Seller notes

BRAND NEW!!!! Never used or installed, Alpha Germany WSBK V4 valve spring kit! A MUST have for all 2009-2019 BMW S1000RR's Weight-optimized valve spring kit, consisting of:- 8 inlet contact valve springs with + 5% more spring rate (+0,1mm wire diameter)- 8 outlet contact valve springs- 16 inlet and outlet steel retainer, weight-optimized & surface treatment optimised (weight in the titanium area)- 16 valve shaft seals, shortSpeed tested up to 14,500 rpmPlease note:When installing S1000 RR engine...

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