Mishimoto CAC Stainless Steel Constant Tension T-Bolt Clamp
From FICMrepair.com

- Constant tension spring maintains clamping pressure through a wide range of temperatures
- Included self-locking nut prevents loosening with movement and vibration
- Stainless steel construction resists corrosion longer than zinc-plated clamps
- Mishimoto Lifetime Warranty
To ensure proper fitment, measure the outer diameter of the boot where it will be clamped to ensure it falls within the allowable ranges. As a general guide, here's information on the standard clamp sizes used on various Powerstroke applications.
6.4L Clamp Sizes - 08-10
- Turbo Boot - 3.25"/3.25"
- Driver Side I/C Boot - 3.25"/3.5"
- Passenger Side I/C Boot - 3.25"/3.25"
- Passenger Side Intake Elbow - 3.25"/3.25"
6.0L Clamp Sizes - 03-07
- Turbo Boot - 2.75"/2.75"
- Passenger Side I/C Boot - 3.25"/3.5"
- Driver Side I/C Boot - 3.25"/3.25"
- Driver Side Intake Elbow - 3.25"/3.25"
7.3L Clamp Sizes - 99-03
- Plenum Boots 99.5-03 - 3.25"/3.25"
- Early 99 Plenum Boots - 2.25"/2.50"
- Upper Intake Manifold Spider - 3.25"/3.25"
- I/C Boots Option 1 - 3.25"/3.25"
- I/C Boots Option 2 - 3.25"/3.5"
7.3L Clamp Sizes - 94-97
- Turbo Intake Boot - 3.25"/3.50"
- OBS Plenum Boots - 2.25"/2.25"