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Home >> Hummer >> 2003 >> H2 V8-6.0L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Ignition System >> Spark Plug

Spark Plug

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Spark Plug Gap 1.02 mm (0.040 in.)

Spark Plug Torque
Used Heads 15.0 Nm (11.0 lb. ft.)
New Aluminum Heads 20 Nm (15 lb ft.)
New Iron Heads 30 Nm (22 lb ft.)