Honda Clutch Upgrade: Single Disc vs Ceramic for Civic Si and Type R
By PRL Motorsports - Premium Automotive Performance Products | Published: 2026-10-28
Category: Comparisons
Compare ACT's single disc clutch for the FK8 Civic Type R with Comp Clutch's ceramic kit for the Civic Si. Find the right upgrade for your power goals and driving style.
Quick Answer
For a 2017-2021 Civic Type R, choose ACT's single disc clutch for a proven upgrade that handles serious power. For a 2006-2015 Civic Si, Comp Clutch's ceramic kit offers aggressive engagement and up to 250% more torque capacity.
Why the clutch choice depends on your platform
The 10th-gen Civic Type R and the 2006-2015 Civic Si are very different platforms. The Type R's stock clutch is already strong, but once you push power beyond OE limits, you need a disc that can hold the torque without sacrificing drivability. The Civic Si, on the other hand, benefits from a more aggressive ceramic disc that engages firmly and handles higher horsepower builds.
Engagement feel and daily driving trade-offs
ACT's single disc design is a popular choice because it maintains a more familiar pedal feel while increasing clamping force. It's a balanced upgrade for drivers who want more headroom without a harsh, on-off engagement. Comp Clutch's six-puck ceramic disc is built for penetrating engagement, which is great for performance but can be less forgiving in stop-and-go traffic.
Clutch Upgrade Trade-offs
- Single disc vs ceramic: Single disc clutches like ACT's offer a more progressive engagement and are easier to daily drive. Ceramic discs like Comp Clutch's provide firmer, more aggressive engagement, which is better for track use but less forgiving in traffic.
- Torque capacity: Comp Clutch's ceramic kit boosts torque capacity by up to 250%, making it ideal for serious power builds. ACT's single disc is a robust upgrade, but its exact torque rating isn't specified, so verify it matches your power goals. Confirm the torque rating of the ACT clutch for your specific power level before buying.
- Break-in requirements: Comp Clutch recommends a 300-mile break-in period. ACT's clutch also benefits from a break-in, but follow the manufacturer's instructions to ensure proper seating and longevity. Plan for a break-in period with either clutch to avoid premature wear.
Product Facts
- ACT 2017-2021 Honda Civic Type-R FK8 Single Disc Clutch Upgrade: Fits all 2017-2021 Civic Type R variants, including RHD and international models. You can install this clutch with confidence regardless of your market, and it's designed to handle the Type R's power as you upgrade.
ACT 2017-2021 Honda Civic Type-R FK8 Single Disc Clutch Upgrade - Comp Clutch 2006-2015 Civic Si Stage 4-6 Pad Ceramic Clutch Kit: Comp Clutch's kit includes a six-puck sprung plate and a performance pressure plate, providing up to 250% increase in torque capacity. This kit is built for higher horsepower applications, but the aggressive engagement means you should expect a firmer pedal and a 300-mile break-in period.
Comp Clutch 2006-2015 Civic Si Stage 4-6 Pad Ceramic Clutch Kit
Which Clutch Fits Your Build?
Best for
- 2017-2021 Civic Type R owners who want a reliable upgrade with a more OEM-like pedal feel
- 2006-2015 Civic Si owners with high horsepower builds who want aggressive engagement and maximum torque capacity
Not for
- Civic Si owners who prioritize daily comfort and smooth engagement over maximum performance
- Type R owners who need a clutch with a published torque rating for extreme power levels
