Is this an NHRA rule or IHRA rule because it’s news to me but my last NHRA cert was before 2010. My last IHRA cert was 2 years ago.
its an NHRA rule , and if it matters my car is 25.5
Per my copy of SFI Spec 25.x "The manufacturer must label each chassis with the manufacturers name & serial number, as well as the date of manufacture"..."Such identification shall be on the driver side Primary Door Diagonal"
I see no such wording for a sportsman cert - 8.50 and/or 180MPH and slower.
Looks to me like they want a tag - name, date, serial #, even if it was home built - for an SFI tag.