6.2L LS3 V8 · Piston Rings
Piston ring end gap (top compression)
Specification
Production / metric 0.17 – 0.38 mm
Production / imperial 0.0067 – 0.015 in
Measured with Ring squared in bore, feeler gauge in gap.
Limits & variants
Service limit (used parts) 0.17 – 0.44 mm 0.0067 – 0.0173 in
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.