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A cylinder 50cc Ø40mm high-end aluminum, 7 transfers with special architecture and a boost exhaust.
Finally available from us, this kit without cylinder head is very surprising both in its design and in its finish. An architecture, transfers very well worked and drawn, an improved exhaust outlet and a piston very specific to this cylinder, high-end material Made in Italy. 
This cylinder respects the displacement of 50cc and has a 40mm diameter bore in a high-end aluminum alloy. The finish is impressive and the channels very well finished. Equipped with 7 transfers including 3 at the back, 2 open in length and one allowing the internal lubrication and optimizing the sweeping, filling. Its exhaust is enlarged is provided with booster. The boosters pass slightly above in lateral transfers. 
The nykasil coating is very high quality, reliable and strong. Aluminum is covered with a chrome veil, giving it a very nice overall appearance. On the performance side, it will still offer you more power than an original cylinder, its diagrams and architecture will offer more low-end torque and improved high revs but limited by its small displacement and 40mm bore. 
Nevertheless, it is a robust cylinder that will move with confidence. The piston is a bi-segment model well prepared and that fits perfectly to its cylinder. Featuring a domed crown with a chrome steel segment for the bottom and a standard L-shaped steel for the top. 
It is thanks to him that the torque will be developed so much, a real piston of high quality from GILARDONI Two lateral grease nipples are present as well as two on the rear very specific with an opening still in the back, granted to the cylinder for greasing / filling. Unique model and very solid. 
It is delivered complete as presented with more 3 rubber pads, its pack attached, its 2 segments, piston segment specific bi, notice ....
We recommend you accompany it with at least : new spark plug, racing engine oil, original cylinder head or high compression model planned, an exhaust to release the performance, crankshaft and reinforced bearings .... 
Contains :
GILARDONI cylinder Ø40mm 7 aluminum transfers with booster exhaust
-Piston segment specific segment GILARDONI
-Segment standard steel L
-Segment chrome
-Piston clips type G
-Piston reinforced piston Ø12 X 33mm
-Joints engine
-3 Rubber pads
-Notice
-Autocollant 
Reference: S.LI240002015
Replacement of 2 high-end Ø40mm segments including one in L.
Reference: VJ.12.1
High quality replacement seals, essential for the maintenance and perfect sealing of your engine.
Reference: 020808399
Kit 50cc AIRSAL for DERBI VARIANT slight gain compare to the origin but at an attractive price!
A cylinder 50cc Ø40mm high-end aluminum, 7 transfers with special architecture and a boost exhaust.
