911 - 964 - 993 Federnsatz mit Titan Ventiltellern

911 - 964 - 993 Federnsatz mit Titan Ventiltellern

A10590150
New

895,00 €tax incl.

752,10 €   tax excl.

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This Double Progressive Springs are an improvement over the regular valve spring. 
Developed with well known Tuners and Raceteams. The initial seat pressure was raised 
slightly to minimise valve float. Good for 7.500 rpm. A sound replacement for older 
engines during routine rebuild. Motorsport valve Spring increases the security reserves 
for overwinding the engine dramatically. Standard valve springs have approximately a 
spring rate of 85 kg before they reach full block. Motorsport valve springs have up to 
105 kg. The desired value in Motorsport is 100 kg. minimum. Under 100 kg. the velves 
do not close properly at the higher rpm range and results in a dramatic loss in power.

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