DescriptionIntroducing the exclusive SuperTech Valve Spring Kit specifically designed for BMW S63 engines. This exceptional kit showcases an impressive seat pressure of 83 lbs and a maximum lift of 12mm.The SuperTech Kit serves as a replacement for BMW part numbers: 11340039494, 11340054492, 11347578825, 11347572451, 11347504271, 11347614134, 11340150843.The kit includes:32x High Performance Springs32x High Performance Steel Retainers32x Viton Valve Stem SealsSuperTech takes pride in utilizing premium Superclean Chrome Silicon Vanadium Steel alloy to manufacture valve springs, ensuring exceptional performance and durability, even at high RPMs.To ensure optimal performance, SuperTech valve springs undergo meticulous computer design, maintaining safe stress limits. Advanced computer software effectively controls harmonics. Combined with the high-quality steel alloy, SuperTech valve springs demonstrate remarkable durability under extreme conditions, providing a significant competitive advantage in both performance and durability for your performance racing engine.SuperTech retainers are expertly crafted using high-grade steel alloy and undergo precision CNC machining to guarantee a secure fit.The kit includes viton high-performance valve stem seals, addressing the known issues with factory seals. Valve stem seal failure in these engines can lead to various symptoms and potential problems.Valve stem seals play a crucial role in preventing oil from entering the combustion chamber and reducing oil consumption. When valve stem seals fail, oil can leak into the combustion chamber, resulting in excessive oil consumption and potentially causing blue smoke from the exhaust. Installation requires the expertise of an engine builder.
