Drivetrain› Automatic Transmissions and Components

Sun Coast Converters

Suncoast Converters 6L80E Planetary Gear Set - 4140 Billet Steel Drive Plate 710035

$3,258.75

SKU: S02K 710035

In Stock
In Stock
Ships by Jun 17
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Non-Returnable Item
INSTALL DIFFICULTY
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Advanced — 4+ hours

Description

The ATI 4140 Billet Steel Drive Plate Planetary Gear Set (MPN: 710035) is an upgraded internal component for GM 6L80E automatic transmissions. Constructed from robust 4140 billet steel, this planetary gear set offers significantly increased strength and resilience compared to stock components, making it ideal for high-performance applications, heavy-duty use, or as a reliable replacement for weakened factory parts. It is designed to withstand greater torque loads and improve the overall longevity and reliability of the transmission.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandSun Coast Converters
Part NumberS02K 710035

Videos

GM 6L80 & 6L90 Transmission Upgrade Options for the 4-5-6 Clutch

GM 6L80 & 6L90 Transmission Upgrade Options for the 4-5-6 Clutch
This is a MUST DO when rebuilding a 6L80-6L90 transmission!!! Gonna tell you how it’s done and why.

This is a MUST DO when rebuilding a 6L80-6L90 transmission!!! Gonna tell you how it’s done and why.
6L80 Teardown and Inspection (Full Length Version - Please read description)

6L80 Teardown and Inspection (Full Length Version - Please read description)
6L80 overhaul

6L80 overhaul
6L80 6L90 Rebuild Full Length of Disassemble, Clean, Reassemble with comments.

6L80 6L90 Rebuild Full Length of Disassemble, Clean, Reassemble with comments.
How We Fix GM Transmission Failure (6L80 & 6L90)

How We Fix GM Transmission Failure (6L80 & 6L90)

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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