ZRP +1,0mm Exhaust Valves Inconel for Audi VW Volkswagen 2.5L TFSI TT-RS RS3 EA855
Audi / VW 2.5L TFSI (EA855) TT-RS / RS3 – ZRP +1.0 Exhaust Inconel Valves (Set of 10)
ZRP +1.0 Exhaust Inconel Valves are engineered for high-performance Audi and Volkswagen 2.5L TFSI EA855 engines found in the TT-RS and RS3. Designed to withstand extreme exhaust temperatures and elevated cylinder pressures, these oversized exhaust valves deliver exceptional strength, thermal stability, and long-term reliability in demanding street and motorsport applications.
Manufactured from premium nickel-based superalloys (Inconel 751 / 600 series), ZRP exhaust valves maintain their structural integrity at exhaust gas temperatures exceeding 800°C. Developed for extreme-duty use, they are ideal for high-boost turbocharged engines, upgraded cylinder heads, and endurance racing environments where conventional stainless-steel valves are no longer sufficient.
Each valve is precision CNC-machined, swirl-polished, and heat-treated to ensure outstanding dimensional accuracy, surface finish, and resistance to thermal fatigue. Tight tolerances for stem straightness, concentricity, and sealing surfaces guarantee reliable combustion sealing and stable operation at high RPM.
Technical Features
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Material: Nickel-based superalloy (Inconel 751 / 600 series)
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Oversize: +1.0 mm valve head diameter
-
Heat Resistance: Maintains strength at exhaust gas temperatures above 800°C
-
Manufacturing Process: Precision CNC machining, swirl polishing, and heat treatment
-
Dimensional Precision: Strict tolerances for stem straightness, concentricity, and sealing surfaces
Advantages
-
Increased exhaust flow potential due to larger valve head
-
Reduced stem-to-guide friction for lower wear and improved high-RPM stability
-
Significantly longer service life compared to untreated stainless-steel valves
-
Reliable sealing in high-performance turbocharged applications
-
Designed for track, drag, and endurance racing builds
Additional Information
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Set Quantity: 10 valves
-
Material: Inconel
-
Valve Size: 29.00 mm head (+1.0 mm) / 5.96 mm stem / 101.75 mm length
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Engine Codes: DAZA, DNWA
-
Application: 2.5L TFSI EA855 – Audi TT-RS, RS3
Audi / VW 2.5L TFSI (EA855) TT-RS / RS3 – ZRP +1.0 Exhaust Inconel Valves (Set of 10)
ZRP +1.0 Exhaust Inconel Valves are engineered for high-performance Audi and Volkswagen 2.5L TFSI EA855 engines found in the TT-RS and RS3. Designed to withstand extreme exhaust temperatures and elevated cylinder pressures, these oversized exhaust valves deliver exceptional strength, thermal stability, and long-term reliability in demanding street and motorsport applications.
Manufactured from premium nickel-based superalloys (Inconel 751 / 600 series), ZRP exhaust valves maintain their structural integrity at exhaust gas temperatures exceeding 800°C. Developed for extreme-duty use, they are ideal for high-boost turbocharged engines, upgraded cylinder heads, and endurance racing environments where conventional stainless-steel valves are no longer sufficient.
Each valve is precision CNC-machined, swirl-polished, and heat-treated to ensure outstanding dimensional accuracy, surface finish, and resistance to thermal fatigue. Tight tolerances for stem straightness, concentricity, and sealing surfaces guarantee reliable combustion sealing and stable operation at high RPM.
Technical Features
-
Material: Nickel-based superalloy (Inconel 751 / 600 series)
-
Oversize: +1.0 mm valve head diameter
-
Heat Resistance: Maintains strength at exhaust gas temperatures above 800°C
-
Manufacturing Process: Precision CNC machining, swirl polishing, and heat treatment
-
Dimensional Precision: Strict tolerances for stem straightness, concentricity, and sealing surfaces
Advantages
-
Increased exhaust flow potential due to larger valve head
-
Reduced stem-to-guide friction for lower wear and improved high-RPM stability
-
Significantly longer service life compared to untreated stainless-steel valves
-
Reliable sealing in high-performance turbocharged applications
-
Designed for track, drag, and endurance racing builds
Additional Information
-
Set Quantity: 10 valves
-
Material: Inconel
-
Valve Size: 29.00 mm head (+1.0 mm) / 5.96 mm stem / 101.75 mm length
-
Engine Codes: DAZA, DNWA
-
Application: 2.5L TFSI EA855 – Audi TT-RS, RS3
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