Vespa Super, Sprint, VBB Sip 125cc Racing Alloy Kit

 SIP PERFORMANCE 125cc RACING CYLINDER KIT - VESPA PX 125/150, also 2 or 3 port 125/150 LARGE FRAME VESPA MOTORS. Want more power and want to stay legal? This 125cc performance cylinder kit from SIP can achieve up to 12 bhp when matched to the right parts, and can boost the 125cc motor to the power of a T5 with its 6 transfer ports, and a boosted exhaust port (main exhaust port and 2 boost ports) layout, it comes supplied with the piston, cylinder head, spacers (for 2 and 3 port motors) and gaskets. match it with a competition crank, 24mm carb and a Sip 3 exhaust for best performance, and with its 52.8mm bore its still a legal 124.8cc.