The forging, the mechanical processing, the numerous heat treatments and the centering carried out on each individual piece guarantee a very high standard of quality and reliability. The connecting rod, also obtained by forging, was designed to guarantee maximum reliability even in the most demanding conditions of use. Numerous notches and lubrication holes made on the foot and head of the connecting rod allow greater lubrication of the roller cages, the silver-plated head ones, reducing friction and wear to a minimum. The Pinasco crankshafts for Vespa are the result of numerous tests on the dyno and on the road, the innovative design of the wedge-shaped intake shoulder, the choice of materials, the attention to detail and assembly make this Pinasco product an object of superior quality.