These 1947-55 1st Series Chevy Truck and GMC Truck Rear Mono Leaf Springs are a great way to lower the rear of your truck and maintain that retro look. New design offers a progressive spring rate that is ideal for high horsepower vehicles. Our springs maintain the factory GVW and include new bushings and u-bolts. Available in 4" and 6" drops. Please specify drop when ordering. Kit includes: • Rear Mono Leaf Springs • New Front & Rear Eye Bushings • U-Bolts • All hardware • Limited Lifetime Warranty Sold in pairs.