Piston Ring, Engine
GENERAL SPECIFICATIONSPiston ring
Piston ring end gap compression (top, gauge diameters 0.100-0.250 mm (0.0039-0.0098 inch)
Piston ring end gap compression (bottom, gauge diameter) 0.27-0.42 mm (0.0106-0.0165 inch)
Piston ring end gap oil ring (steel rail, gauge diameter) 0.15-0.65 mm (0.0059-0.0255 inch)
Piston ring end gap compression (top, service limit) 0.50 mm max. (0.0196 inch)
Piston ring end gap compression (bottom, service limit) 0.65 mm max. (0.0255 inch)
Piston ring end gap oil ring (steel rail, service limit) 0.90 mm max. (0.0354 inch)
Piston ring groove width compression (top) 1.230-1.245 mm (0.0484-0.0490 inch)
Piston ring groove width compression (bottom) 1.530-1.545 mm (0.0602-0.0608 inch)
Piston ring groove width oil ring 2.530-2.555 mm (0.0996-0.1005 inch)