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ACT Monolock Wedge Collar Evo VIII-IX Evo X WRX & STi

ACT Monolock Wedge Collar Evo VIII-IX Evo X WRX & STi

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On sale: $65.00
Retail Price:$85.00
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Part Number:ACT-884006P

ACT Monoloc Two-Piece Wedge Collar for Pull-Type Clutches.

- Evo VIII-IX
- WRX & STi
- Evo X* (Not for stock clutch.)

Note for Evolution X 4B11:
This Monoloc only fits ACT or aftermarket plates with crimp type design. For OEM snap ring design, you need 884007P which is in development and will be released soon!

Monoloc is a direct replacement and upgrade to the two-piece wedge collar in pull-type clutches for the Mitsubishi Evo, Subaru WRX, Subaru WRX STi and Mazda RX-7. Its one-piece construction eliminates the collar snap ring from bending or popping out of place, which typically leads to clutch failure or severe pressure plate damage.

"The problem usually occurs during racing or 'enthusiastic driving,' " Dirk Starksen, ACT president and lead engineer on the Monoloc project, said, "The snap ring of the wedge collar sometimes pops out of place and doesn't seat back into the release bearing. This causes the snap ring to bend and the clutch to stop working."

Monoloc fixes these issues. The spring tension of the segmented retaining ring has been carefully calculated and tested for optimal performance. The one-piece wedge collar provides uniform loading on the bearing and pressure plate to assure proper alignment, regardless of driver influence or vehicle modifications. In addition, Monoloc's hardened, Chromoly steel construction will provide years of service.

Monoloc can serve as a upgrade feature for pull-type pressure plates using a standard wedge collar design and is available separately, exclusively from ACT. It installs just like stock. Also, it is featured in a growing list of several newly-developed pull-type pressure plates available from ACT and distributors.
884006P

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