Mountaineer 2WD V6-4.0L VIN K (2007)
Piston Ring: Specifications
Piston ring end gap - top ............................................................................................................................................... 0.200-0.450 mm (0.008-0.018 inch)
Piston ring end gap - bottom ............................................................................................................................................. 0.40-0.60 mm (0.016-0.024 inch)
Piston ring groove width - top ....................................................................................................................................... 1.23-1.25 mm (0.0484-0.0492 inch)
Piston ring groove width - bottom ................................................................................................................................. 1.52-1.54 mm (0.0598-0.0606 inch)
Piston ring groove width - oil ring ................................................................................................................................ 3.01-3.03 mm (0.1185-0.1193 inch)
Piston ring width - top ............................................................................................................................................... 1.175-1.190 mm (0.0463-0.0469 inch)
Piston ring width - bottom ......................................................................................................................................... 1.475-1.490 mm (0.0581-0.0587 inch)
Piston ring-to-groove clearance - top ........................................................................................................................ 0.040-0.075 mm (0.0016-0.0030 inch)
Piston ring-to-groove clearance - bottom .................................................................................................................. 0.030-0.065 mm (0.0012-0.0026 inch)
