Spark Plugs
SPARK PLUG SPECIFICATIONS
| Application | Specification | ||
|---|---|---|---|
| Metric | English | ||
| Spark Plug Gap | |||
| 3.8L | 1.52 mm | 0.060 in | |
| 5.3L | 1.02 mm | 0.040 in | |
| Spark Plug Torque | 15 N.m | 11 lb ft | |
| Spark Plug Type | |||
| 3.8L | GM P/N 12568387 | ||
| 5.3L | GM P/N 12571164 AC Spark Plug P/N 41-985 |
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| Spark Plug Wire Resistance | |||
| 3.8L | 3000 ohms per ft | ||
| 5.3L | 3188-312 ohms | ||