Competition Clutch Ultra Lightweight Steel Flywheels (STU suffix) are recommended for forced induction and/or track and rally racing applications. This flywheel is machined with less material to assist in quicker revving capabilities. Well-suited for Stage 3 and up clutch applications. Made of 4140 forged steel and are a one-piece design. All flywheels are SFI certified. Not all applications have the ST and STU versions available. Flywheel weights vary from 8lbs to 18lbs depending on application.
Warranty


This Part Fits:

Year	Make	Model	Submodel
1988	Mazda	RX-7	10th Anniversary
1986-1987,1991	Mazda	RX-7	Base
1987	Mazda	RX-7	Base 2+2
1988-1991	Mazda	RX-7	Convertible
1983-1985	Mazda	RX-7	GS
1983-1985	Mazda	RX-7	GSL
1984-1985	Mazda	RX-7	GSL-SE
1988-1990	Mazda	RX-7	GTU
1989-1990	Mazda	RX-7	GTUs
1986-1990	Mazda	RX-7	GXL
1987-1990	Mazda	RX-7	GXL 2+2
1983	Mazda	RX-7	Limited Edition
1987	Mazda	RX-7	LX
1987	Mazda	RX-7	LX 2+2
1983-1985	Mazda	RX-7	S
1988	Mazda	RX-7	SE
1988	Mazda	RX-7	SE 2+2
1987	Mazda	RX-7	Sport
1986-1991	Mazda	RX-7	Turbo