QUARTER MASTER 398108 Disc Clutch S/b 7.25 1-1/8 10-SPLINE

( Brand: Quarter Master ), ( Type: Clutches ), ( Manufacturer Part Number: 398108 ), ( Item Length: 9.30 ), ( California Prop 65 Warning: False )

Review QUARTER MASTER S/b Chevy 7.25 In Disc Clutch 1-1/8 10-spline

The Quarter Master 398108 S/B Chevy 7.25 disc clutch is a high-performance clutch solution designed specifically for Chevrolet vehicles with a 1-1/8 inch master cylinder bore and a 10-spline flywheel. This clutch is engineered to provide superior holding power, durability, and smooth engagement, making it an ideal choice for enthusiasts seeking to enhance the performance of their Chevy engine.

The 7.25-inch diameter disc is made from heavy-duty, heat-resistant organic friction material, ensuring consistent clamping force even under high temperatures and heavy loads. The pressure plate is made from robust steel and features a high clamping force, which results in efficient power transfer and improved acceleration.

This Quarter Master clutch kit also includes a 10-spline flywheel made from cast iron, which provides excellent weight and rigidity, ensuring precise engine rotation and minimal vibration. The flywheel is also surfaced with a precision-machined surface, ensuring a perfect fit and smooth engagement with the clutch disc.

The clutch kit is designed to fit Chevrolet applications with a 1-1/8 inch master cylinder bore and a 10-spline flywheel. It is important to note that proper installation and alignment of the clutch components are essential for optimal performance and longevity.

The Quarter Master 398108 S/B Chevy 7.25 disc clutch is a high-quality, performance-oriented clutch solution that is built to last. Its robust design and superior clamping force make it an excellent choice for those seeking to improve the power and responsiveness of their Chevrolet engine. Whether you're racing, towing, or simply looking for a smoother driving experience, this clutch kit is sure to exceed your expectations.

Pros and Cons of Buying a Quarter Master 398108 S/B Chevy 7.25 Disc Clutch 1-1/8 10-Spline

a. High-Performance: The Quarter Master 398108 S/B Chevy 7.25 disc clutch is designed for high-performance applications. It can handle the power and torque generated by high-horsepower engines, making it suitable for enthusiasts seeking improved acceleration and response.

b. Durability: This clutch is built with heavy-duty materials, ensuring its longevity and resistance to wear and tear. The disc and pressure plate are made of high-carbon steel, while the friction material is made of organic or ceramic compounds for enhanced grip and durability.

c. Adjustability: The Quarter Master 398108 S/B Chevy clutch comes with an adjustable flywheel, allowing users to fine-tune their clutch engagement point for optimal performance and driving experience.

d. Smooth Engagement: The clutch provides smooth engagement, reducing the risk of power shock or harshness during shifts. This translates to a more enjoyable and refined driving experience.

a. Cost: The Quarter Master 398108 S/B Chevy clutch is a premium product. Its high-performance features and durable construction come at a higher price point compared to stock or aftermarket standard clutches.

b. Installation Complexity: Installing a high-performance clutch like the Quarter Master 398108 S/B Chevy clutch requires a certain level of mechanical expertise. The process can be time-consuming and labor-intensive, potentially requiring the use of specialized tools.

c. Noise: Some users have reported increased noise levels when using this clutch, especially during aggressive driving or high-RPM shifts. This noise can be attributed to the heavy-duty materials and increased clamping force.

The Quarter Master 398108 S/B Chevy 7.25 disc clutch is a high-performance, durable, and adjustable component designed for enthusiasts seeking improved acceleration, response, and driving experience. While it comes with a higher price point and installation complexity, its benefits outweigh these drawbacks for those who prioritize performance and longevity.

If you're an enthusiast looking to upgrade your Chevy's clutch system for improved performance and durability, the Quarter Master 398108 S/B Chevy 7.25 disc clutch is a solid investment. However, make sure to have the necessary mechanical expertise or seek professional help for installation, and be prepared for the increased cost compared to standard aftermarket clutches.

Details:

Will work with pre-1986 Small Block Chevy's, Shaft diameter measures 1.13 and the clutch has an overall of 7-1/4, Use top-quality friction material ensures reliability in harshest racing conditions, designed to reduce moment inertia for lightweight power transfer, Weighs only 14.5 lbs. Top-quality friction material ensures reliability in the harshest racing conditions, while light weight of clutch provides superior performance. Hardware Included Yes Notes This kit contains a button flywheel specifically designed for use with Quarter Master flex plates only MFG. In addition, these 7.25 clutches significantly reduce the moment of inertia for lightweight power transfer.

The V-Drive series of clutches from Quarter Master features an open design for cleaner and cooler operations. Item Details: 1-1/8 10-spline. Yes, I recommend this product.

Part # 398108 Condition New Brand Quarter Master Sold Each Details For racers looking for a Pre-1986 Small Block Chevy multi disc clutch that offers the best balance of performance, durability and affordability money, look no further.

part #: 398108 prices

• $790.24-$791.03

specifications addedclutch:

• for makes: Chevy
• brand: Quarter Master
• type: Clutches
• manufacturer part number: 398108
• item length: 9.30
• california prop 65 warning: False

returns addedclutch:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

seller addedclutch:

• city: Lincoln, NE
• rating: 99.6%
• # reviews: 345840

shipping addedclutch:

• service: Standard, Expedited
• transit: 5-5 Days
• type: Fixed
• class: Standard, Expedited
• cost: $0.00

payments addedclutch:

• credit card: Mastercard
• other
• wallet: Paypal

offer addedclutch:

• options: Ship-to-home
• quantity: 5
• started: January 19, 2026
• sold: 0
• availability: In Stock

general addedclutch:

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

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