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Sale

Circle D Specialties

Pro Series 258mm Torque Converter

Name: Pro Series 258mm Torque Converter
Brand: Circle D Specialties
SKU: 07-13-05
Price: 1429.00 USD
Availability: InStock

$1,849.00 $1,429.00 Save $420.00

SKU: 07-13-05

Special Order

Ships in 4–6 weeks

Free Shipping over $200

$100 Minimum Order

30 Days Return

Description

The Circle D Specialties 07-13-05 Pro Series torque converter is engineered to elevate the performance of 6L80 and 6L90 based transmissions. With a 258mm diameter, this converter is recommended for heavy cars and smaller trucks, or as a street-oriented upgrade for larger power setups. It boasts a multi-disk configuration with 100 square inches of clutch lining specifically for Wide Open Throttle (WOT) lock-up, ensuring efficient power transfer under demanding conditions. Key construction features include furnace brazing and hand TIG welded turbine hubs for exceptional durability. The flanged impeller hub design prevents flex and enhances longevity, while the entire unit is meticulously hand-assembled to precise specifications. Available stall speeds range from 2800 to 3700 rpm, allowing for customization based on specific build requirements. This Pro Series torque converter is compatible with various applications, including different Corvette models (C6 and C7) with specific bolt patterns, LSA and CDS flexplate fitments, and custom configurations. Depending on the chosen sprag option (Stock or Mechanical Diode) and bolt pattern, prices vary. Additional options such as a billet aluminum bolt-together upgrade, midplate spacing, and Circle D Specialties Billet Flexplates are available to further tailor the converter to your build.

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

Brand	Circle D Specialties
Part Number	07-13-05
Category	Drivetrain

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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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