F 150 Heritage 4WD Pickup V6-4.2L VIN 2 (2004)
Piston: Specifications
Piston and Connecting Rod
Piston diameter - coded red ....................................................................................................................... 96.795 - 96.782 mm (3.81082 - 3.81031 inch)
Piston diameter - coded blue ..................................................................................................................... 96.808 - 96.795 mm (3.81133 - 3.81082 inch)
Piston diameter - coded yellow ................................................................................................................. 96.821 - 96.808 mm (3.81184 - 3.81133 inch)
Piston-to- cylinder bore clearance (uncoated clearance) ............................................................................... 0.018 - 0.044 mm (0.00071 - 0.00173 inch)