/ QMI / QUARTERMASTER 575302 Quarter Master Racing Optimum 5.5 5-1/2 Spline Triple Disc Clutch

( Brand: / Qmi / Quartermaster ), ( Type: Circle Track Road Racing Scca Spec ), ( Manufacturer Part Number: 575302 ), ( Country Of Origin: United States )

Review / QMI QUARTERMASTER Quarter Master Racing 5.5 Inch 5-1/2 Optimum Spline Triple Disc Clutch fits 2026

Introducing the Quarter Master QMI 575302 Racing 5.5 5-1/2 Optimum 26 Spline Triple Disc Clutch, a high-performance component designed for serious racers and enthusiasts seeking superior clutch engagement and durability.

This Quarter Master clutch features a 5.5-inch diameter, 5-1/2 inch hub, and a 26 spline design, ensuring compatibility with a wide range of racing applications. The triple disc design provides increased clamping force and durability, while the 26 spline connection to the flywheel guarantees a secure and vibration-free connection.

The Optimum clutch material utilized in this design offers exceptional friction coef cient and consistency, ensuring smooth and reliable engagement every time. The clutch discs are made of organic material, which offers excellent heat resistance, reducing the risk of slippage under extreme conditions. The pressure plate is made of high-strength steel, delivering the necessary clamping force for maximum power transfer.

The QMI 575302 Racing clutch is designed for easy installation, with a kit that includes all necessary hardware and instructions. Its robust construction and high clamping force make it ideal for use in high-performance racing applications, where consistent power delivery and durability are essential.

In summary, the Quarter Master QMI 575302 Racing 5.5 5-1/2 Optimum 26 Spline Triple Disc Clutch is a high-performance component designed for serious racers and enthusiasts seeking superior clutch engagement and durability. Its triple disc design, 26 spline connection, and Optimum clutch material provide increased clamping force, durability, and consistency, making it an excellent choice for high-performance racing applications.

Pros and Cons of Buying a Quarter Master QM I Quartermaster 575302 Racing 5.5 5-1/2 Optimum 26 Spline Triple Disc Clutch

The Quarter Master QM I Quartermaster 575302 Racing 5.5 5-1/2 Optimum 26 Spline Triple Disc Clutch is a popular choice among automotive enthusiasts for high-performance applications. This clutch assembly offers several advantages over stock clutches, but it also comes with some potential drawbacks. In this analysis, we will discuss the key pros and cons of investing in this clutch.

A. Improved Torque Capacity

This clutch assembly is designed to handle higher torque levels compared to stock clutches. This makes it an excellent choice for upgraded engines, turbochargers, or other power-adders.

B. Enhanced Clamping Force

The triple-disc design of the Quarter Master QM I Quartermaster 575302 Racing clutch provides increased clamping force. This results in smoother engagement and superior power transfer, which can lead to better acceleration and overall performance.

C. Durability

Constructed from high-quality materials, this clutch can withstand the rigors of high-performance driving. It is also designed to last longer than stock clutches, reducing the need for frequent replacements.

A. Cost

The Quarter Master QM I Quartermaster 575302 Racing clutch is more expensive than a stock clutch. This may deter some buyers, especially those on a tight budget.

B. Installation Complexity

Installing this clutch requires advanced mechanical skills and specialized tools. It may not be a DIY project for everyone, and professional installation fees can add to the overall cost.

C. Increased Pedal Effort

The increased clamping force of this clutch can result in higher pedal effort. This may be uncomfortable for some drivers, and it could also lead to fatigue during extended driving sessions.

The Quarter Master QM I Quartermaster 575302 Racing 5.5 5-1/2 Optimum 26 Spline Triple Disc Clutch offers significant advantages for high-performance applications, such as improved torque capacity, enhanced clamping force, and durability. However, its higher cost, installation complexity, and increased pedal effort are important considerations.

If you're looking for a high-performance clutch assembly that can handle increased power levels, the Quarter Master QM I Quartermaster 575302 Racing 5.5 5-1/2 Optimum 26 Spline Triple Disc Clutch is an excellent choice. However, it is essential to weigh the pros and cons carefully and ensure that you have the necessary skills, tools, and budget to install and maintain it. If you're unsure about the installation process or have concerns about the cost, it may be worth considering alternative options or seeking professional advice.

Details:

Quarter Master Racing Optimum-V Series 5.5-1/2 triple disc clutch 1-5/32 x 26 spline not a cycled out unit, it is completely rebuilt and ready to go Discs all mic at .103.101 floater plates are new of the package can exchange for Chevy 1-1/8 10 spline discs in same condition upon request before purchase good cover with diaphragm springs within specs hardware Unit overall excellent shape woodworking fully rebuilt install as shown includes matching Ford flywheel 575302 .008.

part #: 575302 prices

• $325.00-$575.00

specifications addedclutch:

• for years: 2026
• brand: / Qmi / Quartermaster
• type: Circle Track Road Racing Scca Spec
• manufacturer part number: 575302
• country of origin: United States

offer addedclutch:

• options: Ship-to-home
• started: February 10, 2026
• sold: 0
• quantity: 1
• best offers: True
• availability: In Stock

payments addedclutch:

• other
• wallet: Apple-pay
• credit card: Discover

general addedclutch:

• condition: Used
• Transmission Drivetrain > Clutch Parts Kits > Additional Clutch Parts

shipping addedclutch:

• type: Calculated
• service: UPS Ground, USPS Priority Mail
• transit: 3-9 Days
• class: Standard, Expedited
• cost: $30.61
• carrier: UPS, USPS

returns addedclutch:

• policy: No Returns

seller addedclutch:

• city: Waldo, Wisconsin
• # reviews: 17769
• rating: 100.0%

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