Drivetrain› Automatic Transmissions and Components

Sun Coast Converters

Suncoast Converters 6-Pinion 2.84 Ratio Input Planetary Kit w/ Input Sun Gear 77284K

$1,852.52

SKU: S02K 77284K

In Stock
In Stock
Ships by Jun 11
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Sonnax 77284K is a 6-pinion, 2.84 ratio input planetary kit with an input sun gear, designed for GM 4L60, 4L60-E, 4L65-E, and 4L70-E automatic transmissions built up to the 2006 model year. It requires OE bearing 8642191 or 24217327 (not included).

Fitment

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Specifications

BrandSun Coast Converters
Part NumberS02K 77284K

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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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