OversizedYes
Piston Head TypeFlat
Cylinder Bore Diameter4
Cylinder Bore Diameter101.6
Bore Diameter4.0
Piston MaterialCast 390 Hypereutectic Alloy
Compression Height1.13
Compression Height28.7
Alloy390
Base NumberKB122
Bore (in)4
Bore (mm)101.6
Compression Ratio58-11.7, 62-11.1, 64-10.9, 76-9.6
Crown (cc)+7cc
Crown TypeFLAT TOP 2V
Eng. Disp Liters6.3
Eng. Disp. In.383
Engine FamilyChevrolet SB V8 Gen I
Engine ManufacturerChevrolet
Exhaust Valve Depth/diameter.280/2.168
Intake Valve Depth/diameter.280/2.168
LockPRJ100-3
Make For Engine FamilyGeneral Motors
Oe Deck Height9.025
Oversize.030
OversizesSTD .020 .030 .040 .060
Pin ConfigurationCentered
Pin Diameter (in).927
Pin Diameter (mm)23.5
Pin Number0927x300K
Pin TypePress or Floating
Ring Pack1/16, 1/16, 3/16
Rod (in)6
Rod (mm)152.4
Sold AsPISTON SET
Stroke (in)3.75
Stroke (mm)95.3
Top Land.275
Package Information- package Level GTIN Number: 00800745044143
- Quantity in Package: 8