- Carrier Assembly & Output Shaft OE Length, 4340 Shaft
- Front Sun Gear & Drum Flange 12-Tooth
- Ring Gear
$858.34 Each - Free Shipping
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 1,500 horsepower, Sonnax Contender planetaries are an affordable choice for high-quality builds on a budget. 1.80 Ratio Contender planetary assembly kit 28180F-01 features premium-processed sun and pinion gears that are a big step up from standard case-hardened and tempered varieties. High-quality materials combined with a special heat-treating process results in incredibly tough, wear-resistant gears.