Product Description
BMW Dual Spring Kit with Titanium Retainers - Supertech SPRK-2521-2BM-T1S-LC
Our Performance Dual Valve Spring Kit with Titanium Retainers for a BMW S54B32 is built for BMW S54B32 applications—engineered for reliable valve control, RPM stability, and long-term durability.
Dual valve springs are designed for high-performance and racing builds that require increased seat and open pressure for superior valve control at elevated RPM.
Supertech valve springs are manufactured from premium Chrome Silicon alloys and heat-treated for fatigue resistance, while the included titanium retainers reduce valvetrain mass to improve control at higher engine speeds.
Features:
- High-tensile dual spring construction for increased control
- Titanium retainers reduce mass and increase RPM capability
- Computer-modeled spring profiles for harmonic stability
- Designed to maintain consistent pressures under extreme conditions
- CNC-machined components for exact fit and long-term reliability
Measurements:
- Spring Base O.D.: 26.4mm
- Spring Base I.D.: 19.30mm
- Spring Top O.D.: 19.30mm
- Spring Top I.D.: 14.50mm
- Seat Pressure (lbs@mm): 82 @ 41
- Open Lift (lbs@mm): 186 @ 10
- Max Net Lift: 15.5mm
- Coil Bind: 25.5mm
- Rate: 10 lbs/mm
Benefits:
- Superior valve control for high-lift/high-RPM applications
- Reduced valve float and improved stability at speed
- More consistent performance under sustained load
- Durability proven in high-stress environments
- Optimized for performance street and track builds
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.
