Stock rule is here:
Any car running quicker than 10.99 must be equipped with a transmission shield meeting SFI Spec 4.1. Any car running quicker then 9.99, SFI 29.1 automatic transmission flexplate and SFI 30.1 flexplate shield mandatory.
As already posted, the Ultra Bell alone is not a transmission shield, but will serve as the flexplate shield if you need one.
Quote:
Originally Posted by Ed Wright
So, nothing for SS? I have a TCI shield on mine. Where did you guys see the new rule changes?
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Super Stock rule appears to be the same as last year. It is basically the same as the Stock rule, but there are also class-based requirements in addition to ET-based:
Cars in SS/AH through SS/MA, FSS/A through FSS/M, and any car running quicker than 10.99 must be equipped with a transmission shield meeting SFI Spec 4.1. Cars in SS/AH through SS/JA and FSS/A through FSS/M, SFI 29.1 automatic transmission flexplate and SFI 30.1 flexplate shield mandatory. Aftermarket automatic transmission bellhousing permitted; must be labeled as meeting SFI Spec 30.1 for automatic transmission flexplate shields and must be NHRA-accepted. Aftermarket OEM-style replica case, NHRA-accepted, permitted. See General Regulations 2:14.
Cars in GT/AA through GT/LA, FGT/A through FGT/J, and any car running quicker than 10.99 must be equipped with a transmission shield meeting SFI Spec 4.1. Cars in GT/AA through GT/GA and FGT/A through FGT/J, SFI 29.1 automatic transmission flexplate and SFI 30.1 flexplate shield mandatory.