Piston Ring, Engine

PISTON RINGS
Ring Gap
Top Compression Ring 0.25 - 0.51 mm (0.0098 - 0.020 inch)
Wear Limit 0.8 mm (0.031 inch)
2nd Compression Ring 0.23 - 0.48 mm (0.009 - 0.018 inch)
Wear Limit 0.8 mm (0.031 inch)
Oil Control Steel Rails 0.25 - 0.64 mm (0.0098 - 0.025 inch)
Wear Limit 1.00 mm (0.039 inch)
Compression Rings 0.030 - 0.080 mm (0.0011 - 0.0031 inch)
Wear Limit 0.10 mm (0.004 inch)
Ring Side Clearance - Oil Ring Pack 0.012 - 0.178 mm (0.0004 - 0.0070 inch)
Ring Width - Compression Rings 1.47 - 1.50 mm (0.057 - 0.059 inch)
Ring Width - Oil Ring Pack 2.72 - 2.88 mm (0.107 - 0.1133 inch)