cylinder kit Airsal Tech-Piston 78.5cc 50mm for Derbi D50B0 2006-

Airsal 78.5cc Racing cylinder kit, complete with all necessary parts, such as gasket set, piston, piston rings, etc. incl. cylinder head. The 78.5cc Tech-Piston has the same timing as the 78.5cc Racing and has a 2-Piece outlet. The difference is the high quality single ring high quality piston. Aluminium cylinder with hard-chromed bore provides much better heat dissipation meaning the barrel is less likely to heat seize unlike standard cast iron cylinders. No need to work the crank cases on this kit.