This engine is rebuilt with a high nickle 4blt block and vortec heads. This is a longblock with a complete parts list on the linked page. I am a former machinest, I rebuild this stuff for a living and it was done right, with the correct torque specs, lubricants, sealers, tolerances, parts, etc..... Shipping is about $250 within the continental US. Here is the link. ....http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=33615&item=2476637674&ssPageName=STRK:MESSE:IT