SIP PERFORMANCE crankshaft for Vespa 150 GS.

High end racing crankshaft. These crankshafts have been produced to open the door for people with Vintage Vespas to the tuning world. These are the peak in performance crankshafts, second to none. The conrod has been polished to reduce turbulence in the crank casings. A needle roller bearing replaces the bronze bush, allowing for higher engine speeds and reduced oil requirements.

Specs:
Stroke: 57mm
Rod length: 105mm
Cone: both sides
Pin: 15mm

SIP 45142300