Transmission

HARDmotion K-Series EM1 CMC & HD Slave Kit V2.0 "2nd gear grind fix" The HARDmotion 06-11 / 12-15 Civic Si & Acura RSX EM1 CMC & Stainless steel clutch line kit. The kit starts with a OEM EM1 Nissin CMC, the reason for this unit is two...

Exedy Stage 1 Clutch for K-Series Motors The Exedy Stage 1 Clutch kit part #08806 for k-series motors found in the RSX, 06-11 Civic Si, 12-15 Civic Si, TSX and accords. This organic based stage 1 clutch kit is a great replacement for those who are...

Hybrid Racing Short Shifter Assembly V2.0 for the 06-11 Honda Civic (Si & Base Model) Hybrid Racing continues to strive for ultimate performance and reliability so they took the original 06-11 Civic shifter assembly and sent it back to the drawing...

Exedy HF02 Lightweight Flywheel for K-Series The Exedy chromoly lightweight flywheel, one of the highest quality flywheels you can buy. This exedy racing one piece solid billet chrome moly steel is built for all out heavy duty and durable performance...

K-Tuned CMC & Slave Combo w/ Stainless Steel line 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...

Exedy OEM Replacement clutch kit for K-Series Hondas | KHC10 The Exedy OEM KHC10 clutch replacement is the most cost effective and high quality clutch you can get for your vehicle. Not only is the perfect for those with mild naturally aspirated...

Hybrid Racing Shifter Cables 06-11 Honda Civic Si The Hybrid Racing Shifter Cables offer the ultimate in durability and response. With the integrated shifter bushings, stainless steel push rods, swivel support tubes and inner cables. These cables are...

Acuity K-Series Transmission Performance Shifter Select Springs Honda officially calls these the "First-2nd Select Spring" and "Fifth-Sixth Select Spring." They are the parts in your transmission that are (partially) responsible for your shifter...

Acuity Shifter Cable Bushing Upgrade for 06-11 Civic Si & Non-Si Acuity Shifter Cable Bushing Upgrade for the 2012-2015 Honda Civic Si & Non-Si 9th Gen. This upgrade takes the squishy and sloppy oem bushings and replaces it with a high quality...

Hybrid Racing 06-11 Honda Civic Si Shifter Cable Bushing The Hybrid Racing Shifter Cable Bushing 06-11 Honda Civic Si. This special bushing set from Hybrid racing is quite different from the regular full metal bushings that other companies provide...

The K-Tuned Shifter Cables for the 06-11 Honda Civic Si with oem spec build. These cables are an upgrade to the easily prone to stretching oem cables. The cables provide a more precise and solid shift that feels and performs in a more direct way. The oem...

K-Tuned Spherical Shifter Cable Bushing for K-Series The K-Tuned Shifter cable bushings for Honda K-Series Motors. These bushing feature a spherical bushing with a rubber covering. Also rubber o-rings to ensure a tight secure snug fit thats sealed. The...

The K-Tuned Slave Cylinder is a great upgrade for those wanting to increase their clutch system performance and reduce grinding gears. Also perfect to replace leaking or worn out OEM units (generally 60-80k its a good idea to get a new one anyhow). Many...

Acuity Instruments 8th Gen Civic Stage 1 Shift Kit 2006-2011 Honda Civic Si & Non-Si. This upgrade kits gives you an overhaul to everything but the shifter assembly itself. With everything listed here the point of it all is to tighten and improve...

Competition Clutch Lightweight Flywheel for K-Series Hondas The Competition Clutch Forged Lightweight Steel Flywheel for the K-Series Honda engines part # 2-800-ST. This 13lb flywheel is the perfect flywheel for those who want a lightweight flywheel but...

Exedy Stage 2 Clutch for K-Series | 3 & 4 Puck Sport Edition The Exedy Stage 2 Clutch for K-Series motors w/ k20 or k24 engines, part # 08951, 08951P4. This upgraded clutch is capable of handling more power and torque than of course the stage 1...

Acuity 06-11 Honda Civic Adjustable Short Shifter 3-way The ACUiTY Adjustable Performance Shifter for the 06-11 8th Gen Honda Civic is a product of over a year of meticulous design and testing. This shifter stands out among other 8th Gen Civic shifters...

Fidanza Lightweight Aluminum Flywheel for K-Series | 191471 The lightweight aluminum / steel hybrid flywheel from Fidanza for the K-Series motors. These Fidanza flywheels are built with tons of technology and although they are aluminum base, the...

Hybrid Racing Maxim Shift Boot Collar - Red or Black Do you want to change the knob on your car's gear shifter but don't like how the boot around it looks loose afterward? We've got the solution! Our two-piece shift boot collar can replace the part that...

ACT K-Series Flywheel Civic RSX TSX "Excellence in Performance", backed by the best one-year warranty in the industry! XACT Flywheel Streetlite Noticeably improved engine response and acceleration, OE to mild gear rattle; Heat-treated forging for...

Clutchmaster Lightweight Steel Flywheel for K-Series FW-037-SF The Clutchmaster "FW-037-SF" Lightweight Steel Flywheel for K-Series applications (see below fitment options). This 4140 Billet Steel flywheel is built to be lightweight while strong enough...

Competition Clutch Stage 4 Clutch Kit 06-11 Honda Civic Si The Stage 4 competition clutch for the 2006-2011 Honda Civic Si K-Series is an excellent kit and handling a pretty serious amount of power via its 6 puck clutch. The large amount of pucks help...

Exedy Twin Disc Hyper Compe-R Clutch for K-Series | HM032SBL The Exedy Hyper Compe-R Racing Series Clutch for K-Series motors part # HM032SBL. The Hyper Double or Hyper Twin clutch is exedys top clutch for the k-series motor able to handle an...

Acuity 06-11 Honda Civic Adjustable Short Shifter 1-way The ACUiTY Adjustable Performance Shifter for the 06-11 8th Gen Honda Civic is a product of over a year of meticulous design and testing. This shifter stands out among other 8th Gen Civic shifters...

Acuity Base Bushings 06-11 Civic | 8th Gen Civic (manual trans) Introducing Acuity Base Bushings for 8th Gen Civic (06-11) | Enhanced Shift Performance! Upgrade your shifting experience with the Acuity Base Bushings designed specifically for most Honda...

FX400: 6-puck Ceramic Sprung Hub Steel Backed Clutch 2012-2015 Honda Civic Si Power & Characteristics: Clutch is built for mid-high boost turbo & supercharger applications. More capacity than the FX350, Engagement will be more fast and...

Comp Clutch K-Series 06-11 Civic si / 12-15 civic si / RSX / TSX / ILX - Organic Sprung Clutch Kit w/ Flywheel This organic clutch kit from competition clutch, offers many benefits and ease of install with a full kit including flywheel. Works with every...

Hybrid Racing Maxim Shift Boot Collar - Titanium Do you want to change the knob on your car's gear shifter but don't like how the boot around it looks loose afterward? We've got the solution! Our two-piece shift boot collar can replace the part that...