Piston Ring, Engine

Piston Rings
Ring end gap
Top 0.13-0.28 mm (0.0051-0.0111 in)
Intermediate 0.25-0.40 mm (0.0098-0.0157 in)
Oil control 0.15-0.65 mm (0.0059-0.0256 in)
Ring groove width
Top 1.53-1.55 mm (0.0602-0.061 in)
Intermediate 1.52-1.54 mm (0.0598-0.0606 in)
Oil control 3.030-3.050 mm (0.1193-0.1201 in)
Ring width 1.49-1.46 mm (0.0587-0.0575 in)
Ring-to-groove clearance
Top 0.030-0.050 mm (0.0012-0.0020 in)
Intermediate 0.030-0.080 mm (0.0012-0.0031 in)