Valve spring kit V4.3, BMW S 1000 RR 2009-2018, weight-optimized, surface treated
Beschreibung
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, short
Speed tested up to 14,500 rpm
Please note:
When installing in S 1000 RR engines from model year 2015, lower spring plates (BMW Motorrad OEM article, 11347713821) must be used on the exhaust side.
Weight: 0.620 kg