Silverado 2500 2WD V8-6.0L VIN U (2004)
Piston: Specifications
Piston - Piston Diameter - Measured Over Skirt Coating .................................................................................. 101.606-101.640 mm (4.0002-4.0016 inch)
Piston - Piston to Bore Clearance - Production .......................................................................................................... 0.022-0.03 mm (-0.0009-0.0012 inch)
Piston - Piston to Bore Clearance - Service Limit with Skirt Coating Worn Off ............................................................................... 0.07 mm (0.0028 inch)