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. Not all applications have the ST and STU versions available. Flywheel weights vary from 8lbs to 18lbs depending on application.

• • 4140 Forged Steel.

  This Part Fits:

  Year	Make	Model	Submodel
  2002-2006	Acura	RSX	Base
  2002-2006	Acura	RSX	Type-S
  2008	Honda	Civic	MUGEN Si
  2002-2011	Honda	Civic	Si