Vmc M7 prisoners increased length of 155mm with recess for fixing with 6mm key
kit no. 4 Vmc M7 prisoners increased length 155mm with 6mm key hole
Vmc M7 prisoners increased length of 155mm with recess for fixing with 6mm key
The increased length allows you to install all Vespa Small frame and Large frame cylinders with connecting rods and strokes increased from the standard, compensating for the added thicknesses with the use of bases under the cylinder or between the head and the cylinder.
They are the ideal choice when fitting native Vespa Small frame cylinders with 51 stroke with 53 or 54 mm strokes with longer than standard connecting rods and also with native Large frame cylinders with 57 stroke and fitted with 60 or 62 stroke with 110 connecting rods.
These special studs are made of high-strength steel and have the advantage of having greater clamping stability when the cylinder and cylinder head are subjected to stretching during operation.
They have a specific lateral recess to be able to screw the studs using a 6mm wrench and the threaded parts at the ends being 30mm long are ideal for always having the thread in the right place.
The kit consists of 4 studs.
We recommend using VMC M7 flanged nuts to make the most of the product's potential.
Specific References
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