There is no gap. The right plug is flat, with electrode in the center of a ceramic circle.
The 1991 Mercury Marquis spark plug gap is .034. Most spark plugs will be pre-gapped by the spark plug manufacturer.
what is the setting of the spark plug gap for a 1991 chev caprice .035
gap is .040
The 1991 Suzuki 250 dirt bike spark plug gap is .019. Most spark plugs will come pre-gapped from the spark plug manufacturer.
The 1991 350 cubic and Chevrolet engine spark plug gap is .027. Most spark plugs will come pre-gapped from the manufacturer.
set you gap at .031
.031 is the correct gap for this vehicle
The 2006, Kawasaki Brute Force 650 spark plug gap is .014. Most spark plugs come pre-gapped from the spark plug manufacturer.
1991 Jeep Cherokee 2WD 4.0L MFI 6cylThe Spark Plug Gap.035 (In thousandths of an inch)
( .054 inch ) spark plug gap
the gap is 0.024
.035 gap standard and stock