Overview Reviews Product Description VT1-550/560 supercharger kit crankshaft. 6PK/145mm. Replaces entire stock crank pulley. Product Videos Custom Field Product Reviews Write a Review Write a Review × S62 6PK 145mm supercharger crank pulley Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *