alpha Racing WSBK Stage 4 Cylinder Head BMW S1000RR (2010-2014)

$ 4,299.99

alpha Racing WSBK Stage 4 Cylinder Head BMW S1000RR (2010-2014)
Part Number: 1112A017A00-01

alpha Racing cylinder head S1000RR 2010-2014 (2015- requires P/N: 1112A016A00-01), based on the development of "World Superbike", 5-axles controlled machining exhaust porting, 5-axles controlled machining inlet porting, shortened inlet length, including 4 aligned throttle flanges, face milled, valve cover must be reworked!alpha Racing's race cylinder head modification design for the BMW required extensive development in port shape and testing on a Super Flow SF1020 Cylinder Head Flow System. Real World Superbike technology that cannot be replicated - period. We offer matched ECU tuning to your requirements for OEM camshafts or alphaRacing camshafts Stage 4.1, 4.2, and 4.3 prototype camshaft sets. These heads are bare and ready for assembly. Full cylinder head assembly and race service available at an additional charge. Core required. Our detailed photos tell the story. 
Special notes: The Stage 4 (WSBK) head comes with a different lubrication system for the timing chain. The oil will be sprayed onto the chain via a small hole in the head and not through the camshaft. Therefore you will have to block the hole in the inlet cam where the sprocket is fitted with special parts we provide for Stage 4. You will have to grind down the head of the pin so the sprocket will slide on smoothly. Next is the valve cover which has to be modified due to the lowering and change of angle of the throttle body. Last, the rubber grommets on the downside of the throttle body have to be trimmed professionally.  
Benefit from the unrivaled racing knowledge of alpha Racing in Germany and their professional experience in World Superbike, World Superstock, Moto GP (Moto 2), German IDM Superbike Championship, FIM Superstock Cup 1000, and 24 Hour Endurance Racing by using genuine alpha Racing Performance Parts and ECU Electronic Tuning for BMW S1000RR and HP4.

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