Drivetrain› Automatic Transmissions and Components

Circle D Specialties

300mm HP 4L60 LS Torque Converter

$759.00

SKU: 01-07-09-2A

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 300mm HP 4L60 LS Torque Converter is a custom-manufactured component designed for automatic transmissions. It features a 300mm diameter and offers various stall speed options.

Key features include Hand TIG Welding, a Woven Lockup Clutch Lining, Heavy Duty Torrington Bearings, a Flanged Hub, and a Bearing Retainer.
Show original supplier description
The Circle D Specialties GM 300mm HP 4L60 LS Torque Converter is a high-performance component engineered for GM LS engines with 4L60 automatic transmissions. This converter boasts a 300mm diameter and is custom-manufactured to meet specific build requirements, with lead times typically ranging from 4-6 weeks. Constructed with precision, this torque converter features Hand TIG Welding for superior durability, a Woven Lockup Clutch Lining for enhanced performance, and Heavy Duty Torrington Bearings. It also includes a Flanged Hub and a Bearing Retainer for added robustness. Multiple stall speed options are available, ranging from 1800-2000 RPM up to 3000-3200 RPM, allowing tuners to select the ideal setup for their vehicle's performance goals.

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 Number01-07-09-2A
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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