Universal Parts Adjustment Screw and Nut Set $3.49 Quantity discounts available QuantityPrice SKU: 151-102 This item is IN STOCKCurrent Stock: 9 Quantity -+ Add to Cart Details Specs Set of 2 Overall Length (screw): 20mm Thread Size: M5x0.50 Supported Models Baja SC50, Kymco, Panterra, Qingqi, QMB139 50cc/49cc , Roketa, SUNL, Tank, Various unlisted makes/models DetailsSpecsSupported Models Back Universal Parts Camshaft Adjustment Screw and Nut Set for 50cc 4-stroke QMB139 engines. Back Set of 2Overall Length (screw): 20mmThread Size: M5x0.50 Back Baja SC50, Kymco, Panterra, Qingqi, QMB139 50cc/49cc , Roketa, SUNL, Tank, Various unlisted makes/models