F 150 Heritage 2WD Pickup V8-4.6L SOHC VIN W (2004)
Piston: Specifications
Piston and Connecting Rod
Piston diameter - coded red 1 ............................................................................................................................ 90.177 - 90.197 mm (3.550 - 3.551 inch)
Piston diameter - coded blue 2 ...................................................................................................................... 90.190 - 90.210 mm (3.5507 - 3.5515 inch)
Piston diameter - coded yellow 3 .................................................................................................................... 90.203 - 90.223 mm (3.513 - 3.5521 inch)
Piston-to-cylinder bore clearance ...................................................................................................................... 0.015 - 0.031 mm (0.0006 - 0.0012 inch)