HARDmotion K-Series Performance Slave Cylinder

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  • HARDmotion K-Series Performance Slave Cylinder
  • HARDmotion K-Series Performance Slave Cylinder
  • HARDmotion K-Series Performance Slave Cylinder
  • HARDmotion K-Series Performance Slave Cylinder


The HARDmotion K-Series Performance HD Slave Cylinder

Improve shifts, faster shifts and reduce 2nd gear grind and lockout issues. This high performance "Heavy Duty" slave cylinder features no clutch delay valves and upgraded internals to provide the proper shifting during fast high rpm shifting.
We recommend pairing this with our em1 CMC and stainless line if you dont already have it to complete your system and have a fresh new part thats built to perform and last. This is superior to removing an oem clutch delay valve due to using fresh new unworn parts and the upgraded internals that are built to not have a delay valve what so ever. This unit is faster, better and more reliable than any slave unit we have tested in our race vehicles. Perfect for the street or track, this slave unit not only solves shifting issues, it is a performance upgrade!

"Guaranteed to work or your money back, simple as that. If this product doesnt fix your problems, or doesnt last we will replace it for free! 100% satisfaction!" -- HARDmotion Team

06-11 Civic Si
12-15 Civic Si
02-06 RSX

Warranty: 1 Year


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7 Reviews

  • 5

    Great parts!!

    Posted by Mike Carter on Mar 17th 2024

    Super parts and prices! Excellent customer service!!

  • 5

    Slave cylinder

    Posted by Jason Bosman on Jun 20th 2021

    Impressed with the design and build quality, probably how it should have been from Honda. Recently installed a Stg 2 clutch and literally exploded an oe replacement Slave Cylinder in one 1/4 mile pass. This HARDmotion slave has made several improvements from pedal feel to shifting smoothness. This is simply one of those Needed parts in a performance build.

  • 5

    Game changer!!!!

    Posted by Justin C. on Aug 23rd 2019

    I replaced mine because it started to leak. I put the new Hardmotion slave cylinder in and WOW!!! What a huge difference! Bang 2nd gear with no fear now lol. Stiffer feel on the clutch pedal and just shifts better. Now to move on to replacing the shifter bushings on transmission and under shifter base. Thanks guys!!

  • 5

    Great Product

    Posted by Adam Karr on May 24th 2018

    The product works great and the installation was simple. I'm very happy with the quality and customer service as well. Highly recommended to anyone wanting to do a CDV delete without the hassle or just replace their old/worn OEM slave.

  • 5

    Must have, best slave.

    Posted by k20 civic on Sep 1st 2017

    This is the best one by far, tried them all. Now my car actually shifts properly.

  • 5

    My K-Tuned failed...

    Posted by JARAD K24 on Aug 12th 2017

    My K-Tuned unit failed, got another and it failed. So HARDmotion told us about their unit...installed, everything is better and after 6 months still working perfect. They stand by their products and were the ones who told me all about this being the problem for shifts. Def suggest grabbing their em1 cmc as well!

  • 5

    The best.

    Posted by Brett on Jun 14th 2017

    Solved my shifting problems. Combined this with the hardmotion cmc and stainless line. Best mod!

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