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Piston: Specifications
PISTONSPiston Diameter 89.87 - 89.90 mm (3.538 -3.539 inch)
Piston Ring Groove Depth No. 1 3.1 mm (0.122 inch)
Piston Ring Groove Depth No. 2 3.1 mm (0.122 inch)
Piston Ring Groove Depth No. 3 3.5 mm (0.137 inch)