Universal Parts Qingqi B2, Piston $19.99 Quantity discounts available QuantityPrice SKU: 148-468 This item is IN STOCKCurrent Stock: 73 Quantity -+ Add to Cart Details Specs Outer Diameter (piston): 41mm Overall Height (piston): 47mm Compression Height (piston): 21.5mm Outer Diameter (wrist pin): 10mm Overall Length (wrist... Supported Models Qingqi QM50QT-B2 DetailsSpecsSupported Models Back Universal Parts 50cc 2-stroke, D1E41QMB Piston Back Outer Diameter (piston): 41mmOverall Height (piston): 47mmCompression Height (piston): 21.5mmOuter Diameter (wrist pin): 10mmOverall Length (wrist pin): 33mm Back Qingqi QM50QT-B2