6.2L LS3 V8 · Valvetrain

Valve lash

Specification

GM does not publish a discrete limit for this measurement on the LS3. See the notes below for what bounds it and the accepted service practice.

Measured with Not adjustable; hydraulic roller lifters self-set when rocker bolts are torqued to spec..

Notes

Net Lash – No Adjustment Non-adjustable on stock LS3 hydraulic lifters.

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.