Supertech Performance BMEVI-1063S-HS-16 BMW S63B44 Inconel Sodium-Filled Exhaust Valve

The Supertech Performance BMEVI-1063S-HS-16 is a high-performance exhaust valve set designed specifically for BMW S63B44 4.4L V8 twin-turbo engines found in M5, M6, X5M, and X6M models. This premium racing valve set includes 16 exhaust valves constructed from advanced Inconel-Nimonic alloy with sodium filling for superior heat dissipation and durability in high-performance applications.

Key Features:

• Inconel-Nimonic material construction with sodium filling for enhanced thermal management
• Head diameter: 29mm (standard size)
• Stem diameter: 5.94mm
• Overall length: 106mm
• Single groove design for precise valve spring retention
• One-piece forged construction for superior grain flow and strength
• Precision CNC machined in multiple steps for exact dimensions
• Heat treatment for stress relief followed by specialized nitride hardening
• Patented Superfinishing technique ensures flawless surfaces

Supertech valves are engineered through over 20 years of manufacturing experience and intensive testing with professional engine builders. The sodium-filled design is particularly beneficial for high-stress racing applications and engines operating above 7,500 RPM. Each valve undergoes precision grinding and Supertech's proprietary finishing process to guarantee optimal performance and reliability in demanding motorsport and high-performance street applications.

Application: BMW S63B44 4.4L V8 Biturbo engines (2010-2018 M5, M6, X5M, X6M models)