Dayton Parts is a broad line manufacturer of leaf springs for pickups, vans, buses, cars, trailers, medium and HD Trucks. It descended from Stanley Springs which began operation in 1922 and has grown to be the largest and broadest line of aftermarket leaf springs serving the North American market. Complementing the springs they manufacture, Dayton also sources pins, bushings, hangers, shackles, helper kits and other suspension parts from the world's top manufacturers.

• Verified and tested springs meet or exceed the performance of OE.
• In house spring engineering and tooling capability allows innovation of designs.

• A = Short End Length
• B = Long End Length
• C = Free Arch
• D = Pack Thickness