Overview Product Description Proslot .550 Big Block Group 20 Drag Motor With Ball Bearings PS-101BB Product Videos Custom Field Product Reviews Write a Review Write a Review × Proslot .550 Big Block Group 20 Drag Motor w/BB's PS-101BB Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *