Kit for 2500lb-3500lb square axle with Tie Plates - 1-3/4" wide spring Select Block Height:2-1/2" Lift/Lowering Fits 2" (5

Fits 2" (5

42 cm) diameter grade 8 u-bolts for a 3" (7

If you select the Anodizing Option

45 cm) wide leaf springs

Each kit includes 2 Trailer Blocks

Kit for 2500lb-3500lb square axle with Tie Plates - 1-3/4" wide spring Select Block Height:2-1/2" Lift/Lowering Fits 2" (5Our billet aluminum blocks are installed between the leaf spring and the trailer axle to raise or lower the ride height. These square axle kits include 9 16" (1. 42 cm) diameter grade 8 square u bolts for a 2" (5. 08 cm) diameter axle tube. Blocks are 6061 T6 Billet Aluminum. Fits 1 3 4" (4. 45 cm) wide leaf springs. For 2" (5. 08 cm) square axles. Each kit includes 2 Trailer Blocks, 2 Tie Plates & 4 U Bolts for 1 axle. Block Length: 4" (10. 16 cm)