OversizedYes
Piston Head TypeFlat
Cylinder Bore Diameter4.466
Cylinder Bore Diameter113.4
Bore Diameter4.466
Bore Diameter113.4
Piston MaterialCast 390 Hypereutectic Alloy
Compression Height1.645
Compression Height41.7
Alloy390
Base NumberKB173
Bore (in)4.466
Bore (mm)113.4
Compression Ratio96.5-10.5, 105-9.8, 108-9.6, 119-8.9
Crown (cc)+3cc
Crown TypeFLAT TOP 1V
Eng. Disp Liters8.2
Eng. Disp. In.502
Engine FamilyChevrolet BB V8 Gen V
Engine ManufacturerChevrolet
Intake Valve Depth/diameter.286/2.400
LockPRG110-3
Make For Engine FamilyGeneral Motors
Oe Deck Height9.8
Oversize.134
Oversizes.004 .034 .064 .100 .134
Pin ConfigurationCentered
Pin Diameter (in).990
Pin Diameter (mm)25.1
Pin Number0990x300K
Pin TypePress or Floating
Ring Pack1/16, 1/16, 3/16
Rod (in)6.135
Rod (mm)155.829
Sold AsPISTON SET
Stroke (in)4
Stroke (mm)101.6
Top Land.311
Year From1979
Year Range1979-1991
Year To1991
Package Information- package Level GTIN Number: 00800745051059
- Quantity in Package: 8