28756-25K SONNAX Powerglide Smart High Drum Kit

Review SONNAX Powerglide Smart-tech High Drum Kit Free Shipping

Introducing the Sonnax 28756-25K Powerglide Smart-Tech 10-clutch High Drum Kit, an exceptional upgrade solution for your automatic transmission. This high-performance kit is engineered to deliver improved shifting performance and durability, making it an ideal choice for enthusiasts seeking to enhance their driving experience.

The Sonnax 28756-25K kit includes ten (10) Smart-Tech clutches, which are specifically designed to provide superior clutch engagement and release characteristics. These clutches are manufactured using advanced materials and manufacturing processes to ensure consistent clutch performance and longevity.

The Smart-Tech clutches in this kit feature Sonnax's proprietary friction material formulation, which offers increased clutch life and improved heat dissipation. Additionally, the clutches are engineered with Sonnax's patented Smart-Tech design, which allows for optimal clutch engagement and release, resulting in smoother and more responsive shifts.

This Sonnax Powerglide kit also includes a high drum assembly, which is engineered to provide enhanced cooling and durability. The high drum is machined from high-strength steel and features an improved cooling fin design to dissipate heat more effectively. This helps to reduce clutch temperature and prolong clutch life.

Furthermore, the Sonnax 28756-25K kit is backed by a comprehensive warranty, providing peace of mind for those who demand the highest levels of performance and reliability. With this kit installed, you can expect improved shift quality, increased durability, and enhanced overall performance from your automatic transmission.

In summary, the Sonnax 28756-25K Powerglide Smart-Tech 10-clutch High Drum Kit is an excellent upgrade for those seeking to improve the performance and longevity of their automatic transmission. With its advanced clutch technology, enhanced cooling, and comprehensive warranty, this kit is sure to deliver impressive results and provide you with a more enjoyable driving experience.

Sonnax 28756-25K Powerglide Smart-Tech 10-Clutch High Drum Kit: A Detailed Analysis

The Sonnax 28756-25K Powerglide Smart-Tech 10-clutch high drum kit is an aftermarket solution designed to improve the performance and longevity of Powerglide automatic transmissions. In this analysis, we will discuss the key features, benefits, and potential drawbacks of this clutch kit.

1. 10-clutch design: This kit includes 10 friction clutches, providing better engagement and improved shift quality.

2. Smart-Tech design: The clutches are engineered to offer better heat dissipation, reducing the likelihood of clutch slippage and failure.

3. OE-style components: The kit includes OE-style pressure plates, friction plates, and other components to ensure a proper fit and function.

1. Improved transmission performance: The 10-clutch design and Smart-Tech engineering result in smoother, more consistent shifts and reduced clutch slippage.

2. Enhanced durability: The high-quality materials and advanced engineering of the clutches contribute to extended clutch life and superior transmission performance.

3. OE fit and function: The OE-style components ensure a precise fit and proper function within the Powerglide transmission.

1. Cost: The Sonnax 28756-25K Powerglide Smart-Tech 10-clutch high drum kit is a premium aftermarket solution, and the cost may be higher than some OE or aftermarket alternatives.

2. Installation complexity: Installing this clutch kit may require specialized tools and expertise, which could add to the overall cost and time investment.

The Sonnax 28756-25K Powerglide Smart-Tech 10-clutch high drum kit offers significant benefits for Powerglide automatic transmission owners seeking improved performance, durability, and consistency. While the cost and installation complexity may be drawbacks for some, the long-term value and enhanced driving experience make this clutch kit a worthwhile investment for those who prioritize transmission performance.

If you are an automotive enthusiast or a professional mechanic working on Powerglide transmissions, the Sonnax 28756-25K Powerglide Smart-Tech 10-clutch high drum kit is a solid recommendation for those seeking superior transmission performance and durability. For those with budget constraints or less advanced mechanical skills, it may be worth considering alternative, more affordable options. Ultimately, the decision should be based on your specific requirements, budget, and level of expertise.

Details:

High-strength drum with reduced rotating mass improves on-track acceleration. Use with your choice of frictions and steels. Smart-tech components give you the option to reduce line pressure for greater efficiency, or drop seven frictions less parasitic drag and improved heat dissipation while retaining 10-CLUTCH capacity. Inner outer lip seals not shown.

Sonnax 10-CLUTCH drum kits are optimized for powerglide performance applications. Smart-tech 10-CLUTCH drum kit part no. Installation kit included. Clutch drum spring retainer.

28756-25k: Sonnax smart-tech 10-CLUTCH drum kit 28756-25K for gm powerglide features a 35% larger piston that maximizes both engaging and holding capacity of the system. Forged chorally clutch hub guarantees your power makes it to the wheels. Bushing PDF coated, installed. Retaining ring small.

Thrust bearing used between pump and drum. Patented drum, hub and piston system improves clutch capacity for maximum durability. Contents shim narrow.

specifications differentialsdepo:

• brand: Sonnax
• mpn: 28756-25k
• country of origin: United States

seller differentialsdepo:

• # reviews: 1
• rating: 100.0%
• city: denver, colorado

payments differentialsdepo:

• wallet: apple-pay
• other
• credit card: discover

offer differentialsdepo:

• availability: in stock
• options: ship-to-home
• prices: $451.19–$459.92
• item condition: New
• sold #: 13
• started: december 17, 2025
• in stock #: 4

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Seals Gaskets

returns differentialsdepo:

• time: 30 days
• paid by: seller
• policy: returns accepted

shipping differentialsdepo:

• transit: 11-18 days
• type: calculated
• service: fedex ground economy
• carrier: fedex
• class: economy