-15%
Click to zoom in
SKU: 08240-HRFF-SK
Clutch Masters 2012-2015 Honda Civic Si 2.4L 6-Spd FX350 High Rev Sprung Clutch Kit w/ Flywheel *Req FlashPro
Upgrade your 2012-2015 Honda Civic Si 2.4L K24Z7 6-speed with the Clutch Masters FX350 High Rev Sprung Clutch Kit that includes a chromoly flywheel. This assembly handles up to 500 ft-lbs torque for turbo or supercharged builds while delivering smooth engagement for daily drives. High rev components enable shifts beyond 9000 RPM when paired with Hondata FlashPro ECU tuning.
Key Features
- FX350 Pressure Plate: Heavy duty diaphragm design clamps 70 percent more torque than stock for reliable power handling up to 500 ft-lbs in boosted applications
- Sprung Hub Disc: 6-spring rigid sprung disc with premium organic material delivers smooth shifts and resists slippage under high load
- High Rev Hub Assembly: Reinforced single mass hub built for 9000+ RPM operation in tuned K24Z7 Civic Si engines
- Chromoly Steel Flywheel: 24-lb lightweight design cuts rotational mass for faster revs and sharper throttle response
- Complete Kit Contents: Pressure plate, disc, throwout bearing, pilot bushing, alignment tool for direct bolt-on installation
Product Notes
- Requires Hondata FlashPro ECU tuning to increase rev limiter beyond factory 7400 RPM
- Built for street and track with break-in period advised for best bedding results
- Ships in protective packaging with 28.6 lbs weight and 16 x 14 x 8 inch box dimensions
Installation Notes
- Professional installation recommended.
- Flash ECU with Hondata FlashPro before first drive for safe rev limits
- Compatible with OEM slave cylinder and hydraulic system no extra parts needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2013-2014 | Acura | ILX | Base |
| 2009-2013 | Acura | TSX | Base |
| 2012-2013 | Acura | TSX | Special Edition |
| 2013-2014 | Honda | Accord | EX |
| 2013-2014 | Honda | Accord | EX-L |
| 2013-2014 | Honda | Accord | LX |
| 2013-2014 | Honda | Accord | LX-S |
| 2013-2014 | Honda | Accord | Sport |
| 2012-2015 | Honda | Civic | Si |
Why Choose Clutch Masters?
- Over 30 years engineering performance clutches for Honda K-series engines
- Manufactured in USA with premium materials for consistent durability
- Tested on dyno and race track for reliable power transfer in real conditions
Frequently Asked Questions
-
Q: Will this kit fit my 2014 Honda Civic Si?
A: Yes fits all 2012-2015 Honda Civic Si 2.4L K24Z7 6-speed models as direct bolt-on replacement -
Q: What friction material does the disc use?
A: Premium high-temp organic compound offers smooth shifts heat resistance to 650 degrees F and extended service life -
Q: What warranty coverage applies?
A: Limited lifetime warranty on pressure plate and disc against defects when installed by certified shop
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure double-wall box 16 x 14 x 8 inches
- Weight: 28.6 lbs
Clutch Components
A performance clutch system is one of the most impactful drivetrain upgrades available for any manual transmission vehicle. From street-friendly organic disc kits to heavy-duty ceramic setups built for drag racing and track use, matching the right clutch components to your power level and driving style keeps engagement consistent and power transfer reliable.Popular UpgradesStage 1 and Stage 2 clutch kits with upgraded pressure plates and organic or hybrid friction discs are the most popular choice for street builds making 300 to 500 horsepower. Stage 3 and Stage 4 ceramic or Kevlar disc setups handle the demands of forced induction or high-compression builds. Lightweight aluminum flywheels paired with upgraded clutch kits improve rev response and make gear changes faster on both street and track applications.What clutch stage do I need for my build?Stage 1 clutches are rated for lightly modified street engines up to about 350 horsepower. Stage 2 kits cover 350 to 500 horsepower with...
View Clutch Components Products
Clutch Kits - Single
Single-disc clutch kits provide everything needed to replace the core friction components in a manual transmission system in one box. A disc, pressure plate, and release bearing shipped together as a matched kit eliminates the guesswork of sourcing compatible parts separately and ensures consistent performance from break-in through the life of the clutch.Popular UpgradesStage 1 organic single-disc kits are the best choice for street-driven vehicles at stock or lightly modified power levels, offering a smooth pedal feel close to OEM. Stage 2 kits using a high-clamp pressure plate and a sprung-hub organic disc are the most popular upgrade for modified street engines in the 300 to 500 horsepower range. Stage 3 ceramic single-disc kits handle forced induction builds where heat resistance and torque capacity are the primary requirements.What does a single-disc clutch kit include?A single-disc clutch kit typically includes one friction disc, one pressure plate assembly, and one release be...
View Clutch Kits - Single Products
Clutch Masters
Shop Clutch Masters at Black Ops Auto Works for performance clutch kits, FX100, FX250, FX300, FX350, FX400, FX700, FX850, FX1000 clutch systems, single disc clutches, twin disc clutches, multi-disc clutch kits, aluminum flywheels, steel flywheels, hydraulic release bearings, slave cylinders, master cylinder upgrade kits, clutch lines, rebuild kits, friction discs, and manual transmission drivetrain upgrades. This collection is built for street cars, track cars, turbo builds, daily drivers, high-horsepower applications, and enthusiasts who need stronger clutch engagement, better torque capacity, and reliable power transfer. Use this Clutch Masters collection to find the right clutch upgrade by vehicle platform, power level, torque rating, disc material, flywheel type, and driving style. Organic and fiber clutch kits are strong options for street use, ceramic and puck-style clutches support higher heat and power, twin disc and multi-disc systems support more aggressive builds, and lig...
View Clutch Masters Products
Drivetrain
Shop drivetrain parts and accessories at Black Ops Auto Works for differentials, axles, driveshafts, clutch kits, flywheels, flexplates, shifters, transmission components, ring and pinion gears, differential braces, differential bushings, wheel hubs, wheel bearings, U-joints, valve bodies, transmission coolers, drivetrain mounts, and performance driveline upgrades. This collection is built for street cars, drag cars, track builds, trucks, Jeeps, SUVs, high-horsepower Mopar builds, imports, European performance vehicles, and off-road applications that need stronger power delivery, durability, and reliability. Use this Drivetrain collection to find the right upgrade by vehicle platform, drivetrain layout, transmission type, power level, and product category. Differentials and ring and pinion gears support traction and gearing changes, axles and driveshafts help transfer power, clutch kits and flywheels improve manual transmission performance, transmission coolers and valve bodies supp...
View Drivetrain Products