VMC Artigianale TORK - B exhaust for Vespa Primavera, Special complete with silencer

Description

Moulded exhaust for Vespa small frame Special and PK, the Tork has been designed to be combined with longer primary ratios, precisely to exploit the torque delivered by the engine from the lowest revs with a very pleasant sound. NOT COMPATIBLE WITH ET3 AND PRIMAVERA FRAMES WITH SIDE DRAWER. ALSO COMPATIBLE WITH APE 50 BY MODIFYING THE FRAME MOUNTING BRACKET. On PK frames, part of the internal bulkhead supporting the spare wheel must be cut. Excellent for both short-stroke and long-stroke thermal units such as: Vmc T56, Vmc 100cc RVA, ProCup 3, M1, VMC GS56 and 58, 100 and 130 Polini, Malossi 135cc, Pinasco Zuera etc. The exhaust manifold has a flange with slotted holes and fits centre distances of 52, 56 and 62 mm. The diameter of the manifold inlet to the cylinder is 32 mm, calculated for phases of approximately 122/175, but it fits a much wider range.