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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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Downloads

Super Stock Indexes

Stock Indexes

Accepted Fuels for STK/SS/TS/TD

     
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IHRA calendarheader
IHRA Spokane Nationals (Double Event)
Nitro Jam

Spokane County Raceway
Friday, July 10th - Saturday, July 11th
Nitro Jam / Summit Pro-Am Tour | Division 6 (Double Event)
Division 6

Spokane County Raceway
Friday, July 10th - Sunday, July 12th
Summit Pro-Am Tour | Division 1 & 3 (Double Event)
Division 3, Division I

Pittsburgh Raceway Park
Friday, July 10th - Sunday, July 12th
IHRA Mopar Rocky Mountain Nationals (Double Event)
Nitro Jam

Castrol Raceway
Friday, July 17th - Sunday, July 19th
Nitro Jam / Summit Pro-Am Tour | Division 6 (Double Event)
Division 6

Castrol Raceway
Friday, July 17th - Sunday, July 19th

 

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IHRA SERIES:

Nitro-Jam-Logo---FINAL SRT-logo-final SummitProAmAmsoilNEW
SSS-Logo SummitTOC Junior SuperSeries