PINASCO 25031798 aluminum thermal unit 135 ZUERA SRV lamellar for VESPA 50 125 PRIMAVERA ET3 PK NLR SPECIAL

PINASCO 135 CC ALUMINUM CYLINDER KIT. ZUERA SRV FOR VESPA 50 125 PRIMAVERA ET3 PK NLR SPECIAL Developed on the racing fields, the "Zuera" thermal unit can also be used for tourist use, the exhaust and intake diagrams have been studied to have the right compromise between maximum torque and maximum power, allowing the engine to "push" in any operating condition without gaps in delivery or failures. The central spark plug head with 8 studs guarantees maximum performance and prevents deformation of the sealing surfaces. The new "Zuera" 135cc cylinder kit is exceptional in both daily and competitive use.