Speedway Motors Universal 4” Leaf Spring Lowering Block Kit, Fits Rear Axle on Top of Leaf Springs, Includes Extruded Aluminum Blocks, Zinc-Plated U-Bolts and Installation Hardware
- Complete Lowering Solution – Includes everything needed to achieve a 4-inch rear suspension drop on vehicles with the axle mounted above the leaf springs
- Durable Aluminum Blocks – Extruded aluminum blocks measure 2-1/2 inches wide by 5 inches long for reliable strength and fitment
- Premium U-Bolt Set – U-bolts sized for 3-inch axle housings and measure 10 inches long to accommodate a wide range of applications
- Protective Finish Hardware – U-bolts feature a zinc-plated finish to help guard against wear and maintain a clean appearance over time
- Universal Fitment for Custom Builds – Excellent for hot rods, classic cars, and custom projects where a lower stance and improved profile are desired
Kit includes 2 extruded aluminum lowering blocks complete with four 1/2" U-bolts and hardware. Blocks are 2-1/2" wide x 5" long. U-bolts fit 3" diameter axle housings and are 10" long. 910-43811 Instructions (PDF)