All installation hardware included

Disclaimer:

5150 recommends O-Ringing the engine block or cylinder head to ensure maximum sealing

Built with precision to withstand demanding applications

and degradation from oil

N20 / N26 Combustion Chamber Upgrade Service 6466 All installation hardware included5150 AutoSport Combustion Chamber Upgrade Service for BMW N20 and N26 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