Drivetrain› Automatic Transmissions and Components
Circle
258mm Pro Series Torque Converter
SKU: 23-13-05-1DX
Moderate — 2–4 hours
Description
Key features include a billet front cover, triple clutch lockup, and a billet apply piston. It also incorporates heat-treated steel splines, furnace brazed and TIG-welded fins, and a flanged style hub. This torque converter is specifically for the 8L90E transmission in C7 Corvettes.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Circle |
| Part Number | 23-13-05-1DX |
| Category | Drivetrain |
Buy with Confidence
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.
View Full Return Policy