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jet flow spacer for intake pipe, from naraku, in CNC aluminium
it's diameter , conical shape, give the best circulation of the mixture, between a 24mm carburetor and a naraku 51mm cylinder head
intake in 24mm , output in 21mm
helped by the venturi effect, you will have a better filling of the combustion chamber, those, a better output of the motor (more power)
a perfect fit for the naraku 90cc cylinder kit ( 52,4mm) wich include a 51mm cylinder head.
DON T put it upside down!!
use on private road only
for chinese scooter, 50cc to 90cc, 139QMA, 139QMB, gy6 , motors, Peugeot V-clic, Revatto, jonway, Roadsign, Aztral, kinroad, Yiying, linhai, baotian, znen, Gowinn, jmstar meiduo, haizhimeng, wangye, Jialing, vonroad, Hanglong, Jincheng, Zongshen, Linhai, Benzhou, Dazon, Huibang, Zhonghyu, Shenke, Wacox, etc...
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Price: €11.97ttc