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Piston Rings

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DESCRIPTION SPECIFICATION
Metric Standard
Ring Gap
Top Compression Ring 0.40 - 0.55 mm 0.015 - 0.021 in.
Second Compression Ring 0.24 - 0.51 mm 0.009 - 0.020 in.
Oil Control Rails 0.15 - 0.66 mm 0.0059 - 0.0259 in.
Side Clearance
Top Compression Ring 0.04 - 0.09 mm 0.001 - 0.0035 in.
Second Compression Ring 0.04 -.08 mm 0.001 - 0.0031 in.
Oil Control Rails 0.06 - 0.21 mm 0.002 - 0.008 in.
Ring Width
Top Compression Ring 1.17 - 1.19 mm 0.0460 - 0.0468 in.
Second Compression Ring 1.17 - 1.19 mm 0.0460 - 0.0468 in.
Oil Control Rails 0.387 - 0.413 mm 0.015 - 0.016 in.