Kit for 4000lb-7000lb axle - 1-3/4" wide spring Select Block Height:1" Lift/Lowering These 3500lb axle kits include

These 3500lb axle kits include 1/2" (1

Width: 1-3/4" (4

Each kit includes 2 Trailer Blocks & 4 U-Bolts for 1 axle

08 cm) square axles

Kit for 4000lb-7000lb axle - 1-3/4" wide spring Select Block Height:1" Lift/Lowering These 3500lb axle kits includeOur billet aluminum blocks are installed between the leaf spring and the trailer axle to raise or lower the ride height. These 4000lb 7000lb heavy axle kits include 9 16" (1. 42 cm) diameter grade 8 u bolts for a 3" (7. 62 cm) diameter axle tube. Blocks are 6061 T6 Billet Aluminum. Fits 1 3 4" (4. 45 cm) wide leaf springs. Each kit includes 2 Trailer Blocks & 4 U Bolts for 1 axle. Block Length: 4" (10. 16 cm) Width: 1 3 4" (4. 45 cm) Height: Varies by