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.
ACT Performance Street Sprung Clutch Disc
3000503 — Premium Organic | 9.4″ (240mm) | SFI 1.1 Certified
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
3000503
Organic (High Copper Content)
9.4″ (240mm)
1.1
4.5 lbs
Street and Race
Smooth, OE to Mild Gear Rattle
12 Months
00837055003584
Vehicle Fitment
ACT’s performance street discs feature premium organic materials engineered for the perfect balance of daily comfort and track capability.
Related products
Available
$96.00
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