Universal Parts Intake Manifold O-ring $0.99 Quantity discounts available QuantityPrice SKU: 151-8 This item is IN STOCKCurrent Stock: 15 Quantity -+ Add to Cart Details Specs Inner Diameter: 21mm Outer Diameter: 25mm Thickness: 1.75mm Supported Models QMB139 50cc/49cc , Various unlisted makes/models DetailsSpecsSupported Models Back Universal Parts Intake manifold O-ring Gasket for 50cc, 4-stroke QMB139 engines. Back Inner Diameter: 21mmOuter Diameter: 25mmThickness: 1.75mm Back QMB139 50cc/49cc , Various unlisted makes/models