Suncoast Converters 1.58 Ratio Extreme Planetary Assembly Kit - OE Length Shaft 28158G-06

Name: Suncoast Converters 1.58 Ratio Extreme Planetary Assembly Kit - OE Length Shaft 28158G-06
Brand: Sun Coast Converters
SKU: S02K 28158G-06
Price: 4891.95 USD
Availability: InStock

$4,891.95

SKU: S02K 28158G-06

In Stock

Ships by Jun 18

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Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Description

The Sonnax Powerglide 1.58 Ratio Extreme Planetary 28158G-06 is a complete GM Powerglide planetary assembly designed for extreme durability in demanding applications, track-proven to 3,000 HP. It features a 1.58 ratio and is designed to fit into existing Powerglide cases, allowing racers to achieve the lowest numerical ratio available for the Powerglide without the hassle and expense of converting to a TH400.

Fitment

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Available on iOS & Android

Specifications

Brand	Sun Coast Converters
Part Number	S02K 28158G-06

Videos

Ep. 10 Powerglides 101: Planetary Gear Sets

The GM 2-Speed That Became a Drag Racing Legend

All 15 Automatic Transmissions (Powerglide to 10L90)

Ep. 4 Powerglides 101: Transmission Cases

Sonnax Powerglide Racing Transmission Rebuild - Get an Inside Look

Driving a Powerglide on the Street

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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