For sale is a good used left side (drivers) original exhaust manifold for a 96-99 Chevrolet GMC Vortec 5.7 350 5.0 305. The casting number is 12554974. This was removed from a 1996 Chevy Tahoe with a 350 (VIN “R”). What you see in the pictures is what you are buying and will receive. This fits many different models. I tried to list everything about this but please do your own research to make sure this is what you need before buying. Please ask any/all questions before buying. Payment must be received within 3 days, or the item will be re-listed unless other arraignments have been made in advance. Thanks for looking.