600390 is a Prolite flywheel from ACT's XACT lineup, the lightest and lowest-inertia flywheel in the range for the sharpest possible throttle response and acceleration. The forged, CNC-machined, and dynamically balanced chromoly construction is heat-treated for strength and uses an induction-hardened ring gear for long service life, though the reduced mass brings mild-to-moderate gear rattle and less street manners than the Streetlite, making it best suited to road racing or rally use. Like all XACT flywheels it can be resurfaced rather than replaced at service time.
WarrantySpecifications:
- Material: chromoly steel, forged, internal engine balance
- Ring gear tooth count: 120
- SFI Rating: SFI 1.1
- Part Number: 600390
Vehicle Applications:
- 1990 Lexus ES250 Base
- 1991 Lexus ES250 Base
- 1992 Lexus ES300 Base
- 1993 Lexus ES300 Base
- 2005 Scion tC Base
- 2006 Scion tC Base
- 2007 Scion tC Base
- 2008 Scion tC Base
- 2009 Scion tC Base
- 2010 Scion tC Base
- 2011 Scion tC Base
- 2012 Scion tC Base
- 2013 Scion tC Base
- 2014 Scion tC Base
- 2015 Scion tC Base
- 2016 Scion tC Base
- 2007 Scion tC Spec
- 2008 Scion tC Spec
- 2008 Scion xB Base
- 2009 Scion xB Base
- 2010 Scion xB Base
- 2011 Scion xB Base
- 2012 Scion xB Base
- 2013 Scion xB Base
- 2014 Scion xB Base
- 2015 Scion xB Base
- 2010 Toyota Camry Base
- 2011 Toyota Camry Base
- 2010 Toyota Camry LE
- 2011 Toyota Camry LE
- 2010 Toyota Camry SE
- 2011 Toyota Camry SE
- 1988 Toyota Celica All Trac
- 1989 Toyota Celica All Trac
- 1990 Toyota Celica All Trac
- 1991 Toyota Celica All Trac
- 1992 Toyota Celica All Trac
- 1993 Toyota Celica GTS All Trac
- 1991 Toyota MR2 Turbo
- 1992 Toyota MR2 Turbo
- 1993 Toyota MR2 Turbo
- 1994 Toyota MR2 Turbo
- 1995 Toyota MR2 Turbo
- 1996 Toyota RAV4 Base
- 1997 Toyota RAV4 Base
- 1998 Toyota RAV4 Base
- 1999 Toyota RAV4 Base
- 2000 Toyota RAV4 Base
This product can expose you to chemicals including carbon black, glass wool fibers, and silica (in clutch discs), chromium and nickel, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
FAQ
Can this flywheel be paired with an aftermarket clutch?
Yes. It is built to work with quality aftermarket clutches as well as OE-spec units, provided the clutch is matched to the correct step height, ring gear tooth count, and flywheel thickness. If it is part of an ACT clutch kit, the flywheel that kit specifies should be used.
What is a flywheel step, and why does it matter?
The step is the distance between the friction surface and the pressure plate mounting point, and it sets the correct working range for the pressure plate. Depending on the vehicle it can be an up-step, down-step, or flat design, so matching the correct step is critical to proper clutch function.
Can this flywheel be resurfaced?
Yes, it can be resurfaced the same way as a factory flywheel using a flywheel grinder, removing no more than about 0.040 in (1.02 mm) of material while preserving the correct step height.
Is this flywheel suitable for daily street driving?
The Prolite is ACT's lightest, lowest-inertia flywheel and is best suited to road racing or rally use; expect mild-to-moderate gear rattle and reduced everyday street drivability in exchange for the sharpest throttle response.