The following brand/model springs and lowering kits not available at Tire Rack are allowed in SCCA Time Trials Sport Category:

BMR Lowering Springs: All

Manzo Lowering Springs: All

Spoon Sports Lowering Springs: All

Swift Sport Springs: All

Swift Sport "Spec R" Springs: All

RS-R Super Down Springs: All

Tein S-Tech Springs: All

Chevrolet
	Corvette	Van Steel front and rear Lowering Kit for the Corvette (Part numbers HCO-HB-C5/6-ADJ and SG-11P8K-C5)
Ford
	All	Steeda Lowering Springs
Hyundai
	All	Storm Lowering Springs
Mazda
	MX5/Miata	Springs from the Flyin’ Miata KONI Stage 1 and 2 kits for NA, NB, NC and ND Miatas.
		Good-Win-Racing “RoadsterSport ND Springs” Part# 61-1847ND
		Progress Technologies 2006-2014 61-0545NC Lowering Springs
	MazdaSpeed 3	Corksport lowering springs
Pontiac
	GTO	JHP King Spring Kit Lovells Springs
Porsche
	996	RUF Sport Spring Kit
Subaru
	All	Racecomp Engineering "Yellow"
Toyota/Scion
	FRS/86	Racecomp Engineering "Yellow"