Motorrad-One ("M1") Performance Valve Spring Kit for BMW S1000 R, RR, XR
Part Number: M1-S5-18463-01
Motorrad-One ("M1") Performance Valve Spring Kit for BMW S1000 R, RR, XR. Our M1 Stage 5 Performance Valve Spring Kit is required for our Stage 5 and 5.2 camshaft kits, increased rev limits to 15,500, or extended high RPM use for racing. Our heavy duty valve springs are precision wound from the best high strength steel, heat treated and shot peened for incredible longevity, and reliability.
NOTE: Requires our M1 Titanium Retainers Kit, and M1 Valve Shim Kit available separately. For use in BMW S1000 R, RR, and XR engines from model year 2010-2014, and 2015-2019. For 2015-2019 please use our bottom spring seat on the exhaust side.