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Performance Set-4 cylinder 50mm + 51mm Big Bore Cylinder Head Big Valves without SLS

  • Not available now!
  • Item no.: 139QM-TZ680
  • Our price : 78,99 €
  • including 19% VAT., plus shipping (Deutsche Post DHL)


In this kit, a 50mm and a 51mm cylinder cylinder head with big valves (Big Valve) are included in the bundle.
With this kit, high performance is possible.

By using the 2 valve Big valve cylinder head is noticeably more power reached and used the power of the 50mm cylinder perfectly. Only with a cylinder head with big valves, the engine reach its performance potential.

We recommend to use a 21-24er carburetor and a longer gear to implement the great power in terminal velocity.

This kit is complying with:

1 x 50mm cylinder with pistons, piston pins, piston rings and clips
1 x 51mm Big Valve 2 valve cylinder head with large valves

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