Product Description
Powerglide Extreme Planetary Assembly Kit
Ratio: 1.69
Flange Tooth Count: 12
Shaft Length Option: Short
Shaft Material: 4340
Sonnax Part Number: 28169G-01S
Sonnax offers complete GM Powerglide planetary assemblies in a variety of gear set options and configurations to ensure you get the performance you want without overpaying or sacrificing quality. Each comes fully assembled and ready to install.
Track-proven to 2,000 horsepower, Sonnax Premium planetaries are an ideal choice when extra durability is needed at a reasonable cost in demanding applications. 1.69 Ratio Premium planetary assembly kit 28169G-01S features premium-processed sun and pinion gears that are a big step up from standard case-hardened and tempered varieties. A top-quality material combined with a special heat-treating process results in gears with improved grain structure and stability that are tougher and more wear resistant.
- Top-quality sun and pinion gears deliver outstanding durability
- High-strength output shaft resists twisting and breakage
- Bolt-together carrier for ease of service
See chart and specs below to determine if this planetary assembly suits your application.

PACKAGE CONTAINS
- Carrier Assembly & Output Shaft Short Length, 4340 Shaft
- Front Sun Gear & Drum Flange 12-Tooth
- Ring Gear