PRODUCT DETAILS
Clutch Masters Billet Clutch Master Cylinder - 2022-2026 Civic Si & 2023-2026 Civic Type R
Honda's been building affordable, reliable, seriously fun front-drivers for decades, and the 11th gen Civic Si and FL5 Type R are some of the best they've ever made. But Honda also had to build these for the masses, which means they softened up the clutch hydraulics with creature comforts that leave the pedal feeling vague and disconnected. If you've ever mis-shifted because you couldn't quite feel where the clutch was grabbing, that's why. This Clutch Masters billet master cylinder fixes it. It's a complete plug-and-play kit that sharpens up your clutch feel and gives you back the direct, connected pedal these cars should've had from the factory.
The Real Reason To Run This: Deleting The Fluid Damper
Here's what actually makes the difference, and it's the thing spec sheets never explain. Your factory master cylinder has a clutch fluid damper built into it, and that damper is exactly what makes your pedal feel mushy and numb. It's there to keep things smooth and quiet for the average driver, but for anyone who actually drives the car, it kills the feedback you need. This kit deletes that damper entirely. The moment you do, the pedal wakes up. You can suddenly feel where the clutch is engaging and disengaging, which means fewer mis-shifts, faster shifts, and a car that finally feels connected to your left foot instead of guessing for you.
Built Right, Built To Last
This is a billet aluminum master cylinder with a 0.700-inch bore, machined to precise standards so it bolts in with perfect fitment and holds up to hard, aggressive driving. It restores proper hydraulic pressure and control to your clutch system, whether you're upgrading a car that's otherwise healthy or replacing a worn-out factory unit that's gone soft. It's the kind of part you install once and stop thinking about, because it just works and it's built to keep working.
A Complete Plug-And-Play Kit
This isn't a bare cylinder that leaves you sourcing fittings. Everything you need is in the box, and it works with your OEM slave cylinder right out of the gate. Here's what you get:
- Clutch Masters billet aluminum clutch master cylinder (0.700" bore)
- 3AN stainless steel line (two-piece, so you can add a Flow Control Valve now or later)
- Fittings and hardware
- Billet aluminum master cylinder adapter
- Adapter jam nut and jam nut tool
- Billet clutch pedal clevis
- Custom billet aluminum fitting to adapt the stainless line to the OE slave cylinder
- New rubber feed line
Make It Your Own: Three Accent Colors
Since this cylinder sits right there in your engine bay, Clutch Masters offers it in three accent colors so it looks the part. Go with black for a clean, stealthy look, red for the classic sporty pop, or violet if you want something that stands out from every other build. Same performance across all three, so it's purely about how you want it to show under the hood.
Want To Take It Further?
This kit is a great upgrade on its own, but it's also the foundation for a fully sorted hydraulic clutch system, and it's worth knowing your options before you install. Two things worth understanding:
Your OEM slave cylinder has a clutch delay valve built into it, and a lot of people remove that too for the most direct, connected feel possible, so you can sense exactly when the clutch releases and grabs. If you'd rather upgrade the whole system at once, adding one of our internal hydraulic release bearings eliminates the stock slave cylinder entirely and gives you a complete performance hydraulic setup, often saving money over doing it piecemeal.
On the flip side, this kit removes the factory restrictors and fluid accumulators, which gives you a very direct, immediate engagement. If that's more abruptness than you want, adding one of our Flow Control Valves lets you tune some give back into the clutch release. It's still far less numb than the factory delay valve, so you get tunable feel without going back to mushy.
Fits Your Civic
This kit fits the 2022-2026 Honda Civic Si with the 1.5L turbo and the 2023-2026 Honda Civic Type R (FL5) with the 2.0L, both running the 6-speed manual. If you've got a manual 11th gen Si or an FL5 Type R, this is the master cylinder upgrade for it.
Who Should Run This Master Cylinder
This is for the Si or Type R owner who actually drives their car and is tired of a clutch pedal that feels soft and disconnected. Whether you're chasing sharper shifts on a spirited backroad, cleaning up your engagement at the track, or just replacing a tired factory cylinder with something far better, this kit transforms how the clutch feels. Pick your color, bolt it in, and finally feel your clutch the way you should.
Fits: 2022-2026 Honda Civic Si (1.5T) and 2023-2026 Honda Civic Type R (FL5, 2.0T), 6-speed manual. Part number: MC08222. Bore: 0.700" billet aluminum. Key benefit: deletes the factory clutch fluid damper for dramatically improved pedal feel. Colors: black, red, or violet. Compatibility: works with the OEM slave cylinder. Type: complete plug-and-play kit, all fittings and hardware included.
2022-2026 Honda Civic Sport/Sport Touring
2022-2026 Honda Civic Si
2023-2026 Honda Civic Type R
(1) Clutch Master Cylinder
(1) -3 AN Stainless Steel Clutch Line
(1) Adjustment Wrench
(1) Cotter Pin
(1) Rubber Hose