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This genuine Porsche OE Exhaust Valve Set is a complete set of 8 original exhaust valves designed for the 2.0L turbocharged flat-four engine used in Porsche 718 Boxster and Cayman (982) models. Manufactured to Porsche’s exact factory specifications, these valves ensure correct dimensions, material quality, and heat resistance required for high-performance engine operation.
SET OF 8 valves
Fits:
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Diagram ref no 5
This set provides all exhaust valves required for a full engine rebuild or cylinder head service (8 valves per engine).
Exhaust valves are critical components of the engine’s valvetrain system, responsible for controlling the release of burnt gases from the combustion chamber. They open and close in precise timing with the camshaft, allowing exhaust gases to exit efficiently while maintaining proper sealing during compression and combustion cycles.
Proper exhaust valve operation is essential for maintaining engine power, efficiency, and emissions control, especially in turbocharged engines where exhaust flow directly impacts turbo performance.
Functions & Technical Role
• Exhaust gas control: Allows combustion gases to exit each cylinder
• Combustion sealing: Closes tightly to maintain compression
• High-temperature resistance: Built from heat-resistant alloys for turbocharged engines
• Precision timing: Operates in sync with camshaft and valve train
• Complete engine set: 8 valves required for full cylinder head service
Exhaust valves operate under extreme heat and mechanical stress. Over time, they can wear, burn, or lose sealing efficiency, leading to:
• Loss of engine compression
• Reduced power and performance
• Rough running or misfires
• Increased emissions
Replacing valves as a complete set of 8 ensures balanced engine performance, proper sealing, and long-term reliability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A210572101KIT
The product you are viewing cross references to these numbers
This kit is comprised of the following items: