6.2L LS3 V8 · Piston Rings
Piston ring end gap (second compression)
Specification
Production / metric 0.32 – 0.63 mm
Production / imperial 0.0126 – 0.0248 in
Measured with Ring squared in bore, feeler gauge in gap.
Limits & variants
Service limit (used parts) 0.32 – 0.69 mm 0.0126 – 0.0272 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.