Drivetrain› Automatic Transmissions and Components

Circle D Specialties

258mm Pro Series Torque Converter

$1,499.00

SKU: 07D-13-05

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 258mm Pro Series torque converter is a high-performance component for the 6L80E transmission. It features a 258mm diameter and is available in stall speeds ranging from 2800 to 3700 RPM.
Show original supplier description
The Circle D Specialties GM 258mm Pro Series torque converter is a performance upgrade designed for the 6L80E automatic transmission. This converter features a 258mm diameter, offering a 10 1/4" footprint. Constructed with durability and performance in mind, this torque converter includes a furnace-brazed core, hand TIG-welded turbine hub, triple disk lockup, Torrington bearings, and a billet front cover with a billet piston. The impeller hub is flanged for enhanced anti-flex durability, and the unit is hand-assembled to exacting tolerances. Available stall speeds range from 2800 to 3700 RPM, allowing customization for various performance applications. Specific fitment options include standard stock configurations, LSA & CDS Flexplate compatibility, and dedicated options for 2006-2013 C6 Corvette (3x9.2") and 2014 C7 Corvette (6x9.2"). Please note that there may be a 5-6 week production time for this product.

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 Number07D-13-05
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.

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