Overview
The ACT Monoloc One-Piece Wedge Collar replaces multi-piece factory wedge collars on pull-type clutches found in Subaru WRX STI 6-speed transmissions and Mitsubishi Evolution VIII/IX platforms. Its unified spring-steel architecture delivers secure release bearing locking, preventing premature release failure under heavy loads and competitive driving.
Features
- Single-piece spring steel construction eliminates multi-piece retaining ring failures
- Precision machined to exact tolerances for positive lock onto the release bearing
- Hardened chrome-moly alloy with protective black oxide surface treatment
- Provides consistent release bearing disengagement without pedal fade or hang-up
- Compatible with factory OEM and ACT pull-type clutch assemblies
Vehicle Fitment
- 2004-2021 Subaru Impreza WRX STI (6-Speed Manual EJ257)
- 2003-2006 Mitsubishi Lancer Evolution VIII / IX (5-Speed & 6-Speed 4G63T)
ACT Monoloc One-Piece Wedge Collar - Subaru WRX STI / Mitsubishi Lancer Evolution (884006P)
ACT Monoloc One-Piece Wedge Collar - Subaru WRX STI / Mitsubishi Lancer Evolution (884006P)
SKU:ACT 884006P
In stock
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Shipping & Returns
Shipping charges are non-refundable.
30-day return window from delivery. Items must be unused, uninstalled, and in original packaging with tags/seals intact. Installed, modified, or used parts (including wheels and tires) can't be returned. Open-box, clearance, and overstock items are final sale.
A restocking fee may apply.
Please contact us for return authorization before shipping anything back.
Vehicle Fitment
- Subaru Impreza WRX STI GDB (2004-2007)
- Subaru Impreza WRX STI GR/GV (2008-2014)
- Subaru WRX STI VA (2015-2021)
- Mitsubishi Lancer Evolution IX (2005-2006)
