.25+ Oversize
.25+ Oversize
Upgrade To 5150's High Performance Main Bearings!
.025 Oversize
This "Complete Package" provides the OEM hardware required for installation, ensuring your timing remains rock-solid even under extreme track conditions or high-horsepower builds.
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Upgrade your BMW's rotating assembly with the ultimate in fastening security.
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The VTT N55/S55 Spline Lock Hub offers a sophisticated, non-invasive alternative to the labor-intensive "drill and pin" methods used to secure BMW crankshafts.
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Features the Insane Performance S55 4-Pin One-Piece Crank Hub kit plus all of the installation components needed such as gaskets, hardware, and timing parts that should be replaced during installation.
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This product was last offered at the strikethrough price on
04-06-2026