2023 Chevrolet Silverado 2500HD/3500HD Spark plugs
0.95–1.10mm
Gap · 6.6L V8 (L8T)
2023 Chevrolet Silverado 2500HD/3500HD Owner's Manual, PDF page 395
0.95–1.10 mm (0.037–0.043 in)Open the manual at this page ↗Added Oct 15, 2026 · Updated
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Spark plugs (gap) · 6.6L V8 (L8T) · PDF page 395
0.95–1.10 mm (0.037–0.043 in)
See every quote (1 value)
As printed in the manual
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 6.6L V8 (L8T) | 0.95–1.10 mmgap | “0.95–1.10 mm (0.037–0.043 in)” | PDF page 395 ↗ |
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