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2005
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LS V8-3.9L VIN A
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Spark Plug Gap
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Spark Plug Gap
Spark Plug
Gap 3.0L v6
1.30-1.45 mm (0.051-0.057 inch)
Spark Plug
Gap 3.9L v8
1.0-1.1 mm (0.040-0.044 inch)