The VOLVO FM, FH SERIES (2+1 Leaf) Vehicle Spring is a parabolic spring designed for the rear of the vehicle. With its 2+1 leaf configuration, this spring provides excellent suspension support and improved ride quality, making it perfect for heavy-duty applications. Made from high-quality materials, this spring is durable and reliable, ensuring long-lasting performance. If you're looking for a top-quality suspension solution for your VOLVO FM or FH SERIES vehicle, this 2+1 leaf spring is the perfect choice.