y1557 SPEED TEC COMPETITION/Crank race ported top end set G320 7-ports

€359.90*

Available

Product number: y1557

Product information "y1557 SPEED TEC COMPETITION/Crank race ported top end set G320 7-ports"

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
The ports have been enlarged
Three additional ports (7-port) have been machined
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
Piston above and below piston ring tapered

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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Details

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Race ported top end set for Zenoah G320 engine.The SPEED TEC EXPERT 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 EXPERT version modifications: Cylinder: Adjustment of compressionEnlarged portsFuel management milledModified exhaust and intakeTransfer port covers:Glued and ready for use Piston: Weight reducedSkirt shortenedOil ringsPiston above and below piston ring tapered and piston dome groundSet includes the following parts: CylinderPistonPiston ringCylinder foot gasketPiston pinPiston pin clipThrust washer for needle bearingCover for transfer portTo achieve the optimum performance gain of a SPEED TEC EXPERT top end set, we recommend the use of a tuned pipe ().

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