ACT 600390 XACT Prolite Flywheel for Toyota/Scion/Lexus 88-16 9.3in

Vehicle Fitment

• 1988-1993 Toyota Celica All-Trac (2.0L I4)
• 1991-1995 Toyota MR2 Turbo (2.0L I4)
• 1990-1991 Lexus ES250 (2.5L V6)
• 1992-1993 Lexus ES300 (3.0L V6)
• 1996-2000 Toyota RAV4 (Various Engines)
• 2005-2016 Scion tC (2.4L/2.5L I4)
• 2008-2015 Scion xB (2.4L I4)
• 2010-2011 Toyota Camry (2.5L I4 & 3.5L V6 fits in some configs)

Features

• Prolite lightweight performance flywheel engineered for throttle response
• Forged Chromoly steel construction for strength and durability
• Dynamically balanced for smooth high-RPM use and reduced vibration
• Heat-treated forging enhances toughness under repeated loads
• Induction-hardened ring gear for maximum life and shift performance
• One-piece design minimizes failure points and improves heat transfer
• Reduces rotational mass for quicker rev-up and acceleration
• Recommended for road racing, rally, and performance applications

Specifications

• Brand: ACT (Advanced Clutch Technology)
• Part Number: 600390
• Series: XACT Prolite performance flywheel
• Material: Forged Chromoly steel
• Friction Surface Diameter: 9.3 in (236 mm)
• Tooth Count: 120
• Weight: ~10.1 lb (~4.58 kg)
• SFI Rating: 1.1 (race certification)

Included Components

• 1x XACT Prolite Flywheel (ACT 600390)

Product Description

The :contentReference[oaicite:0]{index=0} is a performance-oriented flywheel designed to significantly reduce rotational mass and improve throttle response for a range of Toyota, Scion, and Lexus vehicles. Crafted from forged Chromoly steel and dynamically balanced, this Prolite flywheel delivers enhanced acceleration feel and high-RPM reliability. With an SFI 1.1 rating and induction-hardened ring gear, it's built for competitive driving environments such as road racing and rally applications where quick engine response matters most.

By reducing the flywheel's inertia compared to stock units, the ACT 600390 promotes faster rev-up and more engaging driving feedback. The one-piece design offers superior heat transfer from the clutch disc and fewer potential failure points than multi-piece alternatives. While it excels in performance settings, this lightweight configuration may reduce smoothness in everyday street driving. It's a direct-fit performance upgrade for enthusiasts looking to improve their vehicle's responsiveness and power delivery without extensive modifications.