various 10AN ORB adapter fittings can be purchased separately HERE

The ARP head stud kit for the 2009 - 2016 BMW S1000RR Motorcycle is designed to provide improved clamping force for the cylinder head to the engine block

preventing valve float and improving throttle response

The redesigned ESS MSS52 engine control software is perfectly calibrated for the supercharged engine providing optimum ignition timing under all conditions

Keep your engine responsive

BMW S63 Valve Spring Kit by Ferrea VI various 10AN ORB adapter fittingsThe Ferrea Valve Spring Kit for BMW S63 engines is engineered for superior durability and performance under extreme conditions. This kit replaces BMW part numbers 11340039494, 11340054492, 11347578825, 11347572451, 11347504271, 11347614134, and 11340150843. Factory valve springs can struggle to meet the demands of high boost, aggressive cam profiles, and sustained high RPM, leading to valve float and potential engine failure. Ferrea valve springs are