Clutch Masters FX400 8 Puck Single Disc Clutch Kit 06-09 Legacy / 04-21 STI | 170% Holding Capacity | High-Performance Clutch Kit
Overview
The Clutch Masters FX400 8 Puck Single Disc Clutch Kit is engineered for Subaru Legacy (2006-2009) and WRX STI (2004-2021) models, delivering a substantial 170% increase in holding capacity over stock clutches. Designed for both aggressive street driving and road or drag racing, this clutch system balances extreme durability with street-friendly engagement. Featuring a sprung ceramic disc with eight pucks, it offers a less aggressive engagement compared to the 6-puck variant, making it ideal for enthusiasts seeking high torque capacity without sacrificing drivability.
Built around the Power Plus I heavy-duty pressure plate and a custom ceramic disc, the FX400 kit emphasizes rapid heat dissipation and long service life under demanding conditions. The sprung hub design provides moderate dampening to reduce drivetrain shock and chatter, a critical feature for Subaru owners who want race-level performance without the harshness of solid disc setups. Clutch Masters’ focus on premium ceramic friction material ensures consistent engagement and durability, setting this kit apart in the high-performance clutch market.
For Subaru drivers pushing their Legacy or STI beyond stock power levels, this clutch kit offers reliable holding strength and quick engagement essential for spirited driving and track use. The 8-puck configuration minimizes chatter and provides smooth operation, making it a practical upgrade for those who want race-capable performance with street manners. This clutch kit is a key component for maximizing power transfer and maintaining drivetrain reliability in high-torque Subaru builds.
Features & Specifications
This Clutch Masters FX400 8 Puck Single Disc Clutch Kit is engineered specifically for 2006-2009 Legacy and 2004-2021 WRX STI platforms and features a heavy-duty sprung ceramic disc with eight pucks. Constructed from premium ceramic friction material and a high-leverage pressure plate, it delivers exceptional holding capacity and durability for Subaru enthusiasts seeking extreme duty street and racing performance.
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Brand: Clutch Masters
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Product: FX400 8 Puck Single Disc Clutch Kit
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Part Number: 15017-HDCL
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Fitment: 2006-2009 Legacy / 2004-2021 STI
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Material: Ceramic Friction Disc, Heavy-Duty Steel Pressure Plate
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Finish: Natural metal finish
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Construction: Sprung hub, segmented 8-puck ceramic disc
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Origin: Not specified
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Holding Capacity Increase: 170%
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Disc Type: Sprung hub, ceramic 8-puck
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Engagement: Street-friendly, rapid and smooth
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Tuning Required: Recommended for high-torque applications
Key Benefits
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Performance: Significantly increased holding capacity supports high-torque builds and aggressive driving styles.
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Durability: Premium ceramic friction material and heavy-duty pressure plate ensure long-lasting clutch life under demanding conditions.
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Engagement: Sprung hub design provides smooth, rapid engagement with minimal chatter, ideal for street and race use.
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Fitment: Direct fit for 2006-2009 Legacy and 2004-2021 WRX STI, ensuring reliable installation and compatibility.
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Heat Dissipation: Ceramic disc construction promotes rapid heat dissipation, reducing fade during spirited driving or track sessions.
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Street Friendliness: Less aggressive 8-puck design balances performance with daily drivability, avoiding harsh engagement typical of solid discs.
What's Included
- 1× Clutch Masters FX400 8 Puck Single Disc Clutch Kit
- Heavy-Duty Power Plus I Pressure Plate
- Sprung Ceramic 8-Puck Clutch Disc
- OEM or Better Release Bearing
- Pilot Bearing (if applicable)
- Alignment Tool
- Instruction Card
- Decals
Installation & Compatibility
Installation of the FX400 clutch kit requires moderate mechanical skill and standard clutch replacement tools. While the kit is a direct fit for specified Legacy and WRX STI models, professional installation is recommended to ensure proper clutch alignment and hydraulic system setup. No major modifications are necessary, but tuning and break-in procedures should be followed to maximize clutch life and performance. This clutch is designed for vehicles with upgraded power levels and may not be suitable for stock or near-stock applications due to its aggressive engagement characteristics.
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Professional Installation: Recommended
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Modifications Required: None
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Verify Compatibility: Confirm fitment for your specific year and trim level
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