stock LS bottom with 39,000 miles and rebuilt B16a head, come with new guides and seals and valve job,hot tanked with new cam seals and gaskets. new head gasket and ARP head studs. have paper work for motor and have before and after leakdown #'s and pics upon request. this is just a long block. selling for $2000.00 or 1700.00 with a b16a head core exchange. prefer local buyer to sf/bay area.