.035 inch
I think it's .035
For the 1991 Jeep Cherokee 2-wheel drive, 4.0 liter 6-cylinder, the spark plug gap is .035 (in thousandths). It should be noted that the gap is not adjustable on all brands of spark plugs. Check the package before purchasing plugs.
A Jeep Wrangler has one spark plug per cylinder.
The spark plug gap for a 1984 258 6 cylinder Jeep should be set at .033 inches. New spark plugs will be preset and should not need adjustments.
The spark plug gap for 1987-1991 Toyota Camry: 2.0L, 4-Cylinder is 0.044.
1981 Jeep CJ5 4.2L 2BL 6cylThe Spark Plug Gap.035 (In thousandths of an inch)
.035 inch
It usually cast onto the intake manifold for Jeep.
The diagram.
Number one spark plug is closest to the radiator.
.35 inches .89mm