Top Quality Stainless Steel T-bolt clamps to replace the cold/hot and plenum worm-gear clamps that come from Ford and intercooler boot clamps.
The 3" clamps are for the turbo outlet spyder assembly and CAC tubes(3.25" Approx. Size).
The 3 1/4" clamps are for the larger belled boot at the intercooler(3.5" Approx. Size).
Warning:Do not use these clamps on the plenum connections unless you first install thePlenum Reinforcement Insertsprior to installation. The stock plenum intake can be damaged with these heavy duty T-bolt clamps if you do not have the reinforcing inserts.