Product Description
BMW Single Groove Intake Valve Lock Set - Supertech KPR-5.0/7S-24
Supertech Valve Locks are precision-engineered for high-performance street and racing applications, offering superior retention under extreme loads and high RPM. Each lock is now fully CNC machined to ensure maximum quality, repeatable fit, and improved structural integrity. Designed to pair seamlessly with Supertech valve springs, retainers, and valves, they are a critical component in securing the valve train’s stability and longevity.
Backed by over 30 years of racing innovation, Supertech's valve locks are tested using advanced methodologies including Finite Element Analysis (FEA), CNC verification, and field testing with top engine builders. This guarantees a product optimized for durability, consistency, and world-class performance across a wide range of performance builds.
This valve lock features a Single Groove configuration, fits valves with a 5mm stem diameter, and is ideal for engines requiring reliable and precise valvetrain geometry.
Features:
- Single Groove design for consistent valve engagement and retention
- CNC machined for exact tolerances and smooth finish
- Engineered for compatibility with high-lift camshafts and high-RPM operation
- Designed for BMW B58, M50, M52, M54, N54, N55, S50, S52, S54, S55 valvetrain layouts
- Compatible with Supertech springs, retainers, and valves
Benefits:
- Secure valve retention under extreme racing conditions
- Enhanced precision and repeatability in high-performance builds
- Reduced risk of valvetrain failure or valve float
- Improved longevity and reliability for daily driven or track-dedicated engines

Located in San Jose, California in the heart of Silicon Valley, Supertech was born from the same fertile ground as many other companies in this area utilizingcutting edge technology to fuel growth.
Supertech fuses this technology with passionate people and over 30 years of experience in creating the highest performance valves and valve train components available.
Supertech provides the racing market with superior valves and valve train components for virtually every type of racing. Whether it’s Drag Racing, Rally, Road Racing or any other type of motorsport, Supertech is sure to have the perfect performance solution for your application. If not, we are always willing to work with you to custom manufacture the solution that is just right for you.