Dimension & Clearance Specifications - Piston

Production STD (J or JT) OD (1-6) 102.8650 - 102.8830 mm (4.0529 - 4.0536inch)
Production STD (J or JT) OD (7-8) 102.8650 - 102.8830 mm (4.0529 - 4.0536 inch)
Production O.S. (S or ST) OD (1-6) 103.0080 - 103.0260 mm (4.0585 - 4.0592 inch)
Production O.S. (S or ST) OD (7-8) 103.0080 - 103.0260 mm (4.0585 - 4.0592 inch)
Service STD (JT) OD (1-6) 102.8650 - 102.8830 mm (4.0529 - 4.0536 inch)
Service STD (JT) OD (7-8) 102.8650 - 102.8830 mm (4.0529 - 4.0536 inch)
Service Hi Limit (GT) OD (1-6) 102.9040 - 102.9220 mm (4.0544 - 4.0551 inch)
Service Hi Limit (GT) OD (7-8) 102.9040 - 102.9220 mm (4.0544 - 4.0551 inch)
Service OS (0.50 OST) OD (1-6) 103.399 - 103.417 mm (4.0739 - 4.0746 inch)
Service OS (0.50 OST) OD (7-8) 103.399 - 103.417 mm (4.0739 - 4.0746 inch)
Out-of-Round 0.0200 mm maximum (0.0008 inch maximum)
Taper 0.0200 mm maximum (0.0008 inch maximum)
Cylinder Bore Clearance (1-6) 0.0890 - 0.1250 mm (0.0035 - 0.0049 inch)
Cylinder Bore Clearance (7-8) 0.1020 - 0.1380 mm (0.0040 - 0.0054 inch)
Cylinder Bore Protrusion 0.0900 - 0.3100 mm (0.0035 - 0.0122 inch)
Pin OD (Green) 30.9961 - 30.9987 mm (1.2203 - 1.2204 inch)
Pin OD (Orange) 30.9987 - 31.0013 mm (1.2204 - 1.2205 inch)
Pin Bore ID (Green) 31.0088 - 31.0114 mm (1.2208 - 1.2209 inch)
Pin Bore ID (Orange) 31.0114 - 31.0140 mm (1.2209 - 1.2210 inch)
Pin Bore Clearance 0.0101 - 0.153 mm (0.0004 - 0.0006 inch)