K 2500 Truck 4WD V8-6.6L DSL Turbo VIN 1 (2002)
Piston Ring: Specifications
Piston
Type ........................................................................................................................................................................................................................ 1 Piece
Material ............................................................................................................................................................................................................. Aluminum
Skirt ............................................................................................................................................................................................ Antiscuff/Barrel Shaped
Head ........................................................................................................................................................................ Ni-resist Insert for Top Ring Groove
Coolant ............................................................................................................................................................................................. Oil Cooling Channel
Piston Pin Type ..................................................................................................................................................................................................... Hollow
Material ...................................................................................................................................................................................................................... Steel
Diameter ............................................................................................................................................................................................ 34.5 mm (1.36 inch)
Retention Method ............................................................................................................................................................................................. Snap Ring
Piston Rings Number ...................................................................................................................................................................................................... 3
Top Compression Ring Type ..................................................................................................................................................................... Keystone Ring
Top Compression Ring Material ............................................................................................................................................................................... Steel
2nd Compression Ring Type ...................................................................................................................................................... Positive Twist/Inner Cut
2nd Compression Ring Material .......................................................................................................................................................................... Cast Iron
Oil Control Ring Type ...................................................................................................................................................... Bevel-Edged Oil Control Ring
Oil Control Ring Material ......................................................................................................................................................................................... Steel
Piston to Small End Clearance - Production Value ............................................................................................................................ 5 mm (0.1969 inch)
Piston Outside Diameter - At 22 mm from Piston Bottom - Production Value ............................................. 102.948-102.960 mm (4.0531-4.0535 inch)
Bore Inside Diameter for Piston Pin - Production Value .................................................................................. 34.504-34.512 mm (1.3584-1.3587 inch)
Piston Rings
Compression Ring Gap - Service Limit ......................................................................................................................................... 1.37 mm (0.0539 inch)
Compression Ring Gap - Production Value ................................................................................................................ 0.3-0.45 mm (0.0118-0.0177 inch)
2nd Ring Gap - Service Limit ........................................................................................................................................................ 1.35 mm (0.0531 inch)
2nd Ring Gap - Production Value ............................................................................................................................. 0.50-0.65 mm (0.0197-0.0256 inch)
Oil Ring Gap - Service Limit ......................................................................................................................................................... 1.20 mm (0.0472 inch)
Oil Ring Gap - Production Value .............................................................................................................................. 0.15-0.35 mm (0.0059-0.0138 inch)
Piston Ring Groove Clearance
Compression Ring - Service Limit ................................................................................................................................................. 0.26 mm (0.0102 inch)
Compression Ring - Production Value ...................................................................................................................... 0.08-0.17 mm (0.0030-0.0067 inch)
2nd Ring - Service Limit ................................................................................................................................................................ 0.10 mm (0.0039 inch)
2nd Ring - Production Value ..................................................................................................................................... 0.01-0.03 mm (0.0004-0.0012 inch)
Oil Ring - Service Limit ................................................................................................................................................................ 0.12 mm (0.0047 inch)
Oil Ring - Production Value ...................................................................................................................................... 0.01-0.03 mm (0.0004-0.0012 inch)