Kit for 4000lb-7000lb axle with Tie Plates - 1-3/4" wide spring Select Block Height:3" Lift/Lowering This surface technology is designed

This surface technology is designed to help prevent galvanic corrosion between two dissimilar metals

Anodizing Option:

These rectangular axle kits include 9/16" (1

The billet aluminum blocks are installed between the leaf spring and the trailer axle to raise or lower the ride height

Kit for 4000lb-7000lb axle with Tie Plates - 1-3/4" wide spring Select Block Height:3" Lift/Lowering This surface technology is designedOur 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, 2 Tie Plates & 4 U Bolts for 1 axle. Block Length: 4" (10. 16 cm) Width: 1 3 4" (4. 45 cm)