WTB Race prepped .040 over 350 block

[dirtrace09]

Looking for a .040 over race prepped sbc 350 block. If you have one, please let me know.

[LateModel B23]

http://www.competitionproducts.com/Fully-Machined-Chev-SB-Block-Chev-350-4040-Bore/productinfo/CMB350H-040/

I have been using one of these with no problems.