Yukon V8-350 5.7L (1992)
Spark Plug: Specifications
SPARK PLUG TYPE UPDATED BY TSB # 88-T-64
Spark Plug Gap
0.90 mm (0.035 inches)
Spark Plug Torque
20 Nm (15 lb. ft.)
Spark Plug Type
AC R43TS
NOTE: Check the gap specifications given on the Emissions Control Label. If the gap is different from what is listed here, use the information on the
label.