Piston: Specifications
| Piston rod cap-to-piston connecting rod nuts | 26 ft. lbs. | |
| Piston Diameter | Coded red | 3.5024-3.5031 inch |
| Coded blue | 3.5035-3.5041 inch | |
| Coded yellow | 3.5045-3.5051 inch | |
| Piston-to-bore clearance | 0.0012-0.0022 inch | |
| Service limit | 0.031 inch Max | |
| Service piston selection When replacing pistons, measure the cylinder bore. Install the indicated service piston. | Piston bore diameter | Service piston grade required |
| Red | 3.5043-3.5053 inch | |
| Blue | 3.5053-3.5063 inch | |
| Yellow | 3.5063-3.5073 inch |