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0L 76mm 109mm 49 0
a low-fill 12AN ORB to 12AN Male Dynamic Safety Vent Valve can be purchased separately with a 12AN male fitting for quick fill dry break systems that require a high-flow vent
Improved Crank-Rod Ratio for high RPM applications: De-Stroked = 1
providing superior clamping force
High Boost Custom Age 625+
BMW Crank Hub Washer 11 23 7 557 561 SC7443 0L 76mm 109mm 49 0Genuine BMW Crankshaft Hub Washer 11 23 7 557 561 (11237557561) is the OE replacement washer designed for N54 engines. This critical component ensures proper seating and torque retention of the crank hub assembly, maintaining long term engine reliability under both stock and high performance conditions. BMW recommends using only new OEM hardware when servicing the crank hub, as reusing old components can compromise clamping force and lead to costly
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