The height of a nickel (5 cents) is 1.95 mm The height of a dime (10 cents) is 1.35 mm
.030" is the gap
.030 .030
the gap is .030"
.030"
.030"
.030 gap
The Gap is .030
With a spark plug gap gauge.
ngk bpr7es .030 gap
.030 is the correct gap.
.030 in. or .076 mm gap