BMW S63 Valves by SuperTech Valve Locks:Valves Only and they have proven to

and they have proven to be a top performer in both street and racing BMW S38 engines

This layer provides a torque limiting surface that prevents yielding of the combustion seal

acceleration

2012–2017 F20 125i

2-Row 42mm High-Performance Core Featuring CSF’s B-Tube Technology

BMW S63 Valves by SuperTech Valve Locks:Valves Only and they have proven toThe Supertech High Performance Valve Kit for the BMW S63 engine is expertly crafted to elevate engine performance in BMW V8 applications. Designed by Supertech, a trusted name in high performance engine components, these valves are manufactured to meet the rigorous demands of enthusiasts and engine builders alike. Each valve in this kit is precision engineered for durability and reliability, ensuring optimal power delivery and engine efficiency.