Rancho 11-19 Chevrolet Pickup / Silverado 2500HD 3/4 Ton RS9000XL Shock Engine Components>Head Stud & Bolt Kits The introduction of the S55

The introduction of the S55 into the M3 and M4 in 2015 was the first time compact M's saw turbos from the factory

Will not work with 325-hp engine)

The integrated slotted mounting tabs secure the tube to the radiator shroud and allow for engine movement while off-roading

and lower EGTs

The SureFlo bucket also incorporates one way check valves to allow fuel to easily flow in

Rancho 11-19 Chevrolet Pickup / Silverado 2500HD 3/4 Ton RS9000XL Shock Engine Components>Head Stud & Bolt Kits The introduction of the S55HANDLES EXTREME TEMPERATURE CHANGES Up to 2. 75 in. tri tube body (application specific) filled with all weather fluid allows for cooler operation, increased vehicle control and ability to withstand internal temperatures of 40 to 248F