Drivetrain› Automatic Transmissions and Components

Circle D Specialties

265mm Pro Series 4L80 LS Torque Converter

$1,159.00

SKU: 05-12-06

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Circle D Specialties GM 265mm Pro Series 4L80 LS Torque Converter is a billet single-disk converter designed for 4L80E transmissions. It features a 265mm diameter and is available in stall speeds ranging from 2500 to 3400 RPM.
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The Circle D Specialties GM 265mm Pro Series 4L80 LS Torque Converter is a high-performance upgrade for 4L80E transmissions. This billet single-disk converter has a 265mm diameter and offers a versatile stall speed range of 2500 to 3400 RPM, catering to various performance applications. Constructed with durability and performance in mind, this torque converter features furnace brazing, hand TIG welding, and Torrington bearings for longevity. It also includes a billet front cover and billet piston, a deep groove ball bearing design to extend clutch life, a flanged impeller hub for enhanced anti-flex durability, and is hand-assembled to exacting tolerances.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandCircle D Specialties
Part Number05-12-06
CategoryDrivetrain

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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