6.2L LS3 V8 · Piston Rings

Piston ring end gap (oil rail)

Specification

Production / metric 0.22 – 0.79 mm
Production / imperial 0.0086 – 0.0311 in

Measured with Ring squared in bore, feeler gauge in gap.

Limits & variants

Service limit (used parts) 0.22 – 0.85 mm 0.0086 – 0.0335 in

Sources

  • GM Service Information: Engine Mechanical Specifications (6.2L LS3), Document ID 2055077Captured 2026-05-28

Values are cited as facts. We do not reproduce the manufacturer's prose, table layout, or diagrams.