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-01 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, or dial in options here to choose your build.

More From This Category

MANLEY Connecting Rod Pin Bushing, Bronze, .930 in. OD, .866 in. ID, 1.010 in. Length, Each

MANLEY Connecting Rod Pin Bushing, Bronze, .930 in. OD, .866 in. ID, 1.010 in. Length, Each

$22.80

RTS Performance Transmission Super-R Rebuild Kit GM 4L80E 97-on, Red Eagle & Kolene, Kit

RTS Performance Transmission Super-R Rebuild Kit GM 4L80E 97-on, Red Eagle & Kolene, Kit

$1,350.00

TCI Automatic Rebuild Kit, Overhaul, Automatic Rebuild Kit, Overhaul, 80-'89/'90-'93 AOD Racing, Kit, Kit

TCI Automatic Rebuild Kit, Overhaul, Automatic Rebuild Kit, Overhaul, 80-'89/'90-'93 AOD Racing, Kit, Kit

$251.11