Piston Ring, Engine

PISTON RING GROOVE DIAMETER
No. 1 83.69 - 83.89 mm (3.2949 - 3.3028 inch)
No. 2 81.12 - 81.32 mm (3.1937 - 3.2016 inch)
No. 3 82.3 - 82.5 mm (3.2402 - 3.2481 inch)
PISTON RINGS
Ring Gap Top Compression Ring 0.20 - 0.36 mm (0.008 - 0.014 inch)
Ring Gap 2nd Compression Ring 0.22 - 0.49 mm (0.0087 - 0.0193 inch)
Ring Gap Oil Control (Steel Rails) 0.25 - 0.76 mm (0.010 - 0.030 inch)
RING SIDE CLEARANCE
Top and Second Compression Ring 0.040 - 0.080 mm (0.0016 - 0.0031 inch)
Oil Ring (Steel Rails) 0.038 - 0.184 mm 40.0015 - 0.0073 inch)
RING WIDTH
Top Compression Ring 1.17 - 1.19 mm (0.0461 - 0.0469 inch)
2nd Compression Ring 1.47 - 1.49 mm (0.058 - 0.0587 inch)
Oil Ring (Steel Rails) 0.445 - 0.470 mm (0.0176 - 0.0186 inch)