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Class Racing Information

Horsepower Adjustments (January 2013)
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Accepted Pistons List
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Cylinder Head Volumes
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Super Stock Indexes

Stock Indexes

Accepted Fuels for STK/SS/TS/TD

     
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IHRA calendarheader
Sonic Rush Tour | Tulsa, OK
Sonic Rush Tour

Tulsa Raceway Park
Saturday, November 1st
Sonic Rush Tour | Edinburg, TX
Sonic Rush Tour

Edinburg Raceway
Saturday, November 15th
Sonic Rush Tour | San Antonio, TX
Sonic Rush Tour

San Antonio Raceway
Saturday, November 29th
Sonic Rush Tour | Tucson, AZ
Sonic Rush Tour

Southwestern International Raceway
Saturday, December 6th

 

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