Accurate ignition timing is one of the most vital adjustments you can make to your engine. The Aeroflow Timing Tape comes with eight different sizes to suit most factory or aftermarket harmonic balancers ranging 5.25" to 8" in diameter. The tapes are marked in one-degree increments from 14 degrees ATDC to 64 degrees BTDC. They are printed on tough, chemical-resistant material with a clear coat over white background with black print to ensure an easy read.
Suits harmonic balancer dimeters below:
5.25"
6.00"
6.375"
6.75"
7.00"
7.25"
7.50"
8.00"
