This is a specially made base gasket with the correct stud spacings for the 125/150/175 block Lambretta engine casing. These have been remeasured and checked to make sure they are correct. Big surface area around ports for porting. Essential you get the correct base and head gaskets for setting correct port timings and squish height.
 
These are available in 2.5mm and 3.0mm
 
These are also available in 0.5mm, 1.0mm, 1.5mm and 2.0mm on our website.
 
 
Part numbers:
  2.5mm - LUTiSBBP2.5
  3mm - LUTiSBBP3