I don't think the exact chamfer angle is critical - its usually machines on the shaft to help locate the shaft into the bore.
But if you need to know, just measure the outside shaft diameter & the internal chamfer diameter and work from there.
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2001 Boxster S (triple black). Sleeping easier with LN Engineering/Flat 6 IMS upgrade, low temp thermostat & underspeed pulley.
2001 MV Agusta F4.
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