Envoy 2WD L6-4.2L (2008)
Piston Ring: Specifications
Piston Rings
Piston Ring End Gap - First Compression Ring ............................................................................................................. 0.15-0.3 mm (0.0059-0.0118 in)
Piston Ring End Gap - Second Compression Ring ...................................................................................................... 0.36-0.51 mm (0.0142-0.0201 in)
Piston Ring End Gap - Oil Control Ring .................................................................................................................. 0.250-0.760 mm (0.0098-0.0299 in)
Piston Ring to Groove Clearance - First Compression Ring .................................................................................... 0.043-0.093 mm (0.0017-0.0037 in)
Piston Ring to Groove Clearance - Second Compression Ring ............................................................................... 0.043-0.093 mm (0.0017-0.0037 in)
Piston Ring to Groove Clearance - Oil Control Ring ............................................................................................... 0.059-0.215 mm (0.0023-0.0085 in)