Kit 70cc POLINI big valves W aluminum Ø47mm complete MINARELLI MR4

Complete kit POLINI diameter 47mm, it comes with its intake pipe to install a carburetor SHA 16mm or 15mm (although we recommend the use of a minarelli am6 pipe for PHBG, with a PHBG 21mm flexible mounting), it is also delivered with its racing carbon valves. The 47mm large diameter cylinder with its big diagrams and specific intake offers maximum torque and power, especially in combination with the high compression yoke delivered in the pack! Mounts on the MINARELLI MR4 engines that equips motorcycles such as the MALAGUTI DUNE 50 or other MR engines, liquid cooling (also mounted on air bases by mounting a stiffener and a pump).