Suspension bolt attaches 2" wide slipper style leaf springs to the hangers and equalizers. Secure your trailer's leaf spring suspension system with the 9/16"-18 x 3-1/2" Long Suspension Shackle Bolt & Locknut (Part #166079). Designed for durability and reliability. Its fluted shoulder design prevents rotation ensuring a stable and secure fit. • 9/16" diameter, 18 threads per inch • 3-1/2" long ( Shoulder length, not including hex head )

• Fluted shoulder to prevent bolt rotation • Used with 2" wide slipper springs • 9/16" locknuts included