Supertech Performance MCEVI-1400S Inconel Sodium Filled Exhaust Valve BMW - B48/B58

The Supertech Performance MCEVI-1400S is a high-performance sodium-filled Inconel exhaust valve engineered for BMW B48 and B58 engines, as well as Toyota Supra applications. This single-groove valve is designed to deliver superior thermal efficiency and durability under extreme conditions, making it the ideal choice for turbocharged performance builds and racing applications.

Advanced Material Construction:

• Constructed from premium Inconel/Nimonic alloy, a high-nickel superalloy used in aerospace and motorsport applications
• Sodium-filled design reduces valve head temperatures by up to 10%, significantly outperforming standard stainless steel valves
• Black nitride coating provides enhanced wear resistance and durability
• Features a 28.5mm head diameter with 5.95mm stem diameter and 100.1mm overall length

Performance Benefits:

• Superior heat dissipation allows for more aggressive spark timing and higher boost levels in turbocharged applications
• Average weight reduction of 10% compared to stock valves reduces valvetrain mass for improved high-RPM performance
• Precision CNC machined with Supertech's patented Superfinishing process for tighter tolerances and smoother surfaces
• Direct replacement for stock exhaust valves with no cylinder head modifications required

Installation Notes:

• Requires single-groove valve keepers (Part: KPR-6S-7, sold separately)
• Compatible with stock or aftermarket valve retainers and springs
• Professional installation recommended to ensure proper valve lash and spring pressure settings
• Ideal for drag racing, rally, road racing, and high-performance street applications

Backed by over 30 years of Supertech engineering excellence, this valve delivers motorsport-proven reliability for enthusiasts who demand the best performance from their BMW or Toyota engine builds.