Piston Ring, Engine

Piston Ring Groove Width
Compression Ring Groove Width (Top) 2.032-2.057 mm (0.080-0.081 in.)
Compression Ring Groove Width (Bottom) 2.032-2.057 mm (0.080-0.081 in.)
Oil Ring Groove Width 4.801-4.826 mm (0.189-0.190 in.)
Piston Rings
Compression Ring Width (Top) 1.475-1.490 mm (0.056-0.059 in.)
Compression Ring Width (Bottom) 1.475-1.490 mm (0.056-0.059 in.)
Compression Ring Side Clearance (Top) 0.051-0.101 mm (0.0020-0.0040 in.)
Compression Ring Side Clearance (Bottom) 0.051-0.101 mm (0.0020-0.0040 in.)
Oil Ring Side Clearance Snug Fit
Piston Ring Side Clearance Service Limit 0.15 mm (0.006 in.) (Max)
Compression Ring Gap (Top) 0.25-0.50 mm (0.010-0.020 in.)
Compression Ring Gap (Bottom) 0.25-0.50 mm (0.010-0.020 in.)
Oil (Steel Rail) 0.25-1.25 mm (0.010-0.049 in.)