Drivetrain› Automatic Transmissions and Components

Sun Coast Converters

Suncoast EXTREME DUTY 12 INCH BILLET TRIPLE DISC 4L80E TORQUE CONVERTER SUNSC-4L80E-300MM-LS

$2,032.15

SKU: S02K SC-4L80E-300MM-LS

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 SunCoast Performance SC-4L80E-265MM-LS is a 10.5-inch billet triple disc torque converter designed for 4L80E transmissions and LS-style engines, featuring carbon fiber clutch material and robust construction for high-performance applications. It is often used in LS engine swap projects in various Chevrolet, GMC, Pontiac, and Cadillac vehicles.

Fitment

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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 SC-4L80E-300MM-LS

Videos

Was it WORTH it?! | Testing and Review of the Suncoast Torque Converter

Was it WORTH it?! | Testing and Review of the Suncoast Torque Converter
Should You Buy A Single Or Triple Disc Torque Converter For Your Cummins?

Should You Buy A Single Or Triple Disc Torque Converter For Your Cummins?
HOW TO INSTALL GM TORQUE CONVERTERS!!

HOW TO INSTALL GM TORQUE CONVERTERS!!

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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