ACT Subaru 04-20 WRX STI Mod Twin HD Street Kit Unsprung Mono-Drive Hub Torque Capacity 700ft/lbs

"Excellence in Performance", backed by the best one-year warranty in the industry! Soft progressive engagement, light pedal effort, quick shifting, with mild to moderate transmission gear noise; Forged Aluminum Cover, Mono-drive hub, exclusive diaphragm, premium friction materials, and hardened wear points ensure this long-life twin performs and survives under the most demanding conditions; Delivers maximum performance and high heat tolerance by combining robust design, strategic features, choice materials, and close tolerances; Street or Street/Strip; Applying tactical engineering to the MOD-TWIN, ACT presents unique solutions to common tradeoffs found on twin disc clutches, resulting in an ultra-durable, customer serviceable, long-lasting clutch with very high torque capacity. All are 100% clamp load tested, balanced and SFI certified T1S-S07 Mod-Twin 225 HD Rigid Street Kit blends easy pedal feel, smooth but positive engagement with quick shifting for high powered AWDs by combining twice the organic friction surfaces with a no-nonsense rigid Mono-Drive hub in a completely modular design. Each diaphragm spring endures an exclusive four-stage heat treating process. Steel-backed Friction Plates with high quality organic friction materials deliver stable friction coefficient, good heat capacity and long clutch life. These Friction Plates uniformly transfer torque to a Mono-Drive chrome-moly hub which is heat treated for strength and durability extending input shaft life with one continuous spline. The lightweight, rigid design allows for quicker shifts and trouble-free service. This kit includes a CNC-machined and dynamically balanced flywheel, pressure plate cover, diaphragm spring, face, puck-style ceramic friction plates, rigid Mono-Drive hub, floater, patented Monoloc Collar, release bearing, alignment tool and pilot bearing (if needed). Mod-Twin clutches are fully rebuildable and most components can be ordered separately. Fitment 2004 Subaru Impreza WRX STI 2005 Subaru Impreza WRX STI 2006 Subaru Impreza WRX STI 2007 Subaru Impreza WRX STI 2007 Subaru Impreza WRX STI Limited 2008 Subaru Impreza WRX STI 2009 Subaru Impreza WRX STI 2010 Subaru Impreza WRX STI 2010 Subaru Impreza WRX STI Special Edition 2011 Subaru Impreza WRX STI 2011 Subaru Impreza WRX STI Limited 2012 Subaru Impreza WRX STI 2012 Subaru Impreza WRX STI Limited 2013 Subaru Impreza WRX STI 2013 Subaru Impreza WRX STI Limited 2014 Subaru Impreza WRX STI 2014 Subaru Impreza WRX STI Limited 2015 Subaru WRX STI Base 2015 Subaru WRX STI Launch Edition 2015 Subaru WRX STI Limited 2016 Subaru WRX STI Base 2016 Subaru WRX STI Limited 2016 Subaru WRX STI Series.HyperBlue 2017 Subaru WRX STI Base 2017 Subaru WRX STI Limited 2018 Subaru WRX STI Base 2018 Subaru WRX STI Limited 2019 Subaru WRX STI Base 2019 Subaru WRX STI Limited 2020 Subaru WRX STI Base 2020 Subaru WRX STI Limited 2021 Subaru WRX STI Base 2021 Subaru WRX STI Limited