[quote=“twoslow,post:66,topic:28259"”]
but i have seen alot of them for SCCA/Road race.
[/quote]
No.
You have not, unless it was back in before 1995 (when they lost eligability to run in SSA due to the 5-year rule (now 10)).
SCCA has no provisions for turbo charged cars except in Touring (limited only to WRX, STi, EVO, and SRT-4) and the regional ITE (which isn’t much of a class at all).