Great used set of Chevy Big Block 4-Bolt Main Caps and bolts. This is for the 2 piece rear main seal. These are in very good condition with no cracks or repairs. These have never bin cut or worked on before. These have bin cleaned magnifuxed (Checked for cracks) and are ready to use. There is a small chip by the pan seal as seen in last 2 pictures. This will not effect use or performance. Please see all pictures for condition, style, fitment and what is included. Please do your research to see if this is the ones you need. Return shipping is buyers responsibility. Shipping is $18 in the 48.