BMW N54 and N55 Closed Decking ServiceOur Closed Decking Service for BMW N54 and N55 engines provides essential reinforcement to address a common vulnerability in these high performance engines: cylinder wall flex and cracking under high loads. What is Closed Decking? Closed decking is a machining process where the top plane of the engine case (the head plane of the case) is modified to accept CNC machined inserts. This process strengthens the cylinder walls at their weakest pointat the
Shopping security
Each payment you make on thelockerguy is secured with strict SSL encryption and PCI DSS data protection protocols