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Piston Dimensions and Clearances

Production STD (J or JT) OD (1-6) 4.0498-4.0505 Inch (in)
Production STD (J or JT) OD (7-8) 4.0498-4.0505 Inch (in)
Production O.S. (S or ST) OD (1-6) 4.0554-4.0561 Inch (in)
Production O.S. (S or ST) OD (7-8) 4.0554-4.0561 Inch (in)
Service STD (JT) OD (1-6) 4.0498-4.0505 Inch (in)
Service STD (JT) OD (7-8) 4.0498-4.0505 Inch (in)
Service Hi Limit (GT) OD (1 -6) 4.0513-4.0520 Inch (in)
Service Hi Limit (GT) OD (7-8) 4.0513-4.0520 Inch (in)
Service OS (0.50 OST) OD (1 -6) 4.0708-4.0715 Inch (in)
Service OS (0.50 OST) OD (7-8) 4.0708-4.0715 Inch (in)
Cylinder Bore Clearance (1 -6) 0.0035-0.0049 Inch (in)
Cylinder Bore Clearance (7-8) 0.0040-0.0054 Inch (in)
Cylinder Bore Protrusion 0.0035-0.0122