LOOKS LIKE IT IS 13.99 or quicker - so bring a helmet. See rules below and link.
http://www.sanantonioraceway.com/index.htm
SAN ANTONIO RACEWAY
Basic ET Racing Rules
Races are run under the year 2009 NHRA rules
All cars are required to have working seat belts
Drivers in all cars running 13.99 or quicker (8.59) are required to have a Snell approved helmet, 80, 85, 90 of SFI 31.1 or 31.2 specs
All drivers are required to wear long pants and a tee shirt. No tank tops are allowed
A roll bar is required in cars running 11.49 or quicker (7.49) except for convertibles which are required to have a roll bar if running 13.99 (8.59) or quicker
A drive shaft loop is required if the car runs 13.99 (8.59) or quicker with racing slicks or 12.99 (8.14) or quicker on street tires
Roll cages are mandatory in cars running 9.99 (6.99) or quicker
Drivers in cars running 9.99 (6.39) or quicker are required to wear a fire retardant jacket, pants and neck collar of SFI approved spec 3.2 A/5
Any car running 10.99 (6.99) or quicker is required to have a SFI approved harmonic balancer. No stock balancers will be allowed
Full all leathers are mandatory for the riders of motorcycles running 120 MPH or faster. Leather boots or shoes above the ankle, leather jacket and leather gloves are mandatory for the riders of all motorcycles
Drivers of cars running 9.9 (6.39) or quicker are required to have a valid IHRA competition license
Vehicles must have one functional tail light for night operations. Flashing, blinking or strobe lights will be fine
Any car running 9.99 (6.39) or quicker which has a full roll cage is required to have a SFI approved window net
No two steps, no throttle stops, no trans brakes, no delay boxes and no electric or pneumatic shifters in the Footbrake Class
All cars running 9.00 (6.39) or quicker must have chassis certifications. Cars in the Trophy eliminatory will be restricted to 13.00 or slower