The spark plug gap for the 1994 Jeep Grand Cherokee 5.2L (318CID V8 is .035".
.034
with a spark plug #5224 the gap setting is .040
The spark plug gap for the 4.0 L engine is .35 inches.
.035
.035".
The manufacturer's recommended spark plug gap is .040".
.35 to .40
1991 Jeep Cherokee 2WD 4.0L MFI 6cylThe Spark Plug Gap.035 (In thousandths of an inch)
.035 inch
.035
.312 centimeters