289 block, decked/line bored, 0.030 over, Scat forged crank and H-beam rods, balanced, SRP 43cc forged pistons, Mildon pump, Moroso 8qt pan, ARP hardware. All measurements, receipts and specs available. Approximately 8 passes on motor, no issues. Currently configured with Howards mech roller cam, Merlin 320 rect heads. Price is for short block minus cam/valvetrain/heads.