Competition Clutch Stage 1.5 Clutch for RSX/06-11 Civic Si

Competition Clutch Stage 1.5 Clutch Kit - 2002-2006 Acura RSX Type-S / 2006-2011 Honda Civic Si

Your stock clutch is slipping on your RSX Type-S or 8th gen Si, but you don't want a leg-day pedal every time you drive to work. That's exactly the spot the Competition Clutch Stage 1.5 is built for. It gives you 40 to 50% more clamping force than the factory clutch while keeping the pedal feeling completely stock. The organic friction material means engagement stays smooth, no chatter, no aggressive grab, nothing that'll make your passengers wonder what you did to the car. You get the extra holding power without turning your daily into a chore.

More Grip, Same Easy Pedal

The whole point of the Stage 1.5 is that you shouldn't have to choose between holding power and a car you can actually live with. Most performance clutches jump straight from stock replacement to "your left leg is now your strongest muscle." This one lands right in the middle. The pressure plate clamps down harder, the organic disc keeps engagement smooth and predictable, and your commute doesn't turn into a workout. If your stock clutch is slipping on hard pulls in third gear, this fixes it. If it's not slipping yet, here's some honest advice: you don't need this, grab an OE replacement and save your money for when you actually do.

Built For Bolt-Ons, Not Boost

Be straight with yourself about your build, because this is where people get it wrong. The Stage 1.5 handles a naturally aspirated K20 with bolt-ons without breaking a sweat. Intake, header, exhaust, a tune, pair it with something like the DC Sports ceramic coated header for the 02-06 RSX Type-S and a cat-back, and you're set. But the second you add boost, you've outgrown it. A turbo or supercharger can spike torque way past what this pressure plate can hold, and a slipping clutch under boost does real damage fast. This isn't a "maybe it'll hold," it's a guarantee that it won't. If forced induction is in your plans, step up to the Competition Clutch Stage 2 Street clutch for the K20A2/Z1/Z3, or the Competition Clutch Rigid Twin Disc for serious power. Buy the clutch that matches your build, not the one you wish you needed.

Civic Si Owners, Read This First

If you've got an 8th gen Civic Si, your factory flywheel will not work with this kit. You have to run the RSX Type-S flywheel, and that's not a suggestion, the clutch physically won't fit right otherwise. So plan for that cost upfront before you order. And no matter which car you're on, resurface or replace your flywheel when you put this clutch in. Bolting fresh friction material against a scored old flywheel is a waste of your money and your afternoon. The Competition Clutch light steel flywheel or the ultra-light flywheel for the K20A2/A3/Z1/Z3 are both good ways to pair this up.

Break It In Or You'll Regret It

Give it 300 miles of easy driving before you lean on it. No hard launches, no slipping it up a hill, no track days. The friction material has to bed into the flywheel face evenly, and if you rush that, you'll end up with hot spots, inconsistent engagement, and a clutch that never quite holds the way it should. Follow the break-in sheet that comes in the box, it's in there for a reason.

What's In The Box

• Performance pressure plate, 40 to 50% more clamping force than stock
• Organic clutch disc with sprung hub for smooth, stock-like engagement
• Throwout (release) bearing
• Pilot bushing
• Alignment tool

Fits These Cars

• 2002-2004 Acura RSX Type-S (K20A2, manual transmission only)
• 2005-2006 Acura RSX Type-S (K20Z1, manual transmission only)
• 2006-2011 Honda Civic Si (K20Z3, manual transmission only)

Does Not Fit

Before you order, make sure your car's actually on the list above, because this kit is K20A2, K20Z1, and K20Z3 only. It will not fit the RSX Base model or any non-Type-S RSX trim, the Honda Accord, the Acura TSX, the Honda CR-V, or the Honda Element. It's also manual transmission only, so automatic cars aren't supported. And one more time, because it's the easiest mistake to make: if you've got a 2006-2011 Civic Si, you must run the RSX Type-S flywheel, since the factory Civic Si flywheel won't work with this clutch.

Note: Competition Clutch Stage 1.5 clutch kit for the 2002-2006 Acura RSX Type-S (K20A2, K20Z1) and 2006-2011 Honda Civic Si (K20Z3), manual transmission only. Includes a performance pressure plate with 40 to 50% more clamping force than stock, an organic clutch disc with a sprung hub for smooth, stock-like engagement, a throwout bearing, a pilot bushing, and an alignment tool. Built for naturally aspirated K-series bolt-on builds only, no turbo or supercharger, as it will slip under boost. The 8th gen Civic Si requires the RSX Type-S flywheel; the stock Civic Si flywheel is not compatible. This kit fits K20A2, K20Z1, and K20Z3 engines only and does not fit the RSX Base or any non-Type-S RSX trim, the Honda Accord, Acura TSX, Honda CR-V, or Honda Element, and does not support automatic transmissions. Resurface or replace the flywheel at install, and complete a 300-mile gentle break-in with no hard launches or track use. For forced induction or higher power, step up to the Competition Clutch Stage 2 Street clutch or Rigid Twin Disc for the K20A2/Z1/Z3. Flywheel and clutch are separate; this is the clutch kit. One kit per order.