cylinder kit Airsal Tech-Piston 50cc 39.9mm for Derbi Senda GPR, Gilera GSM SMT RCR Zulu EBE, EBS

Airsal 50cc Tech-Piston cylinder kit, complete with all necessary parts, such as gasket set, piston, piston rings, etc. 2-Piece outlet with high quality piston (2 rings). Aluminium with hard-chromed bore. Performance-wise, up there with 70cc cylinders, but with different timing options. Good torque and acceleration.