Piston Ring, Engine

Piston Ring Groove Width
Compression Ring Groove Width (Top) 1.5545-1.5291 mm (0.061-0.060 in.)
Compression Ring Groove Width (Bottom) 1.5545-1.5291 mm (0.061-0.060 in.)
Oil Ring Groove Width 4.056-4.031 mm (0.1596-0.1587 in.)
Piston Rings
Compression Ring Width (Top) 1.46-1.490 mm (0.058-0.059 in.)
Compression Ring Width (Bottom) 1.46-1.490 mm (0.058-0.059 in.)
Compression Ring Side Clearance (Top) 0.041-0.084 mm (0.0016-0.0033 in.)
Compression Ring Side Clearance (Bottom) 0.041-0.084 mm (0.0016-0.0033 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) 0.38-1.24 mm (0.015-0.049 in.)