SKU: 37990315070

QSC Stage 1 Clutch Kit Forged Race Flywheel for 370Z G37 VQ35HR VQ37VHR 3.7L

Sale price$177.75 Regular price$197.50
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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8

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Description

QSC Stage 1 Clutch Kit Forged Race Flywheel for 370Z G37 VQ35HR VQ37VHR 3.7LFREE SHIPPING within US QSC Stage 1 clutch kit is designed for high performance street application. It provides a smooth engagement and an extended clutch life. Our clutch systems are engineered to maximize the durability and stability, and they can be easily installed without modification. This Stage 1 clutch kit includes a heavy duty pressure plate, premium organic disc, flywheel, throw out bearing, pilot bearing, slave cylinder with release

FREE SHIPPING within US

QSC Stage 1 clutch kit is designed for high performance street application. It provides a smooth engagement and an extended clutch life. Our clutch systems are engineered to maximize the durability and stability, and they can be easily installed without modification. This Stage 1 clutch kit includes a heavy-duty pressure plate, premium organic disc, flywheel, throw out bearing, pilot bearing, slave cylinder with release bearing, and alignment tool

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 stage 1 clutch disc is made of premium organic friction material. The organic friction materials enables more efficient heat transfer, and it also provides a good frictional surface for high performance street use. This stage 1 is designed to maximize the clutch life.

Flywheel

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**

 

Application

  • 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)

 

Specification

  • Pressure plate material: Cast Iron
  • Clutch Disc material: Premium organic friction materials
  • Torque Capacity: 360 ft-lbs
  • Horsepower: 385HP
  • 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 organic friction materials
  • Extended clutch life
  • Higher torque delivery and acceleration than stock

Flywheel

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

 

Warranty

6-month warranty

 

**Professional installation is recommended

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

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 37990315070

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Bill
Pawtucket, US
★★★★★ 5
Quality.
Color: Light Blue, Size: X-Large
Fit great love the color warm and soft.
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Reviewed in the United States on March 23, 2026
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CATHERINE CABASSA
New York, US
★★★★★ 4
Looks great buy too short
Color: Red, Size: 4X-Large
Purchased for my son for a Christmas event at his job. He is 330pds and 6ft tall so I got the 4xl for him. It's fits perfectly in width BUT it's short. I know because he is tall I should have searched for a 4XLT but could not find one in the colors needed. But I purchased a white 4xlt tee for him to wear underneath and leave the shirt open it's looks great. So great shirt comfy and cozy well made and colors exactly as shown but if you are on the taller side maybe wear it as an over shirt with a tee underneath.
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Reviewed in the United States on December 15, 2025
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Kamohomoho
Grantham, US
★★★★★ 5
Well made, warm.
Color: Brown, Size: X-Large
A heavy yet soft flannel shirt. Nice on a foggy or light misty day. Flannel is a bit loosely woven but well sewn. Size reflects its lable. Its become a 'got to' shirt this fall.
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Reviewed in the United States on January 9, 2026
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Hannah
Los Angeles, US
★★★★★ 5
Quality look
This is my second purchase of this shirt. Soft, thick, good quality. Usually worn open with a tee underneath. Sizing is normal and a good length. But it could also be tucked in. Looks great!
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Reviewed in the United States on February 8, 2026
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MakinLee
Battle Creek, US
★★★★★ 5
Great shirt
Color: Khaki, Size: XX-Large, Color: Khaki, Size: XX-Large
Wonderful shirt. Bought this for my husband to wear for family photos and it fit great, wasn't scratchy and he was so comfortable in it he actually wears it to work sometimes even to this day. I would buy this brand again. It washed it before he wore it, I didn't notice any shrinking.
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Reviewed in the United States on February 16, 2026

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