Optima V6-2.7L VIN 4 (2007)
Piston: Specifications
Piston
Piston outer diameter
Specifications ................................................................................................................................................ 86.67 - 86.70 mm (3.4122 - 3.4134 in.)
Piston to cylinder clearance
Specifications .................................................................................................................................................... 0.02 - 0.04 mm (0.0008 - 0.0020 in.)
Ring groove width
No. 1 ring groove
Specifications .................................................................................................................................................... 1.23 - 1.25 mm (0.0484 - 0.0492 in.)
No. 2 ring groove
Specifications .................................................................................................................................................... 1.22 - 1.24 mm (0.0480 - 0.0488 in.)
Oil ring groove
Specifications .................................................................................................................................................... 2.01 - 2.03 mm (0.0791 - 0.0799 in.)
Piston O.S.
Specifications ............................................................................................................................................................................ 0.25 mm (0.0098 in.)
Specifications ............................................................................................................................................................................ 0.50 mm (0.0197 in.)
