This listing is for a Complete Set of Main and Rod Bearings compatible replacements for 1993-2010 Ford Modular WINDSOR 4.6L Vin Codes's "6" "W" "X" and 5.4L engines VIN "M" "L" " Z" "3" 16 Valve engines TRITONS and "5" "V" "A" "R" 32 Valve engines. VIN refers to the 8th character in the vehicles ID in Dash. Main bearings are straight shell bearings with a 3 piece thrust washer set that fits position number 5. NOTE: The mains in this kit will not work for a Aluminum block engines. IF OVER SIZES ARE NEEDED, PLEASE CALL or MESSAGE US WITH THE BEARING SIZES YOU NEED TO VERIFY AVAILABILITY BEFORE ORDERING, OTHERWISE YOUR KIT WILL SHIP WITH ALL STANDARD SIZES.