455 Olds, full roller, built by Valley Performance in Ionia, Mi. This is a turn key engine that has been test run at our shop, we do have a video of it running upon request for serious buyers. The parts list is long of only too shelve parts, Starting with a seasoned .040 over block, N 454 crankshaft, Icon forged pistons, Molnar H-beam rods, Moroso 7qt pan and pick up, Melling oil pump, Edelbrock RPM heads, Harland sharp rockers, Comp cams #42-433-11 .515/.533 lift 236/242 at .050, rpm range is 2200-6000, Morel hydraulic short travel lifters, Bill Travato roller timing set with cam button, sfi dampner, iffy dual quad with 2 carter AFB carbs, electronic ready to run distributor with MSD wires, also includes flex plate, water pump and Power master mini starter. All parts are new, the block and heads were fully machined to very high standards and Valley Perf. Fully balance and blueprinted with build sheet.