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Fasteners · Ducati

Exhaust Header Stud

Metric Verified
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Specification

OEM no.
77910121A
System
METRIC
Thread
M8x1.25
Dimensions
M8 x 35mm

Metric fasteners & sizes (mm, M-thread). Use metric tools.

Torque specs

FastenerNmft-lbin-lb
Header nuts2014.8177

Header nuts

12
In order around · 2 bolts · snug all, then final torque in the same order

Typical values. Always confirm against your service manual.

Metric ⇄ Imperial

  • M8x1.250.315in dia · 20.3 TPI
  • M8 x 350.315in dia · 0.7 TPI
  • 35mm1.378in

Fitment notes

Use anti-seize. Torque 20-24 Nm.

Compatible bikes

  • Ducati Monster 696/796/1100 2008-2014
  • Ducati Hypermotard 796/1100 2007-2012
  • Ducati Multistrada 1000/1100

Interchangeable parts

  • Header Stud

    77910122A

    Ducati SportClassic 2006

    Direct fit

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