K-Tuned Master Cylinder and Clutch Line Kit

K-Tuned Master Cylinder and Clutch Line Kit
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    5 out of 55 out of 55 out of 55 out of 55 out of 5 2 reviews


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    The 2002-2006 RSX, 2002-2005 EP3, 2006-2011 8th Gen Civic Si, 2012-2015 Civic Si, and 2004-2008 Acura TSX all have a known issue with their factory clutch master cylinders (CMC). If you look at the CMC on these cars more closely, you'll notice that all of these models have a triangular shaped feedback plate positioned at the very end of the cylinder. This plate is basically a secondary valve that was designed to slow down the clutch engagement and reduce shock to the clutch itself and the surrounding drivetrain parts. This setup might be perfectly fine for people that just drive their cars for simple daily use, but the delayed engagement can cause wear to the synchros and possibly even the gears on performance applications. The reason is fairly simple, the factory CMC delays the clutch operation, so it does not open fast enough to keep up with a fast shift. This means that pressure is being applied to the transmission synchros during the shift, before they are ready for the actual gear change.

    The K-Tuned Clutch Master Cylinder Upgrade Kit was designed to completely replace the original factory cylinder and offer real time clutch engagement to support faster shifting. We have put together a complete bolt-on kit that includes a direct replacement CMC, our high pressure 3AN clutch line, plus all of the necessary fittings needed for installation. The factory clutch fluid reservoir is reused and connected the same way it was in stock form. The only thing we suggest is checking out your slave cylinder on the trans to confirm it is leak free. Aside from that, installation is pretty simple, install the parts and bleed the system using some new clutch fluid.


    • Part Number: KTD-CLK-RSX
    • Manufacturer: K-Tuned

    Vehicle Fitment

    Acura RSX
    2002 Acura RSX Type-S
    2003 Acura RSX Type-S
    2004 Acura RSX Type-S
    2005 Acura RSX Type-S
    2006 Acura RSX Type-S
    2002 Acura RSX Manual
    2003 Acura RSX Manual
    2004 Acura RSX Manual
    2005 Acura RSX Manual
    2006 Acura RSX Manual
    Acura TSX
    2004 Acura TSX All
    2005 Acura TSX All
    2006 Acura TSX All
    2007 Acura TSX All
    2008 Acura TSX All
    Honda Civic
    2002 Honda Civic Si Hatchback
    2003 Honda Civic Si Hatchback
    2004 Honda Civic Si Hatchback
    2005 Honda Civic Si Hatchback

    2 reviews for K-Tuned Master Cylinder and Clutch Line Kit

    5 out of 55 out of 55 out of 55 out of 55 out of 5

    5.0 out of 5.0

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    5 out of 55 out of 55 out of 55 out of 55 out of 5

    10/8/2016 by Raj

    Must Have For DC5 Owners

    Bought the K-Tuned CMC to replace my OEM CMC which was giving me trouble engaging into gears smoothly after installing and adjusting pedal engaging gears is like butter wish car came with this CMC from factory

    5 out of 55 out of 55 out of 55 out of 55 out of 5

    8/6/2016 by M. Benjamin David

    Clutch issues solved!

    I had the Exedy Stage 1 Organic clutch and HF02 lightweight flywheel installed by a cheap mechanic (ugh). I had problems, I replaced the CMC with a cheap ('01 Civic) auto parts store knockoff and a Honda slave cylinder. After this I found there was a leak in one of the clutch lines. I replaced all the clutch lines with new Honda lines. The clutch was still erratic, no firm engagement point, always changing, sometimes spongy, finally found there was a tiny leak in the cheap CMC. This kit solved all issues, the one clutch line is just the right length to go from the CMC to the slave. I finally have a firm engagement point and consistency with the clutch, and loving it! (Been using it a couple weeks now.) I highly recommend this kit if you go with a Stage 1 or other racing clutch.