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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
there are significant advantages to adding this spacer upgrade to any vehicle with the CSF B58 Super Manifold installed
740i N55 F0x 2012 - 2015
Why Choose Our Engine Program
E-Brake must be deleted with this kit
so you can drive with confidence
RK Autowerks Billet 4 Pin Crank Hub N54 N55 S55 f3xexhaust there are significant advantages toDESCRIPTION 4 pin design to ensure the hub wont spin, even with heavily modified S55s Laser scanned to ensure perfect fitment direct replacement for stock Designed and machined in house with our CNC mills Machined from heat treated 4130 Chromoly Machined by RK Autowerks Compatible with all S55 M models, N54, and N55 we do not recommend the splined crank hub nor will we install them for liability purposes. this crank hub is 100% guaranteed
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