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.
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