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Home >> Subaru >> 2007 >> Outback F4-2.5L DOHC Turbo >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> Piston Ring, Engine
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Piston Ring, Engine

PISTON RING
Piston ring gap, standard
Top ring 0.20 - 0.25 mm (0.0079 - 0.0098 inch)
Second ring 0.37 - 0.52 mm (0.015 - 0.020 inch)
Oil ring rail 0.20 - 0.50 mm (0.0079 - 0.0197 inch)
Clearance between ring & ring groove
Top ring 0.040 - 0.080 mm (0.0016 - 0.0031 inch)
Second ring 0.030 - 0.070 mm ((0.0012 - 0.0028 inch)

Piston grade point H:




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