Top Performances "Black Trophy" 70cc kit Minarelli Vertical 10mm wrist pin
Top Performances steps it up a notch with the Black Trophy,this is the successor to the original Trophy series.
The new version has a molybdenum coated Asso piston, which minimizes friction and runs cooler.
These cylinders are very dependable and can be used with either the stock carburetor or upgrade to the 19mm Dellorto to gain some power.
