ACT Heavy Duty Performance Street Sprung Clutch Kit with Monoloc

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 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. It’s designed to increase holding power while keeping smooth, predictable engagement for street use. Does this kit include the flywheel? Yes. This kit includes ACT’s Monoloc flywheel. What power level is this clutch designed for? It’s a solid option for stock to moderately modified WRX STI setups, including common bolt-on upgrades. Is break-in required? Yes. A proper break-in period is recommended to ensure optimal performance and longevity. 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. Drivetrain Components – explore additional upgrades designed to support reliable power transfer. 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? 727-565-9808 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 Want your performance parts professionally installed? Save time, stress & hassle by scheduling your auto appointment online below. Our team of ASE certified master techs will make sure your parts are installed properly at our St.Petersburg, Florida shop location. Schedule Install Now Performance Parts Locator Looking for a specific part not listed on our online store? WrenchMastersAuto.com has access to over 40,000 aftermarket performance parts for vehicles of all makes and models, old and new.  Fill out the parts request form below, and our parts specialist will contact you within 24-48 hours.