145cc Zuera RR Big Bore Thermal Group

- Aluminum casting with NiCaSil galvanic coating - Displacement 145cc - Bore 60mm - Stroke 51mm - Central spark plug head 8 studs - Exhaust 36mm, Wheelbase 62mm Applications: Vespa ETS 125, Vespa ET3 125, Vespa PK 125, Vespa PK XL 125, Vespa Primavera 125 , Vespa Nuova 125, Ape 50 Transformation 125.