have a good Rover 4.2 block, Buick 300 crankshaft that has been inspected and ground to fit the block, 300 harmonic balancer, Rover 3500 rods, Rover 10 bolt heads with valves, etc. You need to furnish Ford 255 pistons. With this setup you will have a 292 CI engine capable of 300 hp. Located in SE Michigan for local pickup. Can also load on a pallet for shipping.$750.00 PM with questions. 517-410-7628