Main Caps, registered...
Item #: ALL-BPI-ALB
Shipping is delivered to a business address. Additional charges for residential or lift gate may apply
Price: $4,795.00
They say Mopar guys are cheap. But these two "ultra popular" blocks are less money. How is that?
Doug