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4 Valve conversion kit YX 150 & 160 62mm cylinder from 23 to 27bhp options

4 Valve conversion kit YX 150 & 160 62mm cylinder from 23 to 27bhp options
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£432.00 £360.00 ExVAT


Product Code: 4073

4 Valve conversion kit YX 150 & 160

62mm cylinder

23bhp or 27bhp choice

Here is our complete kit with all you will need to convert your stock 2V to 4V

Length of Stroke increases CC:

  • 53mm stroke = 160cc
  • 57mm stroke = 170cc

 

What’s in the kit:

  • Honda compatible port 4 V head complete with 7mm lift cam and race springs Inlet valve 21mm x 2 Ex valve 18.5mm x 2
  • Top end gasket set
  • 62mm cylinder kit bored and decked by us at OORacing
  • 62mm 4V cut piston kit with rings and pin

 

PLEASE NOTE

Valve timing must be set at 100 degrees LCA

Product Code4073
ConditionNew
Weight5Kg

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