E&O FPIR Definition
#32684 from SCCA Staff · Rule change · TB 22-06 (2022-06 Fastrack)
In Appendix F., Technical glossary, make changes as follows under Restrictor, Intake:
"The restrictor shall be made from flat steel or aluminum or sheet steel metal with a thickness range of 0.040in-0.250in at least0.060 inches thick."