Piston Ring, Engine

Ring Groove Depth
No.1 4.640-4.784 mm (0.182-0.188 inch)
No.2 4.575-4.719 mm (0.180-0.185 inch)
No.2 4.097-4.236 mm (0.161-0.166 inch)
Ring Gap
Top Compression Ring 0.25-0.51 mm (0.0098-0.020 inch)
2nd Compression Ring 0.23-0.48 mm (0.0099-0.018 inch)
Oil Control (Steel Rails) 0.25-0.64 mm (0.0098-0.025)
Piston Ring Side Clearance
Top and Second Compression Rings 0.030-0.080 mm (0.0011-0.0031 inch)
Oil Ring (Pack) 0.012-0.178 mm (0.0004-0.0070 inch)
Piston Ring Width
Compression Rings 1.47-1.50 mm (0.057-0.059 inch)
Oil Ring Pack 2.72-2.88 (0.107-0.1133 inch)