[FED 387]

rule book says ANY car running quicker than 10.99 AND/OR135 mph must have both shields (flex/trans) and a ALSO SFI flexplate REGARDLESS OF CLASS unless the rule book specifically allows it--General regulations back of the rule book buried in the Auto Trans section--ya have to look for it---NO shields necessary if ya have an APPROVED aftermarket trans case BUT ya still need the flexplate---2012 NHRA rule book--Section 20 page 12 sub-section 2:14 spells it out for ya-- basically if ya can run faster than 135 MPH or quicker than 10.99 YES