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Home >> Jeep >> 2020 >> Grand Cherokee Laredo, AWD, Automatic T/Case Control >> Repair and Diagnosis >> External Pages >> Different car >> Section 349 (5.7L Engine (Service Information)) >> Technical Specifications >> Engine Specifications >> Piston Rings

Piston Rings

WARNING: This page is about a different car, the 2019 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
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.