6.2L LS3 V8 · Cylinder Head
Valve stem-to-guide clearance (exhaust)
Specification
Production / metric 0.025 – 0.066 mm
Production / imperial 0.001 – 0.0026 in
Measured with Dial indicator on valve stem with valve lifted.
Limits & variants
Service limit (used parts) 0.093 mm 0.0037 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.