Sea-Doo Head Stretch Bolt Set All 4 Stroke Engines www.jet-parts.com
Sea-Doo Head Stretch Bolt Set All 4 Stroke Engines www.jet-parts.com

Sea-Doo Head Stretch Bolt Set All 4 Stroke Engines

  • Fits: 420641110 / 290641110
  • Kit contains 8 pieces
  • Torx Flanged Screw M11 x 147
  • New stretch bolts should be used to prevent both torque loss and possible engine failure when rebuilding an engine.
  • Measuring the old bolts will not indicate how much strength has been lost during the engines heat cycle. 

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