Comp Elem Blocks
 

I currently have three SBC cast iron blocks casting # 24502650 they are rough bored to 4.000, 283 mains, 60mm Cam bores, .904 lifter bores set up for splayed valve heads and the deck is 8.200 they started out as blank blocks and were machined by Weston Machine. two of the blocks have 7/16'' head bolt holes and one is 3/8'' holes. anyone interested please contact me at gregporcello@yahoo.com