Universal Parts Piston Ring Set(0)No Reviews yet $10.99 Quantity discounts available QuantityPrice SKU: 151-18 Restock: Early January This item is IN STOCKCurrent Stock: 9 Quantity -+ Add to Cart Details Specs Uncompressed Diameter: 41mm Compressed Diameter: 38mm Thickness: .80mm Supported Models QMB139 50cc/49cc , Various unlisted makes/models DetailsSpecsSupported Models Back Universal Parts Piston Ring Set for 50cc 4-stroke QMB139 engines. Back Uncompressed Diameter: 41mmCompressed Diameter: 38mmThickness: .80mm Back QMB139 50cc/49cc , Various unlisted makes/models Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review