Spark Plug Specifications

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SPARK PLUG SPECIFICATIONS

Application		Specification
Spark Plug Type
4.3L		AC R41-932
4.8L, 5.3L & 6.0L		AC 25171803
Gap		Iridium .040 in. (1.04 mm) Platinum .060 in. (1.52 mm)
Tightening Torque		11 Ft. Lbs. (15 N.m)
Firing Order
4.3L		1-6-5-4-3-2
4.8L, 5.3L & 6.0L		1-8-7-2-6-5-4-3