2006 Cadillac XLR Spark Plugs

2006 Cadillac XLR spark plugs: 0.040 inches gap (4.6L V8). From the owner's manual, PDF page 402.

0.040inches

Gap · 4.6L V8

2006 Cadillac XLR Owner's Manual, PDF page 402

0.040 inches (1.02 mm)Open the manual at this page ↗Added Oct 21, 2026 · Updated
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Spark plugs (gap) · 4.6L V8 · PDF page 402

0.040 inches (1.02 mm)

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4.6L V8 0.040 inchesgap “0.040 inches (1.02 mm)” PDF page 402 ↗

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