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Piston, Engine

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