for BFA 306 Motor for Vespa 125 VNA-TS/150 VBA-Super/160 GS/180 SS/Rally/PX/PE/Lusso//T5 aluminium 5 ports 90mm stroke 64mm 2 piston ring(s) with cylinder head 8-times bolted outlet 3-parts modifications necessary TUNING RACE – for professionals For race use only. Not admitted in the area of the German StVZO! Product description 400cc racing cylinder from EGIG Performance for use on the 306 -BFA engine case . You can always go to extremes, at least when you ask EGIG Performance. The 306cc of the -BFA engine seemed to be the end of the line in terms of capacity. For a single-cylinder engine in a vintage scooter this is more than extreme. The Zero-G from EGIG-Performance, however, goes even further with its 407cc. 407cc 3-part exhaust Forged pistons Not only the capacity is extreme, but also the layout of the transfer ports and the exhaust are not only modern, but also designed for a powerful power delivery. Installation Of course, even on the 306 -BFA eng