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Ferrea engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ferrea lineup with fast shipping and expert fitment support — order with confidence.
Take your Audi TFSI DAZA engine build to the next level with these Ferrea +1mm oversized exhaust valves. Designed for high-flow cylinder head porting, these valves allow for increased exhaust gas velocity, essential for supporting larger turbochargers and higher boost pressures. Crafted from Ferrea’s signature Super Alloy, they are built to endure the extreme thermal loads found in high-performance 2.5L TFSI applications.
The +1mm head diameter provides a significant improvement in exhaust flow, helping to reduce EGTs and improve overall engine efficiency. The triple-groove design ensures compatibility with high-performance keepers and retainers, providing a robust connection that won't fail under high-RPM stress. Whether you are building a drag car or a high-output street machine, these valves are the foundation for a reliable, high-horsepower valvetrain. Invest in the best materials for your engine build and experience the difference in power and longevity. Shop the complete Ferrea lineup for your Audi at GGCRACING.
Other popular Ferrea products customers consider together:
Ferrea engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ferrea lineup with fast shipping and expert fitment support — order with confidence.
Take your Audi TFSI DAZA engine build to the next level with these Ferrea +1mm oversized exhaust valves. Designed for high-flow cylinder head porting, these valves allow for increased exhaust gas velocity, essential for supporting larger turbochargers and higher boost pressures. Crafted from Ferrea’s signature Super Alloy, they are built to endure the extreme thermal loads found in high-performance 2.5L TFSI applications.
The +1mm head diameter provides a significant improvement in exhaust flow, helping to reduce EGTs and improve overall engine efficiency. The triple-groove design ensures compatibility with high-performance keepers and retainers, providing a robust connection that won't fail under high-RPM stress. Whether you are building a drag car or a high-output street machine, these valves are the foundation for a reliable, high-horsepower valvetrain. Invest in the best materials for your engine build and experience the difference in power and longevity. Shop the complete Ferrea lineup for your Audi at GGCRACING.
Other popular Ferrea products customers consider together:
