ford racing shortblock, NEW. in the original crate from Ford, part number M-6009-a-463SC, fits 2005-2010 mustang Gt Forged steel 8 bolt crank forged steel H beam rods forged aluminum 16cc dish 3 valve pistons new oil pump Uses M-6010-A56NA block, knock sensor bosses are not removed from the block Approximately 8.7:1 compression ratio when used with 50.3 cc 3 valve heads lower compression for supercharger applications built with ALL NEW PARTS will accept 3V cylinder heads 8 bolt flywheel required This is brand new ,no BS I will take 3K for the engine plus shipping I accept certified funds, pay pay plus the 3% handling fees, I will also accept personal check but I will only ship after checks clears my bank or you can pick it up in person if you have cash. I can be reached at keithspitstop@comcast.net thanks for looking