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8,369 Posts
I received my BrianS 170cc kit this afternoon. Kit looks very well made. I took some pic with a stock cylinder for comparison. The kit will not be installed until I get my port/polished head back from Brian and also when I get my second Grom June 15.
Enjoy the pictures.
Cylinder comparison




The piston is a work of art



Warranty notice, same as with most performance equipment sales

Enjoy the pictures.
Cylinder comparison




The piston is a work of art



Warranty notice, same as with most performance equipment sales
