Kit for 2500lb-3500lb square axle with Tie Plates - 1-3/4" wide spring Select Block Height:2-1/2" Lift/Lowering 42 cm) diameter grade 8

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

08 cm) diameter axle tube

If you select the Anodizing Option

45 cm) wide leaf springs

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

Kit for 2500lb-3500lb square axle with Tie Plates - 1-3/4" wide spring Select Block Height:2-1/2" Lift/Lowering 42 cm) diameter grade 8Our 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)