A very rare 1967 WZ Firebird short block the real deal casting # 9786133!If you need one for your resto buy it now or you may be looking for years,the correct block for your goat adds thousands to its retail value.This block was blasted magged baked it's cleaner than when pontiac first cast it.It was decked sq. to the mains bored .030 or .040( it may not clean up at .030) honed with plates new brass soft plugs cam bearings crank ground .010 .010 rods resized with new arp bolts that swing forged flat top or dished hyper pistons your choice with hastings rings it is internal bal. new bearings thru out a double row roller timing set turns a 068 camshaft painted the correct pontiac blue assm by a professional engine tech with attention to every detail of the build.We build engines for a living were not some guy in a basement this is all we do!!!!Buy with confidence knowing your getting what you pay for,building Pontiac power for over 25yrs The Pontiac Guys Autobohn engines 616 897 7679 4-8 weeks to assm.Many other castings in stock call with your needs.Picture is generic.Can finish to any level.built to order ANY QUESTIONS EMAIL US YOUR NUMBER as we can't have ours in listing anymore sorry