QSC Quality Specialty Components 

QSC Stage 3 Clutch Kit Flywheel w/o Slave for 370Z G37 VQ35HR VQ37VHR 3.7L

$ 370.00
Part# K021S3F0

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QSC Stage 3 clutch kit is designed for high horsepower street or race application. It provides an aggressive engagement and low to moderate gear rattle. Our clutch systems are engineered to deliver high performance while maintaining durability, and they can be easily installed without modification. This Stage 3 clutch kit includes a heavy-duty pressure plate, premium ceramic disc, chromoly flywheel, throw out bearing, alignment tool, and pilot bearing

Pressure Plate

QSC pressure plates are engineered to maximize the clutch life. The clamp loads are 35% to 60% higher than stock. The diaphragms of each pressure plate endure a four stage heat treated process to improve tension strength while preserving the structural integrity. All QSC pressure plates are CNC precision machined and computer balanced to ensure smooth operation. Each pressure plate also features heavy-duty drive straps and rivets to secure the contact face.

Clutch Disc

QSC 6 puck clutch disc is made of ceramic pads with high coefficient of friction. It enables quick engagement and performs reliably for extreme duty friction applications. The 6 spring designs also boosts the overall power and durability of the disc. This 6 puck disc is engineered to deliver high torque and holding capacity, and it is ideal choice for the serious enthusiasts.


QSC forged flywheels are made of high quality chrome-moly steel. They are stronger, lighter, and more heat and corrosion resistant than stock. Our flywheels are engineered to reduce MOI (Moment of inertia) and thus provide a better engine response. They are also designed to increase air flow to enhance the overall thermal performance of the clutch system. All of our flywheels are CNC machined to ensure perfect balancing and to provide a flat surface for clutch disc bedding. In addition, the surface of the flywheels is designed to fit any kind of clutch disc material, ranging from organic to ceramic. All of the above make QSC flywheel an ideal choice for street or track applications**



  • 07 - 08 Infiniti G35 (3.5L 6cyl VQ35HR)
  • 09 - 13 Infiniti G37 (3.7L 6cyl VQ37VHR)
  • 07 - 09 Nissan 350Z (3.5L 6cyl VQ35HR)
  • 09 - 17 Nissan 370Z (3.7L 6cyl VQ37VHR)



  • Pressure plate material: Cast Iron
  • Clutch Disc material: Premium ceramic friction materials
  • Torque Capacity: 475 ft-lbs
  • Horsepower: 535HP
  • Flywheel weight: 18lbs
  • Flywheel material: Forged Steel


Features Highlights

Pressure Plate

  • Four stage heat treating process performed on all diaphragms to increase clamp load while maximizing clutch life
  • CNC Precision machined and computer balanced
  • Strong drive straps and rivets for smooth operation
  • Reduced vibration while at high rpm

Clutch Disc

  • Made of premium ceramic friction materials
  • Extended clutch life
  • Higher torque delivery and acceleration than stock


  • Reduced MOI (Moment of inertia) to provide enhanced torque and acceleration
  • Increased airflow for clutch cooling
  • CNC Precision machined and computer balanced



6-month warranty


**Professional installation is recommended

**A break-in period of 500 miles is required after the installation

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