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ACT 04-20 WRX STI Mod Twin HD Race Kit Sprung Mono-Drive Hub Torque Cap 895ft/lbs Not For Street Use
ACT

ACT 04-20 WRX STI Mod Twin HD Race Kit Sprung Mono-Drive Hub Torque Cap 895ft/lbs Not For Street Use

SKU T1R-S05 In stock
$1,893.60$2,598.00Save $704.40

  • Ships fast from US warehouses
  • Local pickup available
  • Professional install & dyno tuning in-house

ACT 04-20 WRX STI Mod Twin HD Race Kit Sprung Mono-Drive Hub Torque Cap 895ft/lbs Not For Street Use

T1R-S05 Mod-Twin 225 HD Sprung Race Kit performs aggressive launches and smoother shifting in high powered AWD’s by combining twice the ceramic friction surfaces with an ultra-durable Mono-Drive sprung hub assembly in a completely modular design. Each diaphragm spring endures an exclusive four-stage heat treating process providing a consistent light pedal feel. Puck-style Friction Plates with high quality ceramic friction materials deliver high friction coefficient, superior heat capacity, and long clutch life. These Friction Plates uniformly transfer torque to a Mono-Drive sprung hub assembly which extends input shaft life and reduces driveline shock from torsional vibration. This kit includes a CNC-machined and dynamically balanced flywheel, pressure plate cover, diaphragm spring, face, puck-style ceramic friction plates, sprung Mono-Drive hub assembly, 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

Predictable aggressive engagement, light pedal effort, quick shifting, possible start-off judder with OE to mild 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; Drag, Road, or Rally Racing; 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

  • 2004–2014 Subaru Impreza WRX STI
  • 2007 Subaru Impreza WRX STI Limited
  • 2010 Subaru Impreza WRX STI Special Edition
  • 2011–2014 Subaru Impreza WRX STI Limited
  • 2015 Subaru WRX STI Launch Edition
  • 2015–2021 Subaru WRX STI Base
  • 2015–2021 Subaru WRX STI Limited
  • 2016 Subaru WRX STI Series.HyperBlue
  • 2018 Subaru WRX STI Type RA
  • 2019 Subaru WRX STI S209

Specifications

Manufacturer part number
T1R-S05
UPC
842385025304
Shipping weight & size
32.00 lb, 14.1 × 14 × 5.6 in

Documents

Notices

  • WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.