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y1371 SPEED TEC COMPETITION/Crank race ported top end set G320

Product information "y1371 SPEED TEC COMPETITION/Crank race ported top end set G320"
Race ported top end set for Zenoah G320 engine.

The SPEED TEC COMPETITION genuine Zenoah G320 race ported top end set is optimized for performance with sophisticated craftsmanship and when accurately installed - guarantees, besides greatly increased performance, excellent workmanship and stamina.

SPEED TEC COMPETITION version modifications:

Cylinder:
  • Adjustment of compression
  • Enlarged ports
  • Fuel management milled
  • Machined and polished exhaust and intake
  • The case is specially matched with enlarged and polished cross section towards the ports


y1016/002+3T Tuning transfer port covers:
Reduced cross-section and flow-optimized transfer port cover plates for improved and faster gas flow for the Zenoah G320.
The improved gas flow rate improves speed and gives faster throttle response in the medium rpm range.
To improve mixture formation, the plates were glass bead blasted after machining.

Piston:
  • Weight reduced
  • Skirt shortened
  • Oil rings
  • Piston above and below piston ring tapered and piston dome polished


Set includes the following parts:
  • Cylinder
  • Piston
  • Piston ring
  • Cylinder foot gasket
  • Piston pin
  • Piston pin clip
  • Thrust washer for needle bearing
  • Cover for transfer port


To achieve the optimum performance gain of a SPEED TEC COMPETITION top end set, we recommend the use of a tuned pipe ().

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