S58 Combustion Chamber Upgrade Service S55 leading to valve float and

leading to valve float and reduced power output

Here are some of the features of CP Carrillo pistons:

S54B35 engines with a 139 mm length

preventing head lift under high cylinder pressures without requiring 11mm stud conversion or block modifications

eliminating any possible pinion angle issues

S58 Combustion Chamber Upgrade Service S55 leading to valve float and5150 AutoSport Combustion Chamber Upgrade Service for BMW S58 Engines Please note that price is based on customer providing core. If you need help sourcing a core, please contact our sales team. Our CNC Cylinder Head Combustion Chamber Service is a precision machining process where the combustion chambers of an engine's cylinder head are reshaped and refined using Computer Numerical Control (CNC) technology, optimizing engine performance for street or