Tel. 0049 (0)2151-820200Nauenweg 55, 47805 KrefeldMo-Fr 9:00-18:00 Sa 9:00-13:00 o'clockQuick shipping until 14 o'clock
WK Items (0)
.. is empty

de en WorldLanguage
y1371 SPEED TEC COMPETITION race ported top end set G320

from EUR 299,90

piece - + shipping costs
all prices include VAT

1 2 3 4 5  (
Available from stock
Available from stock
Place your order within the next 26.01.22 14:00:00 and we will ship tomorrow,  26 . January 2022

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:

  • 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.

  • 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 ( to the tuned pipes ).

Flange sealer
  • • Without flange sealer
  • • Mit y804 HT-flange sealer 518
Engine Oil
  • • Without oil
  • • y0813/01 Motul On Road
  • • y0813/02 Motul Off Road
  • • y0813/03 Motul Kart
  • • Without After-Run
  • • With y0811 After-Run
more ...


Your name:
Your email address:
Your question:

Your email address will never be published!

Privacy Policy
Our site uses cookies and similar technologies. By using the website, you consent to the use of cookies. You can find more information in our Data protection