ACT XACT ProLite Flywheel 2006-2018 WRX
DESCRIPTION
The ACT ProLite Flywheel is designed for the 2006–2018 Subaru WRX and is ACT’s lightest flywheel offering, engineered for the lowest rotational inertia. Its material distribution maximizes strength, rigidity, and heat tolerance while delivering dramatically improved throttle response and acceleration. ProLite flywheels are preferred for road racing or rally racing, where performance takes priority over daily drivability. The flywheel is fully serviceable and can be resurfaced without additional parts.
WHY?
The ProLite flywheel gives WRX owners sharper engine response and faster acceleration, making it ideal for competitive racing applications. Heat-treated forging and induction-hardened ring gears provide durability under high-stress use, while one-piece construction ensures uniform heat transfer and minimizes failure risk. Its lightweight design emphasizes performance over comfort, giving drivers maximum responsiveness for track or rally environments.
FEATURES:
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Designed for the 2006–2018 Subaru WRX
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Ultra-lightweight ProLite design for maximum throttle response and acceleration
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Heat-treated forging with induction-hardened ring gear for long-lasting durability
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One-piece construction for efficient heat transfer and reduced failure risk
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Recommended for race use, with reduced drivability compared to stock flywheels
COMPATIBILITY
2006-2018 WRX
SPECIFICATIONS
| Item Description | ACT XACT Prolite Clutch Flywheel |
|---|---|
| Product Weight (lbs.) | 9.4 |
| Material | Chromoly Steel |
| Friction Surface Diameter (Inches) | 9 |
| Friction Surface Diameter (Millimeters) | 228 |
| Flywheel Type | Prolite |
| Tooth Quantity | 124 |
| Warranty | 12 Months (view details) |
| SFI | 1.1 |
| UPC | 00842385002244 |