Kit for 4000lb-7000lb axle - 1-3/4" wide spring Select Block Height:1" Lift/Lowering This option includes Type II

This option includes Type II Anodizing and is ideal for trailers that see use in salt water or harsh northern winter conditions

Height: Varies by selection (Your desired ride height adjustment)

If you select the Anodizing Option

Diameter: 0

Blocks are 6061-T6 Billet Aluminum

Kit for 4000lb-7000lb axle - 1-3/4" wide spring Select Block Height:1" Lift/Lowering This option includes Type IIOur 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