A position adjustment assembly for an agricultural product conveyor, which delivers a product to a storage system, such as an air cart, includes an inner arm having a first end rotatably coupled to the air cart and a second end. An outer arm has a first end and a second end. The second end of the inner arm is rotatably coupled to the outer arm proximate to the first end of the outer arm. An intermediate link has a lateral positioning assembly to vary the length of the intermediate link.