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Drivetrain› Automatic Transmissions and Components

Edge Racing

Pro Series Stage II 258mm Torque Converter

$1,549.00 $1,159.00 Save $390.00

SKU: 51-12-05

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 Specialties Pro Series Stage II torque converter is a 258mm (10 1/4") converter available in stall speeds from 2800-3600 rpm. It features a flanged style hub, furnace brazed pump and turbine, and a hand TIG welded turbine hub. This torque converter also includes Torrington style bearings and a CDS exclusive billet front cover and lockup piston, utilizing large 3/8"-24 bolts.
Show original supplier description
The Circle D Specialties Pro Series Stage II torque converter offers a 258mm diameter and is designed for applications requiring stall speeds between 2800-3600 rpm. Key features include a flanged style hub for secure mounting, and a furnace brazed pump and turbine for increased strength and heat resistance. The turbine hub is hand TIG welded, and the unit is equipped with Torrington style bearings for smooth operation. The front cover is a CDS exclusive billet design, which also houses the lockup piston, and it utilizes robust 3/8"-24 bolts for assembly. Available options include single disk or 3-disk lockup configurations, with stall speeds customizable to specific performance needs. This custom manufactured product typically has a production time of 5-6 weeks.

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

BrandEdge Racing
Part Number51-12-05
CategoryDrivetrain
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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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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