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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 Good Vibrations Southwestern Nationals (Single Event)
Nitro Jam

Southwestern International Raceway
Friday, February 6th - Saturday, February 7th
Nitro Jam / Summit Pro-Am Tour | Wild Card (Single Event)
Pro-Am Tour

Southwestern International Raceway
Friday, February 6th - Saturday, February 7th
Summit Pro-Am Tour | Wild Card (Double Event)
Division 2

Immokalee Regional Raceway
Friday, February 6th - Monday, February 9th
Nitro Jam / ET Bracket Race Only (Pro Am Classes will not be contested at this event)
Division 4

State Capital Raceway
Friday, March 13th - Saturday, March 14th
Summit Pro-Am Tour | Division 4 (Double Event)
Division 4

Pine Valley Raceway
Friday, March 27th - Sunday, March 29th

 

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IHRA SERIES:

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