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RACING VALVE SPRINGS 930
These springs kits are designed specifically for the 911 Turbo (930).
This spring is currently being used on racing 930 engines using large valves, turning 8,000 RPM and running 15-30 pounds of boost. These high quality springs are heat treated, shot peened, polished & low temp stress relieved
The Spring Kit includes 12 Inner and Outer valve springs, 12 spring cups and 12 Titanium Retainers.