On the 2022 Rule Book Amendments released today by NHRA, there is a rule change applicable to the Optispark.
It reads as follows:
SECTION 11A: STOCK, ELECTRICAL:8, DISTRIBUTOR (Page 12)
(12/16/2021)
Any battery-operated, stock-type ignition permitted. Crank trigger systems
prohibited unless
originally OEM
equipped with crank/cam sensor (removed-distributorless
ignition). Distributorless ignition must retain OEM number of coils. See General
Regulations 8:3
https://www.nhraracer.com/Files/Tech...12-16-2021.pdf