Blocks for 3000lb-7000lb axle - 1-3/4" wide spring Select Block Height:2" Lift/Lowering The billet aluminum blocks are

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

Our heavy-duty A36 structural steel tie plates will not bend when torqued

U-Bolts are 9/16" diameter grade 8

Fits 1-3/4" (4

These rectangular axle kits include 9/16" (1

Blocks for 3000lb-7000lb axle - 1-3/4" wide spring Select Block Height:2" Lift/Lowering The billet aluminum blocks areThe billet aluminum blocks are installed between the leaf spring and the trailer axle to raise or lower the ride height. Each order includes 2 Trailer Blocks. 6061 T6 Billet Aluminum Fits 1 3 4" (4. 45 cm) wide leaf springs Block Length: 4" (10. 16 cm) Width: 1 3 4" (4. 45 cm) Height: Varies by selection (Your desired ride height adjustment) Center Pin Head Diameter: 0. 656" (16. 66mm) Height: 0. 438" (11. 12mm) Installation Instructions Anodizing