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Home >> Jeep >> 2004 >> TJ (CANADA) L6-4.0L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> System Specifications >> Piston Ring Specifications
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Piston Ring Specifications

Ring Gap Clearance Top Compression Ring 0.0090 to 0.0240
2nd Compression Ring 0.0190 to 0.0380
Oil Control Steel Rails 0.010 to 0.060
Ring Side Clearance Compression Rings 0.0017 to 0.0033
Oil Control Rings 0.0024 to 0.0083
Piston Ring Groove Height Compression Rings 0.0602 to 0.0612
Oil Control Ring 0.1589 to 0.1598
Piston Ring Groove Diameter No.1 Compression Ring 3.48 to 3.49 inch
No.2 Compression Ring 3.45 to 3.46 inch
Oil Control Ring 3.53 to 3.54 inch