Drivetrain› Automatic Transmissions and Components

Circle

PRO Series 245mm 4500 Stall Torque Converter

$1,099.00

SKU: CIR-01-11-04-5F-PX

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Circle D PRO Series torque converter is a 245mm unit designed for the 4L60E transmission with a 4500 stall speed. It features furnace brazing, hand TIG welded fins and hub, Torrington style bearings, and a deep groove ball bearing.
Show original supplier description
The Circle D PRO Series 245mm torque converter is engineered for performance applications, particularly favored for street/strip F-bodies, trucks, and GTOs equipped with the 4L60E transmission. This converter boasts a 4500 stall speed for enhanced off-the-line acceleration. Construction highlights include furnace brazing for maximum strength and durability. The fins and turbine hub are meticulously hand TIG welded, while Torrington style bearings and a deep groove ball bearing ensure smooth operation and longevity. Each unit is hand-assembled to exacting tolerances. This torque converter is specifically designed for the 4L60E transmission.

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
Part NumberCIR-01-11-04-5F-PX
CategoryDrivetrain
5,000+ Trusted brands
1M+ Enthusiasts
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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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