B46 Combustion Chamber Upgrade Service Cam Set it seamlessly fits into place

it seamlessly fits into place like the stock radiator

provide the superior strength and stability needed to withstand the rigorous demands of racing

Prevent Valve Float at High RPMs

Compatible with high-performance S52 engine setups

5150 Ductile Iron Cylinder Sleeves

B46 Combustion Chamber Upgrade Service Cam Set it seamlessly fits into placePlease note that pricing is based on the customer providing a core. If you need assistance sourcing a core, contact our sales team. For enthusiasts and builders pushing the limits of BMWs B46 engine, optimizing the combustion chamber is a critical step toward maximizing performance and reliability. The 5150 Combustion Chamber Upgrade Service reshapes the combustion chambers using state of the art 5 axis CNC equipment for improved flow, consistency,