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