6.2L LS3 V8 · Engine Block
Cylinder bore diameter
Specification
Production / metric 103.241 – 103.259 mm
Production / imperial 4.0646 – 4.0653 in
Measured with Bore gauge.
Notes
LS3 nominal bore is 103.25 mm (see engine-spec.json).
Sources
- GM Service Information: Engine Mechanical Specifications (6.2L LS3), Document ID 2055077
Values are cited as facts. We do not reproduce the manufacturer's prose, table layout, or diagrams.