y1557 SPEED TEC CRANK race ported top end set G320 7-ports

€359.90*

Available

Product number: y1557

EAN: 4058575113676

Product information "y1557 SPEED TEC CRANK race ported top end set G320 7-ports"

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 CRANK top end set, we recommend the use of a tuned pipe ().

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