Racing Tuning Kit PINASCO 26360001 ZUERA VTR Thermal group PINASCO 26031803 145 ZUERA VTR BIG BORE with Crankshaft PINASCO 26081889 for VESPA 50 125 ET3 PK PK XL PRIMAVERA 50 transformation 125

Racing kit PINASCO 26360001 ZUERA VTR Thermal group PINASCO 26031803 145 cc ZUERA VTR BIG BORE with Crankshaft PINASCO 26081889 for VESPA 50 125 ET3 PK PK XL PRIMAVERA 50 transformation 125 Thermal group 145cc Zuera VTR Big Bore - Cast aluminum with galvanic coating NiCa Sil - Displacement 145cc -Bore 60mm -Stroke 51mm -Central spark plug head 8 studs -Exhaust 36mm, Center distance 62mmApplications: Vespa ETS 125,Vespa ET3 125,Vespa PK 125,Vespa PK XL 125,Vespa Primavera 125,Vespa Nuova 125,Ape 50 Transformation 125. Shaft C51 Competition Engine Cone 20 FULL MASSES Range of extremely high-performance crankshafts, dedicated to fast touring and competitions. The PINASCO COMPETIZIONE crankshafts join the classic production and differ in: higher intake level, new fluid dynamics of the intake cut, new racing unbalance obtained with tungsten inserts, innovative Teflon inlays to increase the internal pressure of the crankcases right from minimum speeds . The PINASCO COMPETIZIONE crankshaft significantly increases power and maximum torque from low revs, the number of engine rotation revolutions increases, improving overall performance. Applications: Vespa ET3 125, Vespa PK 125, Vespa PK XL 125, Vespa Primavera 125, Vespa 90, Vespa 90 SS, Vespa Nuova 125, Ape 50 Transformation 125.