Piston Ring, Engine

Ring groove width - top 1.203-1.205 mm (0.0473-0.0474 inch)
Ring groove width - 2nd 1.17-1.19 mm (0.0.460-0.0468 inch)
Ring groove width - oil 2.501-2.503 mm (0.0984-0.0985 inch)
Width - top 1.17-1.185 mm (0.0460-0.0466 inch)
Width - 2nd 1.197-1.199 mm (0.0471-0.0472 inch)
Width - oil 2.38-2.45 mm (0.093-0.096 inch)
Ring gap (in bore) - top 0.16-0.31 mm (0.006-0.012 inch)
Ring gap (in bore) - 2nd 0.33-0.48 mm (0.012-0.018 inch)
Ring gap (in bore) - oil 0.2-0.7 mm (0.007-0.027 inch)