54mm 8 ports Racing Big Bore Cylinder Kits

for 90cc Air Cooled engine

cylinder length is 77mm

make sure your cylinder length

(some model cylinder is 78.5mm)

this kit is hi-performance design from Taiwan  Racing team

this cylinder total with 8 ports

5 ports for intake

3 ports for exhaust

exhaust gas will quicly  go out of engine

alos will get more fresh air and fuel to engine.

8 ports design is trully racing  high performance design.

especially for ATV racing  or scooter racing.

will for

Minarelli / YAMAHA STYLE Scooter & Mini ATVs with 90cc displacement

KASEA

DINLI

Aeon / Polaris

XTREM

E-TON

AND MORE........

direct ship from Taiwan.

combine shipping welcome!

ship to Worldwide !

item Price & Shipping not include any tax or duty.

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