ACT Performance Street Sprung Clutch Disc for 2004-2021 | FFP
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ACT Performance Street Sprung Clutch Disc for 2004-2021 Subaru WRX STI

ACT Performance Street Sprung Clutch Disc. Premium organic, 9.4in (240mm), SFI 1.1. Smooth engagement, quicker shifts. Fits 2004-2021 Subaru WRX STI.

$209.00

Available

Category: SKU: 3000503

ACT Performance Street Sprung Clutch Disc

3000503 — Premium Organic | 9.4″ (240mm) | SFI 1.1 Certified

Quicker Shifts
Reduced marcel design delivers faster shift action — noticeably quicker than stock with smooth, predictable engagement
🔥
High Heat Tolerance
Premium organic composite with high copper content for superior heat transfer and faster recovery from overheating
💪
Steel-Backed Linings
Higher burst strength than standard linings — built for both daily driving and track abuse
🔇
Quiet Operation
Spring-centered assembly with bushings and cone springs provides frictional dampening for reduced noise and improved clutch life

The Most Popular ACT Disc

The 3000503 is ACT’s best-selling performance street disc for good reason. It bridges the gap between stock comfort and race-level performance. The premium organic friction material is blended specifically for high heat tolerance with increased burst strength, meaning faster recovery from hard driving and less wear on mating surfaces.

Street + Track Ready

Unlike race puck-style discs that judder and chatter on the street, the 3000503 delivers smooth daily-driver engagement with the performance headroom for spirited driving and track days. The reduced marcel provides faster shift action to complement ACT pressure plates, while the spring-centered assembly maintains quiet operation.

ACT Difference

ACT’s heat-treated wraparound spring windows provide support and reduce stress concentrations — the most common cause of disc failure in high-performance applications. Combined with steel-backed linings for higher burst strength, this disc is engineered to outlast and outperform.

Specifications

Part Number
3000503
Disc Material
Organic (High Copper Content)
Diameter
9.4″ (240mm)
SFI Certification
1.1
Weight
4.5 lbs
Recommended Use
Street and Race
Engagement Feel
Smooth, OE to Mild Gear Rattle
Warranty
12 Months
UPC
00837055003584

Vehicle Fitment

• 2004-2021 Subaru Impreza WRX STI — All Trims (2.5L H4 Turbo DOHC)
• 2015-2021 Subaru WRX STI — Base, Limited, Launch Edition, HyperBlue, Type RA, S209, Kanrai Edition
• 2007-2009 Subaru Legacy GT spec.B (2.5L H4 DOHC)
🏁 Advanced Clutch Technology (ACT)

ACT’s performance street discs feature premium organic materials engineered for the perfect balance of daily comfort and track capability.

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