GM 350 cast iron Bowtie competition race block. Part No 24502503. 3.980 finished bore, 4.155 max bore, 4 bolt sae 8620 steel mains, 20 deg splayed caps, 9.025 deck height, oversized oil galleries for dry sump and tapped for pipe plugs, sonic data sheet. This block only is still in the crate.
$2,000. Steve 707 795-8002 located in northern California