The spark plug gap for the 1994 Jeep Grand Cherokee 5.2L (318CID V8 is .035".
.034
The spark plug gap for the 4.0 L engine is .35 inches.
with a spark plug #5224 the gap setting is .040
.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