As the title states its a mexican block 347, Probe pistons, Crower Rods, Scat Crank, D.S.S Billet Main Support, Comp Cam 232/232 .600/.600 not sure of lobe seperation, has Comp timing chain, Melling HV oil pump, and Comp Cams hydralic lifters Selling for a friend, compression should be 10.5:1 with a 62cc head! Can email pics and any other questions i will ask him as i get them! Engine has less than 1000 miles on it since built! $1400 Obo!!!