Piston Ring, Engine

Compression Ring Groove Width (Top) 1.530-1.555 mm (0.0602-0.0612 in.)
Compression Ring Groove Width (Bottom) 1.530-1.555 mm (0.0602-0.0612 in.)
Oil Ring Groove Width 4.030-4.055 mm (0.1587-0.1596 in.)
Compression Ring Width (Top) 1.460-1.490 mm (0.0575-1.0587 in.)
Compression Ring Width (Bottom) 1.460-1.490 mm (0.0575-0.0587 in.)
Oil Ring Width (Side Seal) Snug Fit
Piston Ring Service Limit (Side Clearance) 0.15 mm MAX. (0.0006 in. MAX.)
Compression Ring Gap (Top) (In Gauge) 0.25-0.50 mm (0.01-0.02 in.)
Compression Ring Gap (Bottom) (In Gauge) 0.25-0.50 mm (0.01-0.02 in.)
Oil Ring Gap (Steel Rail) (In Gauge) 0.25-1.25 mm (0.010-0.049 in.)
1st Ring Side Clearance 0.040-0.095 mm (0.0016-0.0037 in.)
2nd Ring Side Clearance 0.040-0.095 mm (0.0016-0.0037 in.)