ACT 4-Puck Rigid Race Disc Subaru WRX 2002-2017 / Legacy GT 2005-2012 | 4228018

ACT
SKU: act4228018
Availability: Out Of Stock
Type: Drivetrain Clutch Discs / Replacement Parts
Regular price
$129.00
Regular price
$166.00
Sale price
$129.00
Instant Discount

Regular Price: $166.00 - Instant discount: $37.00 = $129.00

Subtotal: $129.00
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Fitment Information:

2002-2017 Subaru WRX

2005-2012 Subaru Legacy GT

2005-2009 Subaru Outback XT

2004-2008 Subaru Forester XT

Note: Subaru has incorporated 240mm clutch components into production during mid-2018MY production starting with VIN J*806877. ACT discs are not compatible with the revised OEM components. 

Features:

ACT 4-Puck Rigid Race Disc Subaru WRX (4228018) is a 4-pad rigid race disc made with high quality, ceramic friction materials. The disc engagement is harsher, but shifting is faster. The race disc features top grade rivets to securely fasten the part together. The rivet design and materials are carefully selected for maximum strength. The 4-pad rigid race disc is well-suited for the smaller disc sizes in smaller engines.

  • Feel - Aggressive engagement, quickest shifts, increased gear rattle
  • Recommended Use - Recommended for race use only
  • ACT Difference - High burst strength and holds 28% more torque than typical organic materials

FAQ:

Can an ACT Race puck-style disc be used for daily driving, and is it recommended?ACT's race discs are very aggressive and provide no-nonsense performance response. As a result, the engagement is harsh. Taking off from a stop can cause judder and/or an uncomfortable noise. These characteristics have no effect on the performance on the clutch or the drive line components. This type of disc should only be used in a professional race setting and never on the street. ACT always recommends using an organic disc on the street because it offers a smoother engagement and a longer lasting performance value for everyday drivers.

When should a clutch disc be replaced?

The majority of new discs measure .312-.315” (7.93 – 8.00mm) thick – fully worn is .275” (7.00mm) or below. A few applications (mostly Audi and BMW) start out at .332 - .335” (8.43 – 8.50mm). These are to be replaced when below .295” (7.50mm). It’s best to measure with a micrometer. Puck discs are measured as-is, where organic street discs are correctly measured by fully compressing the engagement cushion (marcel) between the linings. If the lining rivets on either side of the disc have made contact with the flywheel or pressure plate face, the disc must be replaced. Note: Using a disc that is thicker or thinner than the working range the pressure plate is designed for will have varying, and often very poor, results.

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