Universal Parts Rear Crankcase Bushing $2.99 Quantity discounts available QuantityPrice SKU: 151-128 Restock: Limited Supply This item is IN STOCKCurrent Stock: 2 Quantity -+ Add to Cart Details Specs Inner Diameter: 8mm Outer Diameter: 20mm Length: 19mm Supported Models QMB139 50cc/49cc , Various unlisted makes/models DetailsSpecsSupported Models Back Universal Parts Rear Crankcase Bushing for 50cc 4-stroke QMB139 engines. Back Inner Diameter: 8mmOuter Diameter: 20mmLength: 19mm Back QMB139 50cc/49cc , Various unlisted makes/models