Tremec TKO, TKO II conversions

The Tremec TKO and TKO II transmissions are popular upgrades for Mustangs. They are very similar to the Tremec 3550 (1995 Cobra R) transmission, but have an input shaft with a GM style 1-1/8" x 26 spline and slightly different internals. We recommend the 10.5" McLeod systems listed over the 11" systems because the 10.5" pressure plates provide higher clamping force with lower pedal effort, and there are more 10.5" clutch package options available.

While the TKO and TKOII do not require special flywheels for installation on a Mustang, your flywheel MUST be inspected to see if it accepts 10.5" and/or 11" clutch. This will dictate which clutch size options can be installed. An option is to purchase the correct McLeod Flywheel for the clutch size desired. Please refer to the McLeod flywheel applications to find the appropriate flywheel for your application.

Installation note: Ford used non-conventional 11" clutch disks that were .270" thick, along with a pressure plate designed for a .270" disc thickness. McLeod produces all their disks to the standard conventional Ford thickness of .310". McLeod 11" clutch systems therefore require the use of the supplied shim between the pressure plate and flywheel. This allows the Ford-style pressure plate in these clutch packages to function properly with the .310" thick McLeod 11" disk.