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PRODUCT DESCRIPTION
Product details
ZRP Inconel Standard Exhaust Valves for BMW 3.2L S50/S54 (Set of 12)
ZRP Inconel standard exhaust valves are engineered for high-performance BMW 3.2L S50B32 and S54B32 engines. Designed to withstand extreme exhaust temperatures and high cylinder pressures, these valves offer exceptional durability, thermal stability, and consistent performance in both high-revving naturally aspirated applications and supercharged competition builds.
Manufactured from premium nickel-based superalloys (Inconel 751/600 series), ZRP exhaust valves maintain their structural integrity at exhaust gas temperatures exceeding 800°C. They are specifically developed for extreme operating environments where conventional stainless steel valves fail to cope with the thermal and mechanical loads generated by high-revving M Power engines and track-focused setups.
Each valve is precision CNC machined, swirl polished, and heat-treated to ensure exceptional dimensional accuracy, optimized surface finish, and resistance to thermal fatigue. Strict tolerances for stem straightness, concentricity, and sealing surfaces guarantee reliable combustion sealing and stable operation at sustained high RPMs. Technical Features
Material: Nickel-based superalloy (Inconel 751 / 600 series)
Heat Resistance: Maintains strength at exhaust gas temperatures exceeding 800°C
Manufacturing Process: Precision CNC machining, swirl polishing, and heat treatment
Dimensional Accuracy: Strict tolerances for stem straightness, concentricity, and sealing surfaces
Advantages
Reduced stem-to-guide friction for less wear
Increased stability at high RPMs
Significantly extended lifespan compared to untreated stainless steel valves
Reliable sealing in naturally aspirated and turbocharged/supercharged engines
Suitable for high-performance street, track, and drag racing applications
Additional Information
Set Quantity: 12 Valves
Material: Inconel
Valve Size: 30.50mm / 5.95mm / 105.65mm
Engine Codes: S50B32, S54B32
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