REPRODUCTION. You are purchasing a set of 8 pistons. These pistons are precision machined within 0.001" of each other and weight balanced. These pistons are a full floating wrist pin, original parts may have had press-in wrist pins. These are a direct replacement for the press-in style. Please choose from the drop down options the year, piston size to ensure proper fit for your engine. You may also add piston rings. The image shown is a representation of the actual product, you will receive the correct parts as ordered.
Piston Diameter: 3.8125 Inches
Piston Clearance: 0.0015-0.002 Inch
1953-1955 Cadillac Models WITH 331 Engines