Specifications
Part Details:
Put all that hard-earned power to the ground with confidence. The ACT Heavy Duty Performance Street Sprung Clutch Kit with Monoloc is built for Subaru WRX and STI drivers who want more holding power than stock while keeping smooth, street-friendly engagement.
This kit includes ACT’s Heavy Duty pressure plate for increased clamp load and improved torque capacity, paired with a performance street sprung disc designed for predictable engagement and solid heat management. It’s a strong choice for spirited street driving, track days, and mildly to moderately modified setups.
The included Monoloc flywheel is precision-machined from a single piece, helping reduce rotational mass for faster throttle response while maintaining durability. Together, this clutch and flywheel combo delivers reliable performance, consistent engagement, and long service life.
Key Features
- Heavy Duty pressure plate for increased torque capacity
- Performance street sprung disc for smooth engagement
- Monoloc flywheel for improved throttle response
- Great for daily-driven and performance-oriented builds
- Ideal for bolt-on and moderately upgraded power levels
FAQ
Is this clutch suitable for daily driving?
Yes. The ACT HD pressure plate increases holding power while the street sprung disc maintains smooth, predictable engagement. It is a strong choice for drivers who want a performance upgrade without sacrificing daily drivability.
Does this kit include the flywheel?
Yes. The kit includes ACT’s Monoloc flywheel, precision-machined from a single piece to reduce rotational mass and improve throttle response. No separate flywheel purchase is needed.
What power level is this clutch designed for?
The ACT HD Street Sprung kit is designed for stock to moderately modified WRX and STI setups, including common bolt-on upgrades. For higher power builds running big turbos or built engines, a more aggressive clutch specification may be required.
Is break-in required?
Yes. A proper break-in period is recommended to seat the disc and pressure plate correctly and ensure long-term performance and durability. Follow ACT’s break-in procedure included with the kit.
Note: Please verify fitment before ordering.
Recommended Supporting Drivetrain Components
- Flywheels commonly replaced during clutch installation to ensure proper engagement and compatibility.
- Transmission Mounts help reduce drivetrain movement and improve shift consistency under load.
- Shifter Bushings improve shift feel and precision, especially when paired with a performance clutch.
- WRX Engine Build and Power Goals Guide plan the full drivetrain and engine build path for higher power setups.
Why Buy the ACT HD Street Sprung Clutch Kit from Wrench Masters?
Wrench Masters specializes in Subaru WRX and STI drivetrain upgrades and performance builds. When you purchase the ACT Heavy Duty Performance Street Sprung Clutch Kit with Monoloc from us, you get:
- Fast shipping on in-stock drivetrain components
- Guidance on pairing the right flywheel, transmission mounts, and shifter components for your build
- Support for fitment questions across WRX and STI model years
- Access to a full catalog of Subaru drivetrain and performance upgrades
This kit is a proven upgrade for WRX and STI owners who want more clutch performance without giving up street manners. The Wrench Masters team can help confirm fitment and make sure it works with the rest of the drivetrain before you buy.
Shipping
Shipping Options:
WrenchMastersAuto.com ships your performance parts safely, quickly and conveniently nationwide via the most trusted shipping carriers such as: UPS, Fed Ex, USPS, and DHL.
Delivery Times:
- In Stock: 3-7 Business Days
- Custom Orders: 2-6 Weeks, Please Email: [email protected] or Call: 727-565-9808 for Questions.
Enjoy FREE SHIPPING on most orders over $199!
Contact WrenchMasters
Have Questions? Need Assistance?
Our expert team members are available Mon-Friday 8:00 AM to 5:30 PM EST to provide support and answer any questions or concerns before or after your parts purchase.
Part Installation
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