POWERGLIDE Planetary Assemblies
Optimized Performance Guarantees You Never Overpay or Underspec
Available in multiple configurations across four ratios, Sonnax planetary assemblies are the #1 choice of racers that demand outstanding performance and reliability.
These gear sets are a BIG step up from standard case-hardened and tempered varieties. High-quality materials combined with an advanced heat-treating process results in incredibly tough, wear-resistant gears.
Build the PERFECT Powerglide
Premium Series
Best Quality & Value for Demanding Applications
Sonnax Premium gear sets and assemblies set the industry standard for uncompromising durability in common racing Powerglides.
- Track-proven to 2,000 HP
- 1.69 & 1.80 Ratios
- Planetary assemblies come fully assembled with 4340 output shaft
Extreme Series
Highest Quality Planetary Assemblies in the World
From carrier and output shaft to gears and thrust washers, every Extreme component is refined for ultimate durability in the most high-powered and demanding Powerglide applications.
- Track-proven to 3,000 HP
- 1.58, 1.65, 1.69 & 1.80 Ratios
- Planetary assemblies come fully assembled with 300M output shaft and ring gears pre-drilled for the Sonnax stabilizer system
- Compatible with the Sonnax big shaft system to handle the most extreme horsepower
PremiumTrack-Proven to 2,000 HP |
ExtremeTrack-Proven to 3,000 HP |
|
| Sonnax Warranty | 2 Years (Gears Only) | 2 Years (Gears & Shaft) |
|---|---|---|
| Gear Material | 9310 Suns & Pinions | 9310 Suns & Pinions |
| Gear Process | Premium |
Advanced
Extreme Gears for Extreme PerformanceTo greatly improve the life of Extreme gear sets, the sun and pinion gear undergo the same advanced processing as assemblies developed for Formula 1™, NASCAR® and other high-end professional racing circuits: Advanced Process gears undergo a three-step process that takes aftermarket performance gear manufacturing to a whole new level:
|
| Shaft Material | 4340 | 300M |
| Shaft Splines | Cut Spline | Rolled Spline |
| Drum Flange | 12-Tooth | 24-Tooth |
| Ring Gear | Standard | Maximum Duty |
Applies to planetary assembly kits only
Choose Your Build
Sonnax makes it easy to dial in options and select the perfect Powerglide planetary assembly or gear set.
| Number | Assembly/Gear Set | Shaft | Ratio | Performance Level | Flange Tooth Count |
|---|---|---|---|---|---|
| 28169G-01S | Planetary Assembly | Short Length | 1.69 | Premium | 12 |
| 28169G-06SP | Planetary Assembly | Short Length | 1.69 | Extreme | 24 |
| 28158G-06SP | Planetary Assembly | Short Length | 1.58 | Extreme | 24 |
| 28165G-06 | Planetary Assembly | OE Length | 1.65 | Extreme | 24 |
| 28165G-06SP | Planetary Assembly | Short Length | 1.65 | Extreme | 24 |
| 28180G-06SP | Planetary Assembly | Short Length | 1.80 | Extreme | 24 |
| 28180G-NS Customized for Big Shaft System |
Planetary Assembly | Sold Separately | 1.80 | Extreme | 24 |
| 28180G-01S | Planetary Assembly | Short Length | 1.80 | Premium | 12 |
| 28158G-06 | Planetary Assembly | OE Length | 1.58 | Extreme | 24 |
| 28158G-NS Customized for Big Shaft System |
Planetary Assembly | Sold Separately | 1.58 | Extreme | 24 |
| 28165G-NS Customized for Big Shaft System |
Planetary Assembly | Sold Separately | 1.65 | Extreme | 24 |
| 28169G-06 | Planetary Assembly | OE Length | 1.69 | Extreme | 24 |
| 28180G-06 | Planetary Assembly | OE Length | 1.80 | Extreme | 24 |
| 28169G-01 | Planetary Assembly | OE Length | 1.69 | Premium | 12 |
| 28180G-01 | Planetary Assembly | OE Length | 1.80 | Premium | 12 |
| 28169G-NS Customized for Big Shaft System |
Planetary Assembly | Sold Separately | 1.69 | Extreme | 24 |
| 180S3-24K | Planetary Gear Set | Sold Separately | 1.80 | Extreme | 24 |
| 169S3-24K | Planetary Gear Set | Sold Separately | 1.69 | Extreme | 24 |
| 169S-K | Planetary Gear Set | Sold Separately | 1.69 | Premium | 12 |
| 180S-K | Planetary Gear Set | Sold Separately | 1.80 | Premium | 12 |
| 165S3-24K | Planetary Gear Set | Sold Separately | 1.65 | Extreme | 24 |
| 158S3-24K | Planetary Gear Set | Sold Separately | 1.58 | Extreme | 24 |
24-Tooth flange Premium and Extreme gear sets/assemblies and 32-spline output shaft available upon request.
Big Shaft System
Go BIGGER with Sonnax Extreme Planetaries
Stop worrying about input shaft failure when running the Powerglide in the most extreme applications. Sonnax offers the only big input shaft upgrade with custom components designed to work together for reliable performance.
Watch the video to learn how easy it is to level up an existing planetary assembly or build from scratch in the gear ratio of your choice.
Learn More
1.58 Ratio - Join the Powerglide Revolution
Control You Can Count On – Even at Extreme Horsepower
The Sonnax 1.58 delivers tunable control for Powerglides right at the start, when traction can make or break a race. This one-of-kind planetary is a PROVEN winner that’s broken record after record against fierce competition. Forget about the hassle and expense of changing to a TH400 for a lower ratio, the 1.58 in an efficient, lightweight Powerglide delivers the very best in performance and durability.
- Push the limits while going faster than ever
- Unrivaled quality & durability
- Fully assembled & easy to install
- Compatible with the Sonnax big shaft system
Use the Choose Your Build table to select the right assembly.
Watch one racer’s world record-breaking runs with the 1.58 on YouTubeSonnax high performance products meet the toughest challenges faced by hard-working, daily-use drivetrains as well as racing units going all-out on the street or track.
Learn About Sonnax Heavy Duty & High Performance See All Heavy Duty & High Performance Upgrades