NHRA (IHRA?) stock eliminator - Fees? for 23.47 Weight break ??

A weight break of 23.47 puts the vehicle in V/S or V/SA.
The indexes are 15.25 for V/S and 15.50 for V/SA.

V covers 22.00-23.99 lbs/factored HP.

The minimum weight in V, with driver, for a car/truck that has an engine factored at 170hp is 3910.