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Home >> Chevrolet >> 2006 >> Impala V6-3.9L VIN 1 >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> Piston, Engine
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Piston, Engine

Piston Diameter - production 98.970 - 99.008 mm (3.896 - 3.897 inch)
Piston Diameter - service limit 98.950 mm (3.895 inch)
Piston Pin Bore Diameter 23.957 - 23.962 mm (0.943 inch)
Piston Ring Groove Width 1.22 - 1.24 mm (0.048 - 0.049 inch)
Piston to Bore Clearance - production - 0.008 - 0.048 mm (- 0.0003 - 0.0018 inch)
Piston to Bore Clearance - service limit - Maximum 0.080 mm (0.003 inch)