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)

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Product Review

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)

  • 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