Drivetrain Automatic Transmissions and Components

Circle D Transmission

6L80 Level 2.5 Performance Transmission Rebuild Kit

$2,965.00

SKU: CDTL2.5PK/80-P

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Circle D Transmission 6L80 Performance Transmission Rebuild Kit is a Level 2.5 upgrade designed for enhanced transmission performance and reliability. This kit features increased clutch surface area, with the 4-5-6 clutch pack offering 17% more area and the 3-5-R clutch pack offering 25% more area than stock setups.

This kit includes a billet 4-5-6 clutch hub and intermediate shaft made from 300M steel for durability. It utilizes Borg Warner® clutches, Lindered steel plates, Hi-Per Blue® bonded pistons, and Kolene® steels for improved thermal and chemical resistance. The kit is rated for up to 700 RWHP and is suitable for heavy-duty use in both trucks and cars.

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

BrandCircle D Transmission
Part NumberCDTL2.5PK/80-P
CategoryDrivetrain

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